>5zwm_w mol:protein length:280 Pre-mRNA-splicing factor PRP21MEPEDTQLKEDIKTTVNYIKQHGVEFENKLLEDERFSFIKKDDPLHEYYTKLMNEPTDTVSGEDNDRKSEREIARPPDFLFSQYDTGISRRDMEVIKLTARYYAKDKSIVEQMISKDGEARLNFMNSSHPLHKTFTDFVAQYKRVYSFTGQEIKKSKRTILDNCFERTQYWEFEKDKDREHDKLVELCKIQFAAIPWDKFTQVAKFSIPEDTEIFEGSLDLEQMRLRRVQTGIKLFDSIKPTNEEEKIVSDQGKQKGGDSKGKKRKIRAVGETRLKKSKK