UCN GI:4507803 urocortin preproprotein 1 mrqagraall aallllvqlc pgssqrspea agvqdpslrw spgarnqggg 50 51 aralllllae rfprragpgr lglgtagerp rrdnpslsid ltfhllrtll 100 101 elartqsqre raeqnriifd svgk