SHU9119   Click here for help

GtoPdb Ligand ID: 1325

Synonyms: (Ac-cyclo-[Nle4Asp5,D-Nal(2)7,Lys10]α-MSH-(4-10)-NH2) | SHU 9119 | SHU-9119
Comment: SHU9119 is a melanocortin MC3/MC4 receptor antagonist and MC5 receptor agonist. This ligand entry was updated in August 2023, to more fully render its stereochemistry.
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2D Structure
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SMILES / InChI / InChIKey
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Canonical SMILES CCCC[C@@H](C(=O)N[C@H]1CC(=O)NCCCC[C@@H](C(=O)N)NC(=O)[C@H](CC2=CNC3=C2C=CC=C3)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@@H](CC4=CC5=C(C=CC=C5)C=C4)NC(=O)[C@H](CC6=CN=CN6)NC1=O)NC(=O)C
Isomeric SMILES C(C=1C=2C(NC1)=CC=CC2)[C@@H]3NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@@H](CC4=CC5=C(C=C4)C=CC=C5)NC(=O)[C@H](CC6=CN=CN6)NC(=O)[C@@H](NC([C@H](CCCC)NC(C)=O)=O)CC(=O)NCCCC[C@@H](C(N)=O)NC3=O
InChI InChI=1S/C54H71N15O9/c1-3-4-15-40(63-31(2)70)48(73)69-45-27-46(71)59-21-10-9-17-39(47(55)72)64-51(76)43(25-35-28-61-38-16-8-7-14-37(35)38)67-49(74)41(18-11-22-60-54(56)57)65-50(75)42(24-32-19-20-33-12-5-6-13-34(33)23-32)66-52(77)44(68-53(45)78)26-36-29-58-30-62-36/h5-8,12-14,16,19-20,23,28-30,39-45,61H,3-4,9-11,15,17-18,21-22,24-27H2,1-2H3,(H2,55,72)(H,58,62)(H,59,71)(H,63,70)(H,64,76)(H,65,75)(H,66,77)(H,67,74)(H,68,78)(H,69,73)(H4,56,57,60)/t39-,40-,41-,42+,43-,44-,45-/m0/s1
InChI Key GGYWLZFXFKFWKL-XOJVSUSESA-N
Peptide Sequence Click here for help
CDHARWCK
Ac-Nle-Asp(1)-His-D-2Nal-Arg-Trp-Lys(1)-NH2
HELM Notation Click here for help
PEPTIDE1{[ac].[Nle].D.H.[*C(=O)[C@@H](Cc1ccc2ccccc2c1)N* |$_R2;;;;;;;;;;;;;;;;_R1$|].R.W.K.[am]}$PEPTIDE1,PEPTIDE1,3:R3-8:R3$$$
Chemical Modification
Lactam bridge between Asp-2 and Lys-8, forming a cyclic peptide; lysine residue at position 8 is C-terminal amide; residue 4 is D-3-naphthylalanine (Nal); N-terminal cysteine residue is acetylated.
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Canonical SMILES Download
Isomeric SMILES Download
InChI standard identifier Download
InChI standard key Download

Molecular structure representations generated using Open Babel