the precursor-specific region of bovine pre-proparathyroid hormone ( prepropth ) , [ d-tyr- ( +1 ) ] prepropth- ( -29-+1 ) amide , and a sulfur-free analog , [ nle- ( -25 ) , nle- ( -21 ) , nle- ( -18 ) , ala- ( -14 ) , d-tyr- ( +1 ) ] prepropth- ( -29-+1 ) amide , inhibit the processing of an unrelated precursor protein ( pre-prolactin ) to its mature secreted form ( prolactin ) in the mammalian system .
C1327616
secreted
C0033371
prolactin