PSG4 GI:47419900 pregnancy specific beta-1-glycoprotein 4 isoform 2 1 mgplsappct qritwkgvll tasllnfwnp pttaqvtiea qppkvsegkd 50 51 vlllvhnlpq nlagyiwykg qmtylyhyit syvvdgqrii ygpaysgrer 100 101 vysnaslliq nvtqedagsy tlhiikrrdg tggvtghftf tlhletpkps 150 151 isssnlnpre ameaviltcd patpaasyqw wmngqslpmt hrlqlsktnr 200 201 tlfifgvtky iagpyeceir npvsasrsdp vtlnllhgpd lpsiypsfty 250 251 yrsgenlyls cfaesnpraq yswtingkfq lsgqklsipq ittkhsglya 300 301 csvrnsatgk essksitvkv sdwilp