>4B8N_1|Chains A, B, C, D|CYTOCHROME B5-HOST ORIGIN|OSTREOCOCCUS TAURI VIRUS 2 (696472) MNRIKTINDHINPRDLSLTEIAKHNTEEDCWVIIKDIVYDLTKFLPDHPGGKKAIILFAGKDATEEFDMLHPPNVLKKYLTPEVVLGPVKK