确认材料的耐药性 >> 耐药性检索
产品特征：Polyethylene glycol 300蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Polymers > Polyethylene glycol 300
Polyethylene glycol 300
Applications
- Crystallization grade Polyethylene glycol 300 for formulating screens or for optimization
Description
Polyethylene glycol 300
Synonyms: PEG 300
H(OCH2CH2)nOH
Mr 285-315
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
RTECS TQ3500000
MDL Number MFCD00081839
PubChem Substance ID 24889419
Density 1.125 g/mL at 20°C
Measured Conductivity Range: 3.0 – 9.0 µS/cm at 25°C
Measured Refractive Index Range: 1.46450 – 1.46549 at 20°C
Peroxides (H2O2) ≤0.001%
Al ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl ≤0.005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.02%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.02%
Ni ≤0.0005%
Pb ≤0.0005%
SO4 ≤0.005%
Sr ≤0.0005%
Zn ≤0.0005%
Click to Zoom In
CAT NO
HR2-517
NAME
DESCRIPTION
200 mL
PRICE
$62.00
cart quote
Support Material(s)
HR2-517 Polyethylene glycol 300 SDS Certificate Of Analysis
Related Item(S)
- PEGRx 1 • PEGRx 2 • PEGRx HT
References
1. Crystallization and preliminary X-ray crystallographic studies of human 2′,3′-cyclic nucleotide 3′-phosphodiesterase. Y. Sakamoto, N. Tanaka, T. Ichimiya, T. Kurihara and K. T. Nakamura. Acta Cryst. (2004). D60, 2095-2097.
2. Crystallization and preliminary X-ray crystallographic analysis of the Escherichia coli outer membrane cobalamin transporter BtuB in complex with the carboxy-terminal domain of TonB. David D. Shultis, Michael D. Purdy, Christian N. Banchs, and Michael C. Wiener. Acta Crystallogr Sect F Struct Biol Cryst Commun. 2006 July 1; 62(Pt 7): 638–641.
3. Low molecular weight poly(ethylene glycol) as an environmentally benign solvent for pharmaceutical crystallization and precipitation. Xing Wang, Ponder Celia Steward, Kirwan Donald J. Crystal Growth & Design, 2005, vol. 5, no1, pp. 85-92.
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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内层氟树脂柔软双层管（称呼：AP1-0880、外径×内径（φmm）：8×6）日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索
产品特征：内层氟树脂柔软双层管（称呼：AP1-0640、外径×内径（φmm）：6×4）日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索
产品特征：TRIS hydrochloride Buffer蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Buffers > TRIS hydrochloride Buffer
TRIS hydrochloride Buffer
Applications
- Crystallization grade TRIS hydrochloride buffer for formulating screens or for optimization
Features
- Sterile filtered
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
TRIS hydrochloride
Synonyms: TRIS HCl or Trizma hydrochloride or Tris(hydroxymethyl)aminomethane hydrochloride
NH2C(CH2OH)3 • HCl
C4H11NO3 • HCl
Mr 157.60
[1185-53-1]
EC Number 214-684-5
Beilstein Registry Number 3675235
MDL Number MFCD00012590
PubChem Substance ID 24900398
Purity ≥ 99.0%
Titrate HR2-579 to the desired pH using NaOH
HR2-579 Measured pH Range: 3.9 – 4.0 at 25°C
HR2-579 Measured Conductivity Range: 52.3 – 53.7 mS/cm at 25°C
HR2-579 Measured Refractive Index Range: 1.35840 – 1.35891 at 20°C
HR2-727 has been titrated to pH 8.5 using NaOH
HR2-727 Measured Conductivity Range: 59.8 – 61.7 mS at 25°C
HR2-727 Measured Refractive Index Range: 1.35938 – 1.36019 at 20°C
Use StockOptions Tris Hydrochloride kit (HR2-237) for a set of 21 Tris hydrochloride reagents titrated to pH 7.0 to 9.0 in 0.1 pH increments.
