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Systematic name YOR037W
Gene name CYC2
Feature type ORF, Verified
Coordinates Chr XV:401555..402655
Primary SGDID S000005563

Description of YOR037W: Mitochondrial peripheral inner membrane protein, contains a FAD cofactor in a domain exposed in the intermembrane space; exhibits redox activity in vitro; likely participates in ligation of heme to acytochromes c and c1 (Cyc1p and Cyt1p)[1][2][3][4]


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Protein Details

Protein Modification

Modification(s): Phosphorylation

Identified as an efficient substrate of Clb2-Cdk1-as1 in a screen of a proteomic GST-fusion library. [5] [6]


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  1. Bernard DG, et al. (2003) Overlapping specificities of the mitochondrial cytochrome c and c1 heme lyases. J Biol Chem 278(50):49732-42 SGD PMID 14514677
  2. Bernard DG, et al. (2005) Cyc2p, a membrane-bound flavoprotein involved in the maturation of mitochondrial c-type cytochromes. J Biol Chem 280(48):39852-9 SGD PMID 16207709
  3. Pearce DA, et al. (1998) Cyc2p is required for maintaining ionic stability and efficient cytochrome c import and mitochondrial function in Saccharomyces cerevisiae. FEBS Lett 439(3):307-11 SGD PMID 9845343
  4. Sanchez NS, et al. (2001) Requirements of Cyc2p and the porin, Por1p, for ionic stability and mitochondrial integrity in Saccharomyces cerevisiae. Arch Biochem Biophys 392(2):326-32 SGD PMID 11488609
  5. Ubersax JA, et al. (2003) Targets of the cyclin-dependent kinase Cdk1. Nature 425(6960):859-64 SGD PMID 14574415
  6. submitted by Jeff Ubersax on 2004-01-29

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