Cytochrome c is an electron-carrying mitochondrial
protein. It is a small heme protein containing a single
polypeptide chain and a single heme group, which is
covalently attached to the polypeptide. The ready
fluctuation of cytochrome c within the cell between
ferrous and ferric states, makes it an efficient
biological electron-transporter and it plays a vital role
in cellular oxidations in both plants and animals. It is generally regarded as a universal catalyst of respiration, forming the essential electron-bridge between the respirable substrates and oxygen.
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細胞色素c蛋白產品，又稱Cytochrome c .其對應NCBI基因號為待更新，對應Accession號為待更新.
