| EC |
4.4.1.9 |
| Accepted name: |
L-3-cyanoalanine synthase |
| Reaction: |
L-cysteine + hydrogen cyanide = L-3-cyanoalanine + hydrogen sulfide |
| Other name(s): |
β-cyanoalanine synthase; β-cyanoalanine synthetase; β-cyano-L-alanine synthase; L-cysteine hydrogen-sulfide-lyase (adding HCN) |
| Systematic name: |
L-cysteine hydrogen-sulfide-lyase (adding hydrogen cyanide; L-3-cyanoalanine-forming) |
| Comments: |
Contains pyridoxal phospate. |
| Links to other databases: |
BRENDA, EXPASY, Gene, KEGG, MetaCyc, CAS registry number: 9059-53-4 |
| References: |
| 1. |
Akopyan, T.N., Braunstein, A.E. and Goryachenkova, E.V. β-Cyanoalanine synthase: purification and characterization. Proc. Natl. Acad. Sci. USA 72 (1975) 1617–1621. [DOI] [PMID: 1055433] |
| 2. |
Castric, P.A. and Conn, E.E. Formation of β-cyanoalanine by O-acetylserine sulfhydrylase. J. Bacteriol. 108 (1971) 132–136. [PMID: 5001194] |
| 3. |
Hendrickson, H.R. The β-cyanoalanine synthase of blue lupine. Fed. Proc. 27 (1968) 593. |
| 4. |
Hendrickson, H.R. and Conn, E.E. Cyanide metabolism in higher plants. IV. Purification and properties of the β-cyanoalanine synthase of blue lupine. J. Biol. Chem. 244 (1969) 2632–2640. [PMID: 5769995] |
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| [EC 4.4.1.9 created 1972, deleted 1976, reinstated 1978] |
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