| cysteine proteinases | <enzyme> Peptide hydrolases which have a cysteine involved in the catalytic process. This group of enzymes is inactivated by sulfhydryl reagents. Registry number: EC 3.4.22 (12 Dec 1998) |
|---|---|
| cysteine S-conjugate N-acetyltransferase | <enzyme> Catalyses n-acetylation of l-cysteine thioesters to form mercapturic acids; important in drug detoxication Registry number: EC 2.3.1.80 Synonym: cscn acetyltransferase (26 Jun 1999) |
| cysteine string protein | <protein> (CSPs) Peripheral membrane proteins that contain more than 10 palmitoylated cysteines and a DNA J homology domain. Nature 375:647 (18 Nov 1997) |
| cysteine sulfinate desulfinase | <enzyme> Catalyses removal of elemental sulfur and selenium atoms from cysteine, cystine, selenocysteine and selenocystine to produce l-alanine. Registry number: EC 4.4.1.- (26 Jun 1999) |
| cysteine sulfinic acid | -O2S-CH2CH (NH3)+COO-;a natural oxidation product of cysteine; an intermediate in the formation of taurine (via cysteic acid). (05 Mar 2000) |
| cysteine synthase | <enzyme> An enzyme that catalyses the biosynthesis of cysteine in microorganisms and plants from o-acetyl-l-serine and hydrogen sulfide. Chemical name: O(3)-Acetyl-L-serine acetate-lyase (adding hydrogen sulfide) Registry number: EC 4.2.99.8 (12 Dec 1998) |
| Onchocerca volvulus L3 cysteine protease | <enzyme> Required for molting of o. Volvulus third stage larvae; genbank u71150 Registry number: EC 3.4.22.- Synonym: cysteine protease l3, o volvulus, lovcp (26 Jun 1999) |
| L-cysteine-cystine C-S lyase | <enzyme> C-des - cysteine desulfhydrase; a pyridoxal phosphate- containing enzyme from synechocystis involved information of fe-s cluster of ferredoxin; catalyses the breakdown of l-cysteine to yield sulfide, pyruvate and ammonia; increased activity with cystine, yielding cysteine persulfide as the primary product; mw about 43 kD Registry number: EC 4.4.1.- Synonym: c-des lyase (26 Jun 1999) |