>4X3S_1|Chains A, B|Chromobox protein homolog 7|Mus musculus (10090)
GSHMGEQVFAVESIRKKRVRKGKVEYLVKWKGWPPKYSTWEPEEHILDPRLVMAYEEKEERDRA
>4X3S_2|Chains C, D|SETDB1-1170me3 Peptide|Homo sapiens (9606)
RGFALKSTHG