afamelanotide   Click here for help

GtoPdb Ligand ID: 1324

Synonyms: α-NDP-MSH | [Nle4,dPhe7]α-MSH | CUV-1647 | CUV1647 | NDP-MSH | Scenesse®
Approved drug
afamelanotide is an approved drug (EMA (2014), FDA (2019))
Compound class: Peptide
Comment: Afamelanotide is a synthetic analogue of α-MSH, and is a first-in-class clinically used non-selective MC receptor agonist. It is used for certain dematological applications [5-6].
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2D Structure
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SMILES / InChI / InChIKey
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Canonical SMILES CCCCC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NCC(=O)NC(C(=O)N1CCCC1C(=O)NC(C(=O)N)C(C)C)CCCCN)Cc1c[nH]c2c1cccc2)CCCNC(=N)N)Cc1ccccc1)Cc1[nH]cnc1)CCC(=O)O)NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C)CO)Cc1ccc(cc1)O)CO
Isomeric SMILES CCCC[C@@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)NCC(=O)N[C@H](C(=O)N1CCC[C@H]1C(=O)N[C@H](C(=O)N)C(C)C)CCCCN)Cc1c[nH]c2c1cccc2)CCCNC(=N)N)Cc1ccccc1)Cc1[nH]cnc1)CCC(=O)O)NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)C)CO)Cc1ccc(cc1)O)CO
InChI InChI=1S/C78H111N21O19/c1-5-6-19-52(91-75(116)61(41-101)97-72(113)57(34-46-24-26-49(103)27-25-46)94-74(115)60(40-100)88-44(4)102)68(109)92-54(28-29-64(105)106)70(111)96-59(36-48-38-83-42-87-48)73(114)93-56(33-45-16-8-7-9-17-45)71(112)90-53(22-14-31-84-78(81)82)69(110)95-58(35-47-37-85-51-20-11-10-18-50(47)51)67(108)86-39-63(104)89-55(21-12-13-30-79)77(118)99-32-15-23-62(99)76(117)98-65(43(2)3)66(80)107/h7-11,16-18,20,24-27,37-38,42-43,52-62,65,85,100-101,103H,5-6,12-15,19,21-23,28-36,39-41,79H2,1-4H3,(H2,80,107)(H,83,87)(H,86,108)(H,88,102)(H,89,104)(H,90,112)(H,91,116)(H,92,109)(H,93,114)(H,94,115)(H,95,110)(H,96,111)(H,97,113)(H,98,117)(H,105,106)(H4,81,82,84)/t52-,53-,54-,55-,56+,57-,58-,59-,60-,61-,62-,65-/m0/s1
InChI Key UAHFGYDRQSXQEB-LEBBXHLNSA-N

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)

Peptide Sequence Click here for help
SYSXEHFRWGKPV
Ac-Ser-Tyr-Ser-Nle-Glu-His-D-Phe-Arg-Trp-Gly-Lys-Pro-Val-NH2
Chemical Modification
N-terminal serine is acetylated; X=Nle; phenylalanine residue at position 7 is D-Phe; C-terminal valine residue is amidated
Download 2D Structure Click here for help
Canonical SMILES Download
Isomeric SMILES Download
InChI standard identifier Download
InChI standard key Download

Molecular structure representations generated using Open Babel