Al ≤0.0005%
As ≤0.0001%
Ba ≤0.0005%
Bi ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.005%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.005%
Ni ≤0.0005%
Pb ≤0.0005%
SO4 ≤0.005%
Sr ≤0.0005%
Zn ≤0.0005%
Click to Zoom In
CAT NO
HR2-579
NAME
DESCRIPTION
100 mL
PRICE
$63.00
cart quote
CAT NO
HR2-727
NAME
DESCRIPTION
100 mL
PRICE
$63.00
cart quote
Support Material(s)
HR2-579 TRIS hydrochloride SDS
HR2-727 TRIS hydrochloride pH 8.5 SDS
Titration Table Certificate Of Analysis
Related Item(S)
- Sodium hydroxide
- StockOptions Tris Hydrochloride Buffer Kit
- Individual StockOptions Tris Hydrochloride Reagents
References
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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内层氟树脂柔软双层管（称呼：AP1-0425、外径×内径（φmm）：4×2.5）日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索
产品特征：FA管（称呼：FA-10、内径（mm）：8、外径（mm）：10）日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索
产品特征：FA管（称呼：FA-08、内径（mm）：6、外径（mm）：8）日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索
产品特征：Polyethylene glycol 400蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Polymers > Polyethylene glycol 400
Polyethylene glycol 400
Applications
- Crystallization grade Polyethylene glycol 400 for formulating screens or for optimization
Description
Polyethylene glycol 400
Synonyms: PEG 400
H(OCH2CH2)nOH
Mr 380-420
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
RTECS TQ3675000
MDL Number MFCD00081839
PubChem Substance ID 24897878
Viscosity (Rotation) 105 – 152 mPas
Density 1.126 g/mL at 20°C
Measured Conductivity Range: 2.3 – 3.4 µS/cm at 25°C
Measured Refractive Index Range: 1.46629 – 1.46762 at 20°C
Aldehydes None detected
Peroxides (as H2O2) ≤0.001%
Al ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl ≤0.005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.2%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.2%
Ni ≤0.0005%
Pb ≤0.0005%
SO4 ≤0.005%
Sr ≤0.0005%
Zn ≤0.0005%
Click to Zoom In
CAT NO
HR2-603
NAME
DESCRIPTION
200 mL
PRICE
$74.00
cart quote
Support Material(s)
HR2-603 Polyethylene glycol 400 SDS Certificate Of Analysis
References
1. Crystallographic study of the large tryptic fragments of elongation factor G from Escherichia coli. Reshetnikova, LS; Garber, MB; Fomenkova, NP; Nikonov, SV; Chirgadze, YN. J Mol Biol 160, 127- 132, 1982.
2. Rapid crystallization of chemically synthesized hammerhead RNAs using a double screening procedure. Scott, WG; Finch, JT; Grenfell, R; Fogg, J; Smith, T; Gait, MJ; Klug, A. J Mol Biol 250, 327- 332, 1995.
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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FA管（称呼：FA-06、内径（mm）：4、外径（mm）：6）日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索
产品特征：柔软氟化管（称呼：E-PD-8、内径（mm）：8、外径（mm）：12）日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索
产品特征：Hydrochloric acid蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Buffers > Hydrochloric acid
Hydrochloric acid
Applications
- Crystallization grade Hydrochloric acid for formulating screens or for optimization
Features
- Sterile filtered
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
Hydrochloric acid
Synonyms: None
HCl
Mr 36.46
CAS Number [7647-01-0]
EC Number 231-595-7
Beilstein Registry Number 1098214
Merck 14,4794
RTECS MW4025000
MDL Number MFCD00011324
PubChem Substance ID 329754537
UN Number (RIDADR) UN 1789 8/PG 2
Measured Conductivity Range: 320.4 – 378.2 mS/cm at 25°C
The 1.0 M Hydrochloric acid is formulated using pyrogen free (<0.03 Endotoxin (EU/ml)) water. The final 1.0 M Hydrochloric acid is not certified pyrogen free.
