Cistationin g-sintaza
(преусмерено са O-sukcinilhomoserin sintaza)
Cistationin g-sintaza (EC 2.5.1.48, O-sukcinil-L-homoserin sukcinat-lijaza (dodaje cistein), O-sukcinilhomoserin (tiol)-lijaza, homoserin O-transsukcinilaza, O-sukcinilhomoserin sintaza, O-sukcinilhomoserin sintetaza, cistationinska sintaza, cistationinska sintetaza, homoserinska transsukcinilaza, 4-O-sukcinil-L-homoserin:L-cistein S-(3-amino-3-karboksipropil)transferaza) je enzim sa sistematskim imenom O4-sukcinil-L-homoserin:L-cistein S-(3-amino-3-karboksipropil)transferaza.[1][2][3][4][5][6] Ovaj enzim katalizuje sledeću hemijsku reakciju
Cistationin g-sintaza | |||||||||
---|---|---|---|---|---|---|---|---|---|
Identifikatori | |||||||||
EC broj | 2.5.1.48 | ||||||||
CAS broj | 9030-70-0 | ||||||||
Baze podataka | |||||||||
IntEnz | IntEnz pregled | ||||||||
BRENDA | BRENDA pristup | ||||||||
ExPASy | NiceZyme pregled | ||||||||
KEGG | KEGG pristup | ||||||||
MetaCyc | metabolički put | ||||||||
PRIAM | profil | ||||||||
Strukture PBP | RCSB PDB PDBe PDBj PDBsum | ||||||||
|
Ovaj enzim je piridoksal-fosfatni protein. On takođe reaguje sa vodonik sulfidom i metantiolom.
Reference
уреди- ^ Flavin, M. & Slaughter, C. (1967). „Enzymatic synthesis of homocysteine or methionine directly from O-succinyl-homoserine”. Biochim. Biophys. Acta. 132: 400—405. PMID 5340123.
- ^ Kaplan, M.M. & Flavin, M. (1966). „Cystathionine γ-synthetase of Salmonella. Catalytic properties of a new enzyme in bacterial methionine biosynthesis”. J. Biol. Chem. 241: 4463—4471. PMID 5922970.
- ^ Wiebers, J.L. & Garner, H.R. (1967). „Homocysteine and cysteine synthetases of Neurospora crassa. Purification, properties, and feedback control of activity”. J. Biol. Chem. 242: 12—23. PMID 6016326.
- ^ Wiebers, J.L. & Garner, H.R. (1967). „Acyl derivatives of homoserine as substrates for homocysteine synthesis in Neurospora crassa, yeast, and Escherichia coli”. J. Biol. Chem. 242: 5644—5649. PMID 12325384.
- ^ Clausen, T., Huber, R., Prade, L., Wahl, M.C. and Messerschmidt, A. (1998). „Crystal structure of Escherichia coli cystathionine γ-synthase at 1.5 Å resolution”. EMBO J. 17: 6827—6838. PMID 9843488.
- ^ Ravanel, S., Gakiere, B., Job, D. and Douce, R. (1998). „Cystathionine γ-synthase from Arabidopsis thaliana: purification and biochemical characterization of the recombinant enzyme overexpressed in Escherichia coli”. Biochem. J. 331: 639—648. PMID 9531508.
Literatura
уреди- Nicholas C. Price; Lewis Stevens (1999). Fundamentals of Enzymology: The Cell and Molecular Biology of Catalytic Proteins (Third изд.). USA: Oxford University Press. ISBN 019850229X.
- Eric J. Toone (2006). Advances in Enzymology and Related Areas of Molecular Biology, Protein Evolution (Volume 75 изд.). Wiley-Interscience. ISBN 0471205036.
- Branden C; Tooze J. Introduction to Protein Structure. New York, NY: Garland Publishing. ISBN 0-8153-2305-0.
- Irwin H. Segel. Enzyme Kinetics: Behavior and Analysis of Rapid Equilibrium and Steady-State Enzyme Systems (Book 44 изд.). Wiley Classics Library. ISBN 0471303097.
- William P. Jencks (1987). Catalysis in Chemistry and Enzymology. Dover Publications. ISBN 0486654605.
Spoljašnje veze
уреди- Cystathionine+gamma-synthase на US National Library of Medicine Medical Subject Headings (MeSH)