>5iyb_D mol:protein length:142 DNA-directed RNA polymerase II subunit RPB4 MAAGGSDPRAGDVEEDASQLIFPKEFETAETLLNSEVHMLLEHRKQQNESAEDEQELSE VFMKTLNYTARFSRFKNRETIASVRSLLLQKKLHKFELACLANLCPETAEESKALIPSL EGRFEDEELQQILDDIQTKRSFQY