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Default Cysteine pairing in the glycoprotein IIbIIIa antagonist kistrin using NMR, chemical a

Cysteine pairing in the glycoprotein IIbIIIa antagonist kistrin using NMR, chemical analysis, and structure calculations.

Related Articles Cysteine pairing in the glycoprotein IIbIIIa antagonist kistrin using NMR, chemical analysis, and structure calculations.

Biochemistry. 1993 Jan 12;32(1):282-9

Authors: Adler M, Carter P, Lazarus RA, Wagner G

The pairing of the cysteines in disulfide bonds was investigated for the 68-residue RGD-containing protein kistrin, a potent antagonist of the integrin GP IIbIIIa and an inhibitor of platelet aggregation. Kistrin belongs to a family of homologous proteins found in snake venoms termed disintegrins, all of which have a cysteine content. The disulfide pairing of the 12 cysteines was investigated by chemical analysis, NMR spectroscopy, and distance geometry calculations. The data show that the disulfide pairs are 4-19, 6-14, 13-36, 27-33, 32-57, and 45-64. The various means for assigning the disulfide bonds are described, and the results are compared with the cysteine pairings reported for other disintegrin proteins.

PMID: 8418848 [PubMed - indexed for MEDLINE]



Source: PubMed
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