>2L1B_1|Chain A|Chromobox protein homolog 7|Homo sapiens (9606) GEQVFAVESIRKKRVRKGKVEYLVKWKGWPPKYSTWEPEEHILDPRLVMAYEEKEE >2L1B_2|Chain B|Histone H3|Xenopus laevis (8355) QLATKAARKSAPATG