| ID: 101135431 | cytochrome c [Gorilla gorilla gorilla (western lowland gorilla)] | Chromosome 6, NC_073230.2 (32540672..32547561, complement) | CYC, CYCS | |
| ID: 100986481 | cytochrome c [Pan paniscus (pygmy chimpanzee)] | Chromosome 6, NC_073255.2 (29973124..29977324, complement) | CYCS | |
| ID: 100952744 | cytochrome c, somatic [Otolemur garnettii (small-eared galago)] | NW_003852466.1 (5621826..5622450) | CYCS | |
| ID: 672195 | predicted gene 10053 [Mus musculus (house mouse)] | Chromosome 19, NC_000085.7 (24852990..24854239) | CYCS | |
| ID: 360163 | cytochrome c, testis, pseudogene [Homo sapiens (human)] | Chromosome 2, NC_000002.12 (178092500..178104470, complement) | HCP9 | |