>2KWU_1|Chain A|DNA polymerase iota|Mus musculus (10090) GSPEFDSAEEKLPFPPDIDPQVFYELPEEVQKELMAEWERAGAARPSAHR >2KWU_2|Chain B|Ubiquitin|Homo sapiens (9606) MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGG