>sp|Q9GZM3-2|RPB1B_HUMAN Isoform 2 of DNA-directed RNA polymerase II subunit RPB11-b1 OS=Homo sapiens OX=9606 GN=POLR2J2 MNAPPAFESFLLFEGEKITINKDTKVPKACLFTINKEDHTLGNIIKSRACFPFAFCRDCQ FPEASPATLPVQPAELCPRAHQLCAPALKRHLGGEAHPVHLHAGAASRPVQQPQHL