Ag ≤0.000001%
Al ≤0.000005%
As ≤0.0000005%
Ba ≤0.000002%
Bi ≤0.00001%
Br ≤0.005%
Ca ≤0.00005%
Cd ≤0.000001%
Co ≤0.000001%
Cr ≤0.000002%
Cu ≤0.000002%
Fe ≤0.00002%
Hg ≤0.00001%
K ≤0.00001%
Li ≤0.000001%
Mg ≤0.00001%
Mn ≤0.000001%
Mo ≤0.000002%
Na ≤0.00005%
NH4+ ≤0.0001%
Ni ≤0.000002%
PO4 ≤0.0005%
Pb ≤0.000002%
SO4 ≤0.0001%
SO3 ≤0.0001%
Sr ≤0.000001%
TI ≤0.000005%
Zn ≤0.000005%
Click to Zoom In
CAT NO
HR2-581
NAME
DESCRIPTION
100 mL
PRICE
$38.00
cart quote
Support Material(s)
HR2-581 Hydrochloric acid SDS Certificate Of Analysis
Related Item(S)
- BIS-TRIS Buffer
- HEPES sodium Buffer
- Imidazole Buffer
- Sodium acetate trihydrate Buffer
- Sodium cacodylate trihydrate Buffer
- Sodium citrate tribasic dihydrate Buffer
- Tris Buffer
References
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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柔软氟化管（称呼：E-PD-6、内径（mm）：6、外径（mm）：9）日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索
产品特征：柔软氟化管（称呼：E-PD-4、内径（mm）：4、外径（mm）：6）日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索
产品特征：Polyethylene glycol 600蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Polymers > Polyethylene glycol 600
Polyethylene glycol 600
Applications
- Crystallization grade Polyethylene glycol 600 for formulating screens or for optimization
Features
- HR2-859 100% Polyethylene glycol is a waxy solid at room temperature
- HR2-860 80% w/v Polyethylene glycol is a solution at room temperature
- HR2-860 is sterile filtered and formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
Polyethylene glycol 600
Synonyms: PEG 600
H(OCH2CH2)nOH
Mr 570-630
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
RTECS TQ3500000
MDL Number MFCD00081839
PubChem Substance ID 24888888
Vapor density >1 (vs air)
Vapor pressure <0.01 mmHg (20°C)
Autoignition temperature 581°F
Refractive index (lit.) n20/D 1.468-1.470
Melting point 17-22°C
HR2-859 100% Polyethylene glycol is a waxy solid at room temperature
HR2-860 80% w/v Polyethylene glycol is a solution at room temperature
Solubility in water: soluble to 80% v/v at 25°C, clear, colorless
Density (100%) 1.13 g/mL at 20°C
HR2-859 Measured Refractive Index Range: 1.46874 – 1.46951 at 20°C
HR2-859 Measured Conductivity Range: 2.9 – 3.6 µS/cm at 25°C
HR2-860 Measured Refractive Index Range: 1.43676 – 1.46951 at 20°C
HR2-860 Measured Conductivity Range: 21.3 – 24.6 µS/cm at 25°C
Total impurities as insoluble matter: passes filter test
Peroxides (as H2O2) ≤0.001%
Al ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl ≤0.005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.02%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.02%
Ni ≤0.0005%
Pb ≤0.0005%
SO4 ≤0.005%
Sr ≤0.0005%
Zn ≤0.0005%
Click to Zoom In
CAT NO
HR2-859
NAME
DESCRIPTION
100 mL
PRICE
$48.00
cart quote
CAT NO
HR2-860
NAME
DESCRIPTION
100 mL
PRICE
$40.00
cart quote
Support Material(s)
HR2-859 Polyethylene glycol 600 100% solution SDS
HR2-860 Polyethylene glycol 600 80% w/v solution SDS Certificate Of Analysis
References
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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柔软氟化管（称呼：E-PD-2、内径（mm）：2、外径（mm）：4）日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索
产品特征：Sodium hydroxide蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Buffers > Sodium hydroxide
Sodium hydroxide
Applications
- Crystallization grade Sodium hydroxide for formulating screens or for optimization
Features
- Sterile filtered
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
