Cysteate synthase

Cysteate synthase (EC 2.5.1.76) is an enzyme with systematic name sulfite:O-phospho-L-serine sulfotransferase (phosphate-hydrolysing, L-cysteate-forming).^[1] This enzyme catalyses the following chemical reaction

O-phospho-L-serine + sulfite

\rightleftharpoons

L-cysteate + phosphate

This enzyme is a pyridoxal-phosphate protein.

References

↑ Graham, D.E., Taylor, S.M., Wolf, R.Z. and Namboori, S.C. (2009). "Convergent evolution of coenzyme M biosynthesis in the Methanosarcinales: cysteate synthase evolved from an ancestral threonine synthase". Biochem. J. 424 (3): 467–478. doi:10.1042/BJ20090999. PMID 19761441.

External links

Cysteate synthase at the US National Library of Medicine Medical Subject Headings (MeSH)

Transferases: alkyl and aryl (EC 2.5)

2.5.1	Dimethylallyltranstransferase Thiaminase I Methionine adenosyltransferase Riboflavin synthase Dihydropteroate synthase Spermidine synthase Glutathione S-transferase Farnesyl-diphosphate farnesyltransferase Spermine synthase Alkylglycerone phosphate synthase Farnesyltransferase Geranylgeranyltransferase type 1 Porphobilinogen deaminase

Enzymes

Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis Enzyme kinetics Lineweaver–Burk plot Michaelis–Menten kinetics

Regulation	Allosteric regulation Cooperativity Enzyme inhibitor

Classification	EC number Enzyme superfamily Enzyme family List of enzymes

Types	EC1 Oxidoreductases(list) EC2 Transferases(list) EC3 Hydrolases(list) EC4 Lyases(list) EC5 Isomerases(list) EC6 Ligases(list)

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