>gi|71834855 prostate specific antigen isoform 4 preproprotein [Homo sapiens] MWVPVVFLTLSVTWIGAAPLILSRIVGGWECEKHSQPWQVLVASRGRAVC GGVLVHPQWVLTAAHCIRKPGDDSSHDLMLLRLSEPAELTDAVKVMDLPT QEPALGTTCYASGWGSIEPEEFLTPKKLQCVDLHVISNDVCAQVHPQKVT KFMLCAGRWTGGKSTCSGDSGGPLVCNGVLQGITSWGSEPCALPERPSLY TKVVHYRKWIKDTIVANP