Sodium hydroxide
Synonym: Caustic soda
NaOH
HNaO
Mr 40.00
CAS [1310-73-2]
EC Number 215-185-5
Merck 14,8627
MDL Number MFCD00003548
PubChem Substance ID 24899773
UN Number UN 1823 8/PG 2
RTECS WB4900000
Purity ≥ 98.0%
Al ≤0.0005%
Ca ≤0.0005%
Cl ≤0.005%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.02%
Mg ≤0.0005%
P ≤0.0005%
Pb ≤0.001%
SO4 ≤0.05%
Zn ≤0.0005%
Click to Zoom In
CAT NO
HR2-583
NAME
DESCRIPTION
100 mL
PRICE
$38.00
cart quote
Support Material(s)
HR2-583 Sodium hydroxide SDS Certificate Of Analysis
Related Item(S)
- ADA Buffer
- BICINE Buffer
- HEPES Buffer
- MES monohydrate Buffer
- TRIS hydrochloride Buffer
References
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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Polyethylene glycol 1,000蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Polymers > Polyethylene glycol 1,000
Polyethylene glycol 1,000
Applications
- Crystallization grade Polyethylene glycol 1,000 for formulating screens or for optimization
Features
- Sterile filtered solution
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
Polyethylene glycol 1,000
Synonyms: PEG 1,000
H(OCH2CH2)nOH
Mr 950-1050
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
RTECS TQ4025000
MDL Number MFCD00081839
PubChem Substance ID 24887679
Measured Conductivity Range: 23.1 – 37.5 µS/cm at 25°C
Measured Refractive Index Range: 1.40065 – 1.40121 at 20°C
DNases none detected
RNases none detected Proteases none detected
Phosphatases none detected
Peroxides (as H2O2) ≤0.001%
Aldehydes none detected
Al ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl ≤0.005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.02%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.02%
Ni ≤0.0005%
Pb ≤0.0005%
SO4 ≤0.005%
Sr ≤0.0005%
Zn ≤0.0005%
Click to Zoom In
CAT NO
HR2-523
NAME
DESCRIPTION
200 mL
PRICE
$124.00
cart quote
Support Material(s)
HR2-523 Polyethylene glycol 1,000 SDS Certificate Of Analysis
References
1. Refinement of a Partially oxygenated T state human haemoglobin at 1.5 A resolution. Waller, DA; Liddington, RC. Acta Crystallogr B 46, 409- 418, 1990.
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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Ethylene glycol蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Organics (Non-Volatile) > Ethylene glycol
Ethylene glycol
Applications
- Crystallization grade Ethylene glycol for formulating screens or for optimization
Features
- Ethylene glycol is useful for crystallization as well as cryoprotection
Description
Ethylene glycol
Synonyms: 1,2-Ethanediol
C2H6O2
HOCH2CH2OH
Mr 62.07
CAS Number [107-21-1]
EC Number 203-473-3
Beilstein Registry Number 505945
RTECS KW2975000
MDL Number MFCD00002885
Purity ≥ 99%
UN Number 3082 9/PG 3
Density 1.113 g/mL at 25°C (lit.)
Measured pH range of 100% Ethylene glycol: 5.1 – 7.8 at 25°C
Measured Conductivity Range: 0.0 – 9.7 µS/cm at 25°C
Measured Refractive Index Range: 1.42866 – 1.43219 at 20°C
Click to Zoom In
CAT NO
HR2-621
NAME
DESCRIPTION
100 mL
PRICE
$46.00
cart quote
Support Material(s)
HR2-621 Ethylene glycol SDS Certificate Of Analysis
References
1. The Crystallographic Structure of the Protease from Human Immunodeficiency Virus Type 2 with Two Snythetic Peptidic Transition State Analog Inhibitors. Mulichak, AM; Hui, JO; Tomasselli, AG; Heinrikson, RL; Curry, KA; Tomich, CS; Thaisrivongs, S; Sawyer, TK; Watenpaugh, KD. J Biol Chem 168, 13103-13109, 1993.
