Eritromicin 3''-O-metiltransferaza
| Eritromicin 3-O-metiltransferaza | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifikatori | |||||||||
| EC broj | 2.1.1.254 | ||||||||
| 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 | ||||||||
| |||||||||
Eritromicin 3-O-metiltransferaza (EC 2.1.1.254, EryG) je enzim sa sistematskim imenom S-adenozil-L-metionin:eritromicin C 3-O-metiltransferaza.[1][2] Ovaj enzim katalizuje sledeću hemijsku reakciju
- (1) S-adenozil-L-metionin + eritromicin C S-adenozil-L-homocistein + eritromicin A
- (2) S-adenozil-L-metionin + eritromicin D S-adenozil-L-homocistein + eritromicin B
Ovaj enzim metiliše poziciju 3 mikarozilne grupe eritromicina C, i formira najaktivniju formu antibiotika, eritromicin A.
Reference
[uredi | uredi izvor]- ^ Paulus, T.J., Tuan, J.S., Luebke, V.E., Maine, G.T., DeWitt, J.P. and Katz, L. (1990). „Mutation and cloning of eryG, the structural gene for erythromycin O-methyltransferase from Saccharopolyspora erythraea, and expression of eryG in Escherichia coli”. J. Bacteriol. 172: 2541—2546. PMID 2185226.
- ^ Summers, R.G., Donadio, S., Staver, M.J., Wendt-Pienkowski, E., Hutchinson, C.R. and Katz, L. (1997). „Sequencing and mutagenesis of genes from the erythromycin biosynthetic gene cluster of Saccharopolyspora erythraea that are involved in L-mycarose and D-desosamine production”. Microbiology. 143: 3251—3262. PMID 9353926.
Literatura
[uredi | uredi izvor]- Nicholas C. Price; Lewis Stevens (1999). Fundamentals of Enzymology: The Cell and Molecular Biology of Catalytic Proteins (Third izd.). USA: Oxford University Press. ISBN 019850229X.
- Eric J. Toone (2006). Advances in Enzymology and Related Areas of Molecular Biology, Protein Evolution (Volume 75 izd.). 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 izd.). Wiley Classics Library. ISBN 0471303097.
Spoljašnje veze
[uredi | uredi izvor]- -O-methyltransferase Erythromycin+3-O-methyltransferase na US National Library of Medicine Medical Subject Headings (MeSH)
