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Cytochrome a Group

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Definition: Cytochromes (electron-transporting proteins) in which the heme prosthetic group is heme a, i.e., the iron chelate of cytoporphyrin IX. (From Enzyme Nomenclature, 1992, p539)  spell in titles & translations with lowercase a: cytochrome a; do not confuse with CYTOCHROMES A   
Examples Cytochromes a; Cytochromes a1; Cytochromes a3 		Other names Cytochromes Type a; Heme a Cytochromes; Cytochromes, Heme a
 
SubstanceCAS Registry & nameCategoriesSourceDrugs*
ubiquinol oxidase, Acetobacter aceti  EC 1.-   *Bacterial Proteins *Oxidoreductases *Cytochrome a Group. Proc Natl Acad Sci USA 1990;87(24):9863
cytochrome a620, Tetrahymena pytriformis  68334-96-3 Cytochrome a 620  *Protozoan Proteins *Cytochrome a Group.

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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