ChEBI: L-Phe-L-Phe-Gly-L-Leu-L-Met-NH2 is a pentapeptide composed of L-phenylalanine, L-phenylalanine, glycine, L-leucine, and L-methioninamide joined in sequence by peptide linkages. It is a C-terminal fragment of substance P. It is functionally related to a L-leucine, a L-methioninamide, a L-phenylalanine and a glycine. It is a conjugate base of a L-Phe-L-Phe-Gly-L-Leu-L-Met-NH2(1+).