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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Polyethylene glycol 1,500蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Polymers > Polyethylene glycol 1,500
Polyethylene glycol 1,500
Applications
- Crystallization grade Polyethylene glycol 1,500 for formulating screens or for optimization
Features
- Sterile filtered solution
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
Polyethylene glycol 1,500
Synonyms: PEG 1,500
H(OCH2CH2)nOH
Mr 1,400-1,600
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
RTECS TQ4030000
MDL Number MFCD00081839
PubChem Substance ID 24887690
Aldehyde None detected
Peroxide None detected
Measured Conductivity range: 38.7 – 48.5 µS/cm at 25°C
Measured Refractive Index range: 1.40094 – 1.40149 at 20°C
Click to Zoom In
CAT NO
HR2-525
NAME
DESCRIPTION
200 mL
PRICE
$82.00
cart quote
Support Material(s)
HR2-525 Polyethylene glycol 1,500 SDS Certificate Of Analysis
References
1. Crystallization of the C-terminal domain of rabbit serum hemopexin. Baker, HM; Norris, GE; Morgan, WT; Smith, A; Baker, EN. J Mol Biol 229, 251- 252, 1993.
2. Crystallization and preliminary X-ray crystallographic study of ribosome-inactivating protein form barley seeds. Song, HK; Hwang, KY; Kim, KK; Suh, SW. Acta Crystallogr D 50, 910- 912, 1994.
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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Glycerol蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Organics (Non-Volatile) > Glycerol
Glycerol
Applications
- Crystallization grade Glycerol for formulating screens, optimization and cryoprotection
Features
- Gradually increasing the Glycerol concentration to 5 to 35% in the original crystallization reagent is often times an effective cryoprotectant.
Description
Glycerol
Synonyms: 1,2,3-Propanetriol or Glycerin
HOCH2CH(OH)CH2OH
C3H8O3
Mr 92.09
CAS Number [56-81-5]
EC Number 200-289-5
Beilstein Registry Number 635685
RTECS MA8050000
MDL Number MFCD00004722
PubChem Substance ID 24895252
Purity ≥ 99.0% (GC)
pKa 14.2
Measured pH range of 100% Glycerol: 5.0 – 7.7 at 25°C
Measured Conductivity Range: 0.0 – 0.2 µS/cm at 25°C
Measured Refractive Index Range: 1.47124 – 1.47450 at 20°C
Al ≤0.0005%
Ca ≤0.0005%
Cd ≤0.0001%
Cl ≤0.001%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.005%
Mg ≤0.0005%
NH3 ≤0.05%
NH4+ ≤0.05%
Na ≤0.005%
P ≤0.0005%
Pb ≤0.001%
SO4 ≤0.002%
Zn ≤0.0005%
Click to Zoom In
CAT NO
HR2-623
NAME
DESCRIPTION
100 mL
PRICE
$84.00
cart quote
Support Material(s)
HR2-623 Glycerol SDS Certificate Of Analysis
References
1. Crystallization and Preliminary X-ray Analysis of the Auto-inhibited Twitchin Kinase. Hu, S-H; Lei, JY; Wilce, MCJ; Valenzuela, MRL; Benian, GM; Parker, MW; Kemp, BE. J Mol Biol 236, 1259- 1261, 1994.
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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Polyethylene glycol 2,000蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Polymers > Polyethylene glycol 2,000
Polyethylene glycol 2,000
Applications
- Crystallization grade Polyethylene glycol 2,000 for formulating screens or for optimization
Features
- Sterile filtered solution
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
Polyethylene glycol 2,000
Synonyms: PEG 2,000
H(OCH2CH2)nOH
Mr 1,900-2,200
CAS Number [25322-68-3]
EC Number 500-038-2
RTECS TQ3500000
MDL Number MFCD00081839
PubChem Substance ID 24888269
Measured Conductivity Range: 30.2 – 30.8 µS/cm at 25°C
Measured Refractive Index Range: 1.40153 – 1.40158 at 20°C
Peroxides (as H2O2) ≤0.001%
Al ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl ≤0.005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.02%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.02%
Ni ≤0.0005%
Pb ≤0.0005%
SO4 ≤0.005%
Sr ≤0.0005%
Zn ≤0.0005%
Click to Zoom In
CAT NO
HR2-592
NAME
DESCRIPTION
200 mL
PRICE
$100.00
cart quote
Support Material(s)
HR2-592 Polyethylene glycol 2,000 SDS Certificate Of Analysis
References
1. Unusual Base-Pairing Interactions in Monomer-Template Complexes. Zhang, W., Tam, C.P., Wang, J., Szostak, J.W. (2016) ACS Cent Sci 2: 916-926 PubMed: 28058281 DOI: 10.1021/acscentsci.6b00278
2. Structures of human O-GlcNAcase and its complexes reveal a new substrate recognition mode. Li, B., Li, H., Lu, L., Jiang, J. (2017) Nat Struct Mol Biol 24: 362-369 PubMed: 28319083 DOI: 10.1038/nsmb.3390
