by using antisera specifically recognizing 3 different but overlapping segments of somatostatin-28 ( srif-28 ) , the rat prepro-somatostatin was shown to contain antigenic determinants of this n-terminally extended somatostatin as well as of the tetradecapeptide ( srif-14 ) .
C1335871
prepro-somatostatin
C0037659
srif