>sp|Q8WXW3-3|PIBF1_HUMAN Progesterone-induced-blocking factor 1 OS=Homo sapiens GN=PIBF1 MSRKISKESKKVNISSSLESEDISLETTVPTDDISSSEEREGKVRITRQLIERKELLHNI QLLKIELSQKTMMIDNLKVDYLTKIEELEEKLNDALHQKQQTF