Proadrenomedullin (N-20) is an endogenous peptide consisting of the 20 N-terminal amino acids of proadrenomedullin, which also corresponds to amino acids 22-41 of preproadrenomedullin.1,2,3 Proadrenomedullin (N-20) has been found in porcine adrenal medulla.3 The porcine and bovine proadrenomedullin (N-20) amino acid sequence is similar to human proadrenomedullin (N-20) (Item No. 27102) but contains a substitution at position 7.WARNING This product is not for human or veterinary use.