3. Mechanisms of RALF peptide perception by a heterotypic receptor complex. Xiao, Y., Stegmann, M., Han, Z., DeFalco, T.A., Parys, K., Xu, L., Belkhadir, Y., Zipfel, C., Chai, J. (2019) Nature 572: 270-274 PubMed: 31291642 DOI: 10.1038/s41586-019-1409-7
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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1,6-Hexanediol蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Organics (Non-Volatile) > 1,6-Hexanediol
1,6-Hexanediol
Applications
- Crystallization grade 1,6-Hexanediol for formulating screens or for optimization
Features
- Sterile filtered solution
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
1,6-Hexanediol
Synonyms: Hexamethylene glycol
HO(CH2)6OH
C6H14O2
Mr 118.18
CAS Number [629-11-8]
EC Number 211-074-0
Beilstein Registry Number 1633461
Merck 14,4690
RTECS MO2100000
MDL Number MFCD00002985
PubChem Substance ID 24895435
Purity 97.0%
Melting point 38.0-42.0°C (literature)
Measured pH Range: 5.2 – 7.7 at 25°C
Measured Conductivity Range: 0.2 – 1.0 µS/cm at 25°C
Measured Refractive Index Range: 1.42340 – 1.42372 at 20°C
Click to Zoom In
CAT NO
HR2-625
NAME
DESCRIPTION
200 mL
PRICE
$72.00
cart quote
Support Material(s)
HR2-625 1,6-Hexanediol SDS Certificate Of Analysis
References
1. Structure of nucleosome core particles of chromatin. Finch, JT; Lutter, LC; Rhodes, D; Brown, RS; Rushton, B; Levitt, M; Klug, A. Nature 269, 29- 36, 1977.
2. Crystallization and preliminary X-ray analysis of bacteriophage T4 UvsY recombination mediator protein. H. Xu, H. T. H. Beernink, M. A. Rould and S. W. Morrical. Acta Cryst. (2006). F62, 1013-1015.
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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Polyethylene glycol 3,000蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Polymers > Polyethylene glycol 3,000
Polyethylene glycol 3,000
Applications
- Crystallization grade Polyethylene glycol 3,000 for formulating screens or for optimization
Features
- Sterile filtered solution
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
Polyethylene glycol 3,000
Synonyms: PEG 3,000
H(OCH2CH2)nOH
Mr 2,700-3,300
CAS Number [25322-68-3]
EC Number 500-038-2
RTECS TQ3500000
MDL Number MFCD00081839
PubChem Substance ID 24887699
Measured Conductivity Range: 44.8 – 45.4 µS/cm at 25°C
Measured Refractive Index Range: 1.40163 – 1.40178 at 20°C
Peroxides (as H2O2) ≤0.001%
Al ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl ≤0.005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.02%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.02%
Ni ≤0.0005%
Pb ≤0.0005%
SO4 ≤0.005%
Sr ≤0.0005%
Zn ≤0.0005%
Click to Zoom In
CAT NO
HR2-604
NAME
DESCRIPTION
200 mL
PRICE
$100.00
cart quote
Support Material(s)
HR2-604 Polyethylene glycol 3,000 SDS Certificate Of Analysis
References
1. Discovery of novel bacterial queuine salvage enzymes and pathways in human pathogens. Yuan, Y., Zallot, R., Grove, T.L., Payan, D.J., Martin-Verstraete, I., Sepic, S., Balamkundu, S., Neelakandan, R., Gadi, V.K., Liu, C.F., Swairjo, M.A., Dedon, P.C., Almo, S.C., Gerlt, J.A., de Crecy-Lagard, V. (2019) Proc Natl Acad Sci U S A 116: 19126-19135 PubMed: 31481610 DOI: 10.1073/pnas.1909604116
2. Crystal structure of the N-terminal domain of TagH reveals a potential drug targeting site. Yang, C.S., Huang, W.C., Ko, T.P., Wang, Y.C., Wang, A.H., Chen, Y. (2020) Biochem Biophys Res Commun 536: 1-6 PubMed: 33360015 DOI: 10.1016/j.bbrc.2020.12.028
3. Intracellular Neutralization of Ricin Toxin by Single-domain Antibodies Targeting the Active Site. Rudolph, M.J., Czajka, T.F., Davis, S.A., Thi Nguyen, C.M., Li, X.P., Tumer, N.E., Vance, D.J., Mantis, N.J. (2020) J Mol Biol 432: 1109-1125 PubMed: 31931008 DOI: 10.1016/j.jmb.2020.01.006
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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Polyethylene glycol 3,350 Monodisperse蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Polymers > Polyethylene glycol 3,350 Monodisperse
Polyethylene glycol 3,350 Monodisperse
Applications
- Crystallization Polyethylene glycol 3,350 for formulating screens or for optimization
Features
- Sterile filtered solution
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
United States Pharmacopeia (USP)/National Formulary (NF), Pharmacopoea Europaea (Ph. Eur.), and Food Chemicals Codex (FCC) grade PEG 3350. For research use only. Not for diagnostic use.
