>sp|Q91Y94|COX42_RAT Cytochrome c oxidase subunit 4 isoform 2, mitochondrial OS=Rattus norvegicus GN=Cox4i2 MFSRATRSLVMKTGGLRTQGTHSPGSAASSSQRRMTPYVDCYAQRSYPMPDEPYCTELSE EQRALKEKEKGSWAQLSQAEKVALYRLQFHETFAEMNHRSNEWKTVMGCVFFFIGFTALV IWWQRVYVFPKKVVTLTEERKAQQLQRLLDMKSNPIQGLSAHWDYEKKEWKK