>tr|A2APA3|A2APA3_MOUSE Cleavage stimulation factor 50 kDa subunit (Fragment) OS=Mus musculus OX=10090 GN=Cstf1 PE=1 SV=1
MYRTKVGLKDRQQLYKLIISQLLYDGYISIANGLINEIKPQSVCAPSEQLLHLIKLGMEN
DDTAVQYAIGRSDTVAPGTGIDLEFDADVQTMSPEASEYETCYVTSHKGPCRVATYSRDG
QLIATGSADASIKILDTERMLAKSAMPIEVMMNET