CSH2 GI:12408692 chorionic somatomammotropin hormone 2 isoform 2 1 maagsrtsll lafallclpw lqeagavqtv plsrlfdham lqahrahqla 50 51 idtyqefeet yipkdqkysf lhdsqtsfcf sdsiptpsnm eetqqksnle 100 101 llrislllie swlepvrflr smfannlvyd tsdsddyhll kdleegiqtl 150 151 mgvrvapgva npgtpla