>2LTO_1|Chain A|Tudor domain-containing protein 3|Homo sapiens (9606) MKMWKPGDECFALYWEDNKFYRAEVEALHSSGMTAVVKFIDYGNYEEVLLSNIKPILE >2LTO_2|Chain B|DNA-directed RNA polymerase II subunit RPB1|Homo sapiens (9606) YSPSSPXYTPQSP