CHAPS detergent

CHAPS detergent
Structural formula of CHAPS detergent
Names
IUPAC name
3-{Dimethyl[3-(3α,7α,12α-trihydroxy-5β-cholan-24-amido)propyl]azaniumyl}propane-1-sulfonate
Systematic IUPAC name
3-[Dimethyl(3-{(4R)-4-[(1'R,3aS,3bR,4R,5aS,7R,9aS,9bS,11S,11aR)-4,7,11-trihydroxy-9a,11a-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanamido}propyl)azaniumyl]propane-1-sulfonate
Other names
3-[(3-Cholamidopropyl)dimethylammonio]-1-propanesulfonate
Identifiers
3D model (JSmol)
Abbreviations CHAPS
ChEMBL
ChemSpider
ECHA InfoCard 100.129.679 Edit this at Wikidata
KEGG
MeSH 3-((3-Cholamidopropyl)dimethylammonium)-1-propanesulfonate
UNII
  • InChI=1S/C32H58N2O7S/c1-21(8-11-29(38)33-14-6-15-34(4,5)16-7-17-42(39,40)41)24-9-10-25-30-26(20-28(37)32(24,25)3)31(2)13-12-23(35)18-22(31)19-27(30)36/h21-28,30,35-37H,6-20H2,1-5H3,(H-,33,38,39,40,41) ☒N
    Key: UMCMPZBLKLEWAF-UHFFFAOYSA-N ☒N
  • InChI=1/C32H58N2O7S/c1-21(8-11-29(38)33-14-6-15-34(4,5)16-7-17-42(39,40)41)24-9-10-25-30-26(20-28(37)32(24,25)3)31(2)13-12-23(35)18-22(31)19-27(30)36/h21-28,30,35-37H,6-20H2,1-5H3,(H-,33,38,39,40,41)/t21-,22+,23-,24-,25+,26+,27-,28+,30+,31+,32-/m1/s1
    Key: UMCMPZBLKLEWAF-BCTGSCMUBQ
  • InChI=1S/C32H58N2O7S/c1-21(8-11-29(38)33-14-6-15-34(4,5)16-7-17-42(39,40)41)24-9-10-25-30-26(20-28(37)32(24,25)3)31(2)13-12-23(35)18-22(31)19-27(30)36/h21-28,30,35-37H,6-20H2,1-5H3,(H-,33,38,39,40,41)/t21-,22+,23-,24-,25+,26+,27-,28+,30+,31+,32-/m1/s1
    Key: UMCMPZBLKLEWAF-BCTGSCMUSA-N
  • CC(CCC(=O)NCCC[N+](C)(C)CCCS([O-])(=O)=O)C1CCC2C3C(O)CC4CC(O)CCC4(C)C3CC(O)C12C
  • [O-]S(=O)(=O)CCC[N+](C)(C)CCCNC(=O)CC[C@@H](C)[C@H]4CC[C@H]3[C@H]2[C@@H]([C@@]1([C@@H](C[C@H](O)CC1)C[C@H]2O)C)C[C@H](O)[C@@]34C
Properties
C32H58N2O7S
Molar mass 614.88 g·mol−1
Surface tension:
8-10 mM
log P −4.32 (predicted)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

CHAPS is a zwitterionic surfactant used in the laboratory to solubilize biological macromolecules such as proteins. It may be synthesized from cholic acid[1] and is zwitterionic due to its quaternary ammonium and sulfonate groups; it is structurally similar to certain bile acids, such as taurodeoxycholic acid and taurochenodeoxycholic acid. It is used as a non-denaturing detergent in the process of protein purification and is especially useful in purifying membrane proteins, which are often sparingly soluble or insoluble in aqueous solution due to their native hydrophobicity.[2]

CHAPS is an abbreviation for 3-[(3-cholamidopropyl)dimethylammonio]-1-propanesulfonate. A related detergent, called CHAPSO, has the same basic chemical structure with an additional hydroxyl functional group; its full chemical name is 3-[(3-cholamidopropyl)dimethylammonio]-2-hydroxy-1-propanesulfonate. Both detergents have low light absorbance in the ultraviolet region of the electromagnetic spectrum, which is useful for monitoring ongoing chemical reactions or protein-protein binding with UV/Vis spectroscopy.

See also

References

  1. ^ Hjelmeland, LM (November 1980). "A nondenaturing zwitterionic detergent for membrane biochemistry: design and synthesis". Proceedings of the National Academy of Sciences of the United States of America. 77 (11): 6368–70. Bibcode:1980PNAS...77.6368H. doi:10.1073/pnas.77.11.6368. PMC 350285. PMID 6935651.
  2. ^ Cladera, Josep; Ricaud, Jean-Louis; Verde, Joaquim Villa; DuNach, Mireia (1997). "Liposome Solubilization and Membrane Protein Reconstitution Using Chaps and Chapso". European Journal of Biochemistry. 243 (3): 798–804. doi:10.1111/j.1432-1033.1997.00798.x. PMID 9057848.

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