Изопеницилин-Н синтаза
Izopenicilin-N sintaza (EC 1.21.3.1, izopenicilin N sintetaza) je enzim sa sistematskim imenom N-((5S)-5-amino-5-karboksipentanoil)-L-cisteinil-D-valin:kiseonik oksidoreduktaza (ciklizacija).[1][2] Ovaj enzim katalizuje sledeću hemijsku reakciju
Izopenicilin-N sintaza | |||||||||
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Identifikatori | |||||||||
EC broj | 1.21.3.1 | ||||||||
CAS broj | 78642-31-6 | ||||||||
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 | ||||||||
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- N-[(5S)-5-amino-5-karboksipentanoil]-L-cisteinil-D-valin + O2 izopenicilin N + 2 H2O
Ovaj enzim učestvuje u biosintezi penicilina.
Reference
уреди- ^ Huffman, G.W., Gesellchen, P.D., Turner, J.R., Rothenberger, R.B., Osborne, H.E., Miller, F.D., Chapman, J.L. and Queener, S.W. (1992). „Substrate specificity of isopenicillin N synthase”. J. Med. Chem. 35: 1897—1914. PMID 1588566.
- ^ Roach, P.L., Clifton, I.J., Fulop, V., Harlos, K., Barton, G.J., Hajdu, J., Andersson, I., Schofield, C.J. and Baldwin, J.E. (1995). „Crystal structure of isopenicillin N synthase is the first from a new structural family of enzymes”. Nature. 375: 700—704. PMID 7791906.
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- Isopenicillin-N+synthase на US National Library of Medicine Medical Subject Headings (MeSH)