Polyethylene glycol 3,350
Synonyms: PEG 3,350
H(OCH2CH2)nOH
Average Mr 3015-3685
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
MDL Number MFCD00081839
PubChem Substance ID 24898432
Polydispersity Index 1.05-1.10 (Polydispersity is a measure of the molecular weight distribution of a polymer. It is equal to Mw/Mn. That is to say, “weight-average molecular weight” divided by “number average molecular weight”.)
Aldehyde: None detected
Peroxide: None detected
HR2-527 Measured Conductivity Range: 44.0 – 55.1 µS/cm at 25°C
HR2-527 Measured Refractive Index Range: 1.40137 – 1.40213 at 20°C
Click to Zoom In
CAT NO
HR2-591
NAME
DESCRIPTION
500 grams
PRICE
$162.00
cart quote
CAT NO
HR2-527
NAME
DESCRIPTION
200 mL
PRICE
$109.00
cart quote
Support Material(s)
HR2-591 Polyethylene glycol 3,350 Monodisperse (Powder) SDS
HR2-527 Polyethylene glycol 3,350 Monodisperse SDS Certificate Of Analysis
References
1. Crystal structure of a Soluble form of the human T Cell coreceptor CD8 at 2.6 A resolution. Leahy, DJ; Axel, R; Hendrickson, WA. Cell 68, 1145- 1162, 1992.
2. McPherson, A. 1976, Crystallization of proteins from polyethylene glcyol. J. Biol. Chem. 251: 6300.
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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(+/-)-2-Methyl-2,4-pentanediol蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Organics (Non-Volatile) > (+/-)-2-Methyl-2,4-pentanediol
(+/-)-2-Methyl-2,4-pentanediol
Applications
- Crystallization grade (+/-)-2-Methyl-2,4-pentanediol for formulating screens or for optimization
Description
(+/-)-2-Methyl-2,4-pentanediol
Synonyms: MPD or Hexylene glycol
C6H14O2
CH3CH(OH)CH2C(CH3)2OH
Mr 118.18
CAS Number [107-41-5]
EC Number 203-489-0
Beilstein Registry Number 1098298
Merck 14,4710
RTECS SA0810000
MDL Number MFCD00004547
PubChem Substance ID 329760818
Purity ≥ 99.0%
Density 0.925 g/mL at 25°C(lit.)
Boiling point 197.0° C (lit.)
Vapor pressure 0.02 mm Hg at 20°C (lit.)
Measured Conductivity Range: 0.0 – 0.3 µS/cm at 25°C
Measured Refractive Index Range: 1.42725 – 1.42825 at 20°C
Click to Zoom In
CAT NO
HR2-627
NAME
DESCRIPTION
200 mL
PRICE
$86.00
cart quote
Support Material(s)
HR2-627 (+/-)-2-Methyl-2,4-pentanediol SDS Certificate Of Analysis
References
1. Crystallization and Preliminary X-ray Analysis of a Thermophillic Bacillus Xylanase. Pickersgill, RW; Debeire, P; Debeire-Gosselin, M; Jenkins, JA. J Mol Biol 230, 664- 666, 1993.
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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Ammonium acetate蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Salts > Ammonium acetate
Ammonium acetate
Applications
- Crystallization grade Ammonium acetate for formulating screens or for optimization
Features
- Sterile filtered solution
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
Ammonium acetate
Synonyms: None
C2H7NO2
CH3COONH4
Mr 77.08
CAS Number [631-61-8]
EC Number 211-162-9
Beilstein Registry 4186741
Merck 14,495
RTECS AF3675000
MDL Number MFCD00013066
Purity ≥ 99.0%
UN Number UN 3077 9/PG 3
HR2-565 Measured pH range: 6.8 – 7.2 at 25°C
HR2-565 Measured Conductivity Range: 62.0 – 72.9 mS/cm at 25°C
HR2-565 Measured Refractive Index Range: 1.34344 – 1.34417 at 20°C
HR2-799 Measured pH range: 7.6 – 7.9 at 25°C
HR2-799 Measured Conductivity Range: 68.9 – 105.1 mS/cm at 25°C
HR2-799 Measured Refractive Index Range: 1.39674 – 1.40910 at 20°C
Al ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl ≤0.0005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0002%
K ≤0.005%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.005%
Ni ≤0.0005%
NO3 ≤0.001%
Pb ≤0.0005%
SO4 ≤0.001%
Sr ≤0.0005%
Zn ≤0.0005%
Click to Zoom In
CAT NO
HR2-565
NAME
DESCRIPTION
100 mL
PRICE
$96.00
cart quote
CAT NO
HR2-799
NAME
DESCRIPTION
200 mL
PRICE
$132.00
cart quote
Support Material(s)
HR2-565 Ammonium acetate 1.0 M solution SDS
HR2-799 Ammonium acetate 8.0 M solution SDS Certificate Of Analysis
References
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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Polyethylene glycol 4,000蛋白结晶试剂盒Hampton Research
Hampton Research蛋白结晶试剂盒
Products > Optimize Reagents > Optimize – Polymers > Polyethylene glycol 4,000
Polyethylene glycol 4,000
Applications
- Crystallization grade Polyethylene glycol 4,000 for formulating screens or for optimization
Features
- Sterile filtered solution
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
Polyethylene glycol 4,000
Synonyms: PEG 4,000
H(OCH2CH2)nOH
Mr 3,500-4,500
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
RTECS TQ3500000
MDL Number MFCD00081839
PubChem Substance ID 24890217
Melting point (Starting Material) 58.0-61.0°C
Aldehyde None detected
Peroxide None detected
HR2-529 Measured Conductivity Range: 34.0 – 46.9 µS/cm at 25°C
HR2-529 Measured Refractive Index Range: 1.40172 – 1.40279 at 20°C
Click to Zoom In
CAT NO
HR2-605
NAME
DESCRIPTION
500 grams
PRICE
$109.00
cart quote
CAT NO
HR2-529
NAME
DESCRIPTION
200 mL
PRICE
$109.00
cart quote
Support Material(s)
HR2-605 Polyethylene glycol 4,000 (Flake) SDS
HR2-529 Polyethylene glycol 4,000 SDS Certificate Of Analysis
References
1. McPherson, A. 1976, Crystallization of proteins from polyethylene glcyol. J. Biol. Chem. 251: 6300.
2. Crystal structure of human annexin I at 2.5 A resolution. Weng, X; Luecke, H; Song, IS; Kang, DS; Kim, SH; Huber, R. Protein Sci 2, 448- 458, 1993.
3. Crystallization and preliminary X-ray analysis of CTP:phosphoethanolamine cytidylyltransferase (ECT) from Saccharomyces cerevisiae. J. Ohtsuka, K. Nagata, W. C. Lee, Y. Ono, R. Fukuda, A. Ohta and M. Tanokura. Acta Cryst. (2006). F62, 1003-1005.
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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氟橡胶透明管（称呼 : 10×13） 25m日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索
产品特征：氟橡胶透明管（称呼 : 9×12） 25m日本三博特sanplatec
确认材料的耐药性 >> 耐药性检索
产品特征：