>4Q94_2|Chains C, D|rpb1-ctd|null
XSPSYSPTSPSYSPTSPSYSX
>4Q94_1|Chains A, B|Regulation of nuclear pre-mRNA domain-containing protein 1B|Homo sapiens (9606)
GSSFSESALEKKLSELSNSQHSVQTLSLWLIHHRKHAGPIVSVWHRELRKAKSNRKLTFLYLANDVIQNSKRKGPEFTREFESVLVDAFSHVAREADEGCKKPLERLLNIWQERSVYGGEFIQQLKLSMEDSKSP