Peptide PHI

**Definition:** A 27-amino acid peptide with histidine at the N-terminal and isoleucine amide at the C-terminal. The exact amino acid composition of the peptide is species dependent. The peptide is secreted in the intestine, but is found in the nervous system, many organs, and in the majority of peripheral tissues. It has a wide range of biological actions, affecting the cardiovascular, gastrointestinal, respiratory, and central nervous systems.

**Tree numbers:** - D06.472.699.592 - D12.644.400.610 - D12.644.548.592 - D12.776.631.650.610

**Synonyms:** - Peptide Histidine-Isoleucine - PHI Peptide - Peptide PHI-27 - Peptide PHM - Peptide-Histidine-Isoleucinamide - PHM Neuropeptide - Pro-Vasoactive Intestinal Peptide - PHM-27 - Neuropeptide PHI 27 - Peptide Histidine Methionine - Peptide HI