ERG5
ERG5 or Sterol 22-desaturase is a cytochrome P450 enzyme in the ergosterol biosynthesis pathway of fungi Saccharomyces cerevisiae (Baker's yeast), with the CYP Symbol CYP61A1.[1] CYP61A1 is one of the only three P450 enzyme found in baker's yeast, the other two are CYP51F1 and CYP56A1.[2] ERG5 catalyzes the C22-C23 double bond formation on the sterol side chain of ergostatrienol to convert it into ergostatetraenol, then the C24 double bond of ergostatetrenol will be hydrogenation reducted into ergosterol by ERG4.[3]
| Sterol 22-desaturase | |||||||
|---|---|---|---|---|---|---|---|
| Identifiers | |||||||
| Organism | |||||||
| Symbol | ERG5 | ||||||
| Alt. symbols | CYP61A1 | ||||||
| Entrez | 855029 | ||||||
| HomoloGene | 20212 | ||||||
| RefSeq (mRNA) | NM_001182511.1 | ||||||
| RefSeq (Prot) | NP_013728.1 | ||||||
| UniProt | P54781 | ||||||
| Other data | |||||||
| EC number | 1.14.19.41 | ||||||
| Chromosome | XIII: 0.3 - 0.3 Mb | ||||||
| |||||||
References
- Ghaemmaghami S, Huh WK, Bower K, Howson RW, Belle A, Dephoure N, et al. (October 2003). "Global analysis of protein expression in yeast". Nature. 425 (6959): 737–41. Bibcode:2003Natur.425..737G. doi:10.1038/nature02046. PMID 14562106.
- Nelson DR (January 2018). "Cytochrome P450 diversity in the tree of life". Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics. 1866 (1): 141–154. doi:10.1016/j.bbapap.2017.05.003. PMC 5681887. PMID 28502748.
- Kelly SL, Lamb DC, Baldwin BC, Corran AJ, Kelly DE (April 1997). "Characterization of Saccharomyces cerevisiae CYP61, sterol delta22-desaturase, and inhibition by azole antifungal agents". The Journal of Biological Chemistry. 272 (15): 9986–8. doi:10.1074/JBC.272.15.9986. PMID 9092539.
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