>tr|A6KHQ9|A6KHQ9_RAT Cytochrome c oxidase subunit 4 OS=Rattus norvegicus GN=Cox4i2 MFSRATRSLVMKTGGLRTQGTHSPGSAASSSQRRMTPYVDCYAQRSYPMPDEPYCTELSE EQRALKEKEKGSWAQLSQAEKVALYRLQFHETFAEMNHRSNEWKTVMGCVFFFIGFTALV IWWQRVYVFPKKVVTLTEERKAQQLQRLLDMKSNPIQGLSAHWDYEKKEWKK