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Key Documents

C4695

Sigma-Aldrich

CHAPSO

BioXtra

Synonyme(s) :

3-([3-Cholamidopropyl]dimethylammonio)-2-hydroxy-1-propanesulfonate

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About This Item

Formule empirique (notation de Hill):
C32H58N2O8S
Numéro CAS:
Poids moléculaire :
630.88
Numéro Beilstein :
5842642
Numéro MDL:
Code UNSPSC :
12161900
ID de substance PubChem :
Nomenclature NACRES :
NA.25

Description

zwitterionic

Gamme de produits

BioXtra

Pureté

≥98.0% (TLC)

Forme

powder

Poids mol.

micellar avg mol wt 7000

Nombre d'agrégation

11

Impuretés

≤0.0005% Phosphorus (P)
≤0.1% Insoluble matter

Résidus de calcination

≤0.1%

CMC

8 mM (20-25°C)
8 mM (micellar weight =9960)

Pf

184-186 °C (lit.)

Température de transition

cloud point 90 °C

Solubilité

H2O: 0.1 M, clear, colorless

Traces d'anions

chloride (Cl-): ≤0.05%
sulfate (SO42-): ≤0.05%

Traces de cations

Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.01%
Pb: ≤0.001%
Zn: ≤0.0005%

Chaîne SMILES 

[H][C@@]12C[C@H](O)CC[C@]1(C)[C@@]3([H])C[C@H](O)[C@]4(C)[C@]([H])(CC[C@@]4([H])[C@]3([H])[C@H](O)C2)[C@H](C)CCC(=O)NCCC[N+](C)(C)CC(O)CS([O-])(=O)=O

InChI

1S/C32H58N2O8S/c1-20(7-10-29(39)33-13-6-14-34(4,5)18-23(36)19-43(40,41)42)24-8-9-25-30-26(17-28(38)32(24,25)3)31(2)12-11-22(35)15-21(31)16-27(30)37/h20-28,30,35-38H,6-19H2,1-5H3,(H-,33,39,40,41,42)/t20-,21+,22-,23?,24-,25+,26+,27-,28+,30+,31+,32-/m1/s1

Clé InChI

GUQQBLRVXOUDTN-XOHPMCGNSA-N

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Description générale

Chapso is a zwitterionic detergent derived from Chaps by the addition of a functional hydroxyl group. It is a nondenaturing zwitterionic detergent with characteristics similar to CHAPS, although it is more soluble due to a more polar head group.

Application

Chapso has been used in a study to assess methods for high-throughput crystallization of membrane proteins. It has also been used in a study to investigate the effects of detergents on the structure of rhomboid proteases in a lipid environment.
A nondenaturing zwitterionic detergent with characteristics similar to CHAPS, although it is more soluble due to a more polar head group. Useful for the solubilization of integral membrane proteins.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

Incomplete Dialysis of Protein Samples Containing 3-[(3-Cholamidopropyl)dimethylammonio]-1-propanesulfonate May Lead to Erroneous Estimation of Histidine Content on Amino Acid Analysis
Nomura, K., et al.
Analytical Biochemistry, 290, 4-4 (2001)
Structure of Rhomboid Protease in a Lipid Environment
Vinothkumar, K., et al.
Journal of Molecular Biology, 407, 16-16 (2011)
Satoko Osawa et al.
The Journal of biological chemistry, 283(28), 19283-19292 (2008-05-16)
gamma-Secretase is an aspartic protease that hydrolyzes type I membrane proteins within the hydrophobic environment of the lipid bilayer. Using the CHAPSO-solubilized gamma-secretase assay system, we previously found that gamma-secretase activity was sensitive to the concentrations of detergent and phosphatidylcholine.
Jonathan D J Wrigley et al.
Journal of neurochemistry, 90(6), 1312-1320 (2004-09-03)
Gamma-secretase performs the final processing step in the generation of amyloid-beta (Abeta) peptides, which are believed to be causative for Alzheimer's disease. Presenilins (PS) are required for gamma-secretase activity and the presence of two essential intramembranous aspartates (D257 and D385)
Jenny Frånberg et al.
Biochemistry, 46(25), 7647-7654 (2007-06-01)
Gamma-secretase is important for the development of Alzheimer's disease, since it is a crucial enzyme for the generation of the pathogenic amyloid beta-peptide (Abeta). Most data on gamma-secretase is derived from studies in cell lines overexpressing gamma-secretase components or amyloid

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