Corticotropin-like intermediate peptide
Chemical compound
From Wikipedia, the free encyclopedia
Corticotropin-like intermediate [lobe] peptide (CLIP), also known as adrenocorticotropic hormone fragment 18-39 (ACTH(18-39)), is a naturally occurring, endogenous neuropeptide with a docosapeptide structure and the amino acid sequence Arg-Pro-Val-Lys-Val-Tyr-Pro-Asn-Gly-Ala-Glu-Asp-Glu-Ser-Ala-Glu-Ala-Phe-Pro-Leu-Glu-Phe. CLIP is generated as a proteolyic cleavage product of adrenocorticotropic hormone (ACTH),[1][2] which in turn is a cleavage product of proopiomelanocortin (POMC).[3] Its physiological role has been investigated in various tissues,[4][5] specifically in the central nervous system.[6][7][8][9][10]
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| Names | |
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| IUPAC name
L-arginyl-L-prolyl-L-valyl-L-lysyl-L-valyl-L-tyrosyl-L-prolyl-L-asparaginyl-L-glycyl-L-alanyl-L-α-glutamyl-L-α-aspartyl-L-α-glutamyl-L-seryl-L-alanyl-L-α-glutamyl-L-alanyl-L-phenylalanyl-L-prolyl-L-leucyl-L-α-glutamyl-L-phenylalanine | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
PubChem CID |
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| Properties | |
| C112H165N27O36 | |
| Molar mass | 2465.705 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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It has been suggested to function as an insulin secretagogue in the pancreas.[11]