>4JXT_1|Chain A|Regulation of nuclear pre-mRNA domain-containing protein 1A|Homo sapiens (9606) GMSAFSEAALEKKLSELSNSQQSVQTLSLWLIHHRKHSRPIVTVWERELRKAKPNRKLTFLYLANDVIQNSKRKGPEFTKDFAPVIVEAFKHVSSETDESCKKHLGRVLSIWEERSVYENDVLEQLKQALYGDKKPRK >4JXT_2|Chain B|DNA-directed RNA polymerase II subunit RPB1|Homo sapiens (9606) XSPSYSPTSPSYSPTSPSYSX