Products > Optimize Reagents > Optimize - Polymers > Precipitant Mixes
Precipitant Mixes
Applications
- Crystallization grade precipitant mixture for formulating screens or for optimization
Features
- Mixtures of different molecular weight Polyethylene glycol′s and non-volatile organics
- 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
The Precipitant Mixes come in 4 different combinations:
• 60% Precipitant Mix 1
• 60% Precipitant Mix 2
• 60% Precipitant Mix 3
• 75% Precipitant Mix 4
60% Precipitant Mix 1 consists of:
• 40% v/v Polyethylene glycol monomethyl ether 550
• 20% w/v Polyethylene glycol 20,000
60% Precipitant Mix 2 consists of:
• 40% v/v Ethylene glycol
• 20% w/v Polyethylene glycol 8,000
60% Precipitant Mix 3 consists of:
• 40% v/v Glycerol
• 20% w/v Polyethylene glycol 4,000
75% Precipitant Mix 4 consists of:
• 25% v/v (+/-)-2-Methyl-2,4-pentanediol
• 25% w/v Polyethylene glycol 1,000
• 25% w/v Polyethylene glycol 3,350
Support Material(s)
HR2-471 60% Precipitant Mix 1 SDS HR2-470 60% Precipitant Mix 2 SDS HR2-469 60% Precipitant Mix 3 SDS HR2-468 75% Precipitant Mix 4 SDS
Certificate Of Analysis
Related Item(S)
References
1. Gorrec F. The MORPHEUS protein crystallization screen. J Appl Crystallogr. 2009 Dec 1;42(Pt 6):1035-1042. doi: 10.1107/S0021889809042022. Epub 2009 Nov 7. PMID: 22477774; PMCID: PMC3246824.