>sp|Q8WXW3-2|PIBF1_HUMAN Isoform 2 of Progesterone-induced-blocking factor 1 OS=Homo sapiens OX=9606 GN=PIBF1 MQTAEIENEDEAERVLFSYGYGANVPTTAKRRLKQSVHLARRVLQLEKQNSLILKDLEHR KDQVTQLSQELDRANSLLNQTQQPYRYLIESVRQRDSKIDSLTESIAQLEKDVSNLNKEK SALLQTKNQMALDLEQLLNHREELAAMKQILVKMHSKHSENSLLLTKTEPKHVTENQKSK TLNVPKEHEDNIFTPKPTLFTKKEAPEWSKKQKMKT