[ tyr1 ] somatostatin , [ d-ala1 ] somatostatin , [ n-acetyl-cys3 ] somatostatin and [ n-benzoyl-cys3 ] somatostatin have activities indistinguishable from somatostatin itself while [ d-lys4 ] somatostatin and [ des-amino1 , des-carboxy14 ] somatostatin have approximately 10 % the activity of the natural hypothalamic peptide .
C0037659
somatostatin
C0020663
hypothalamic