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Structure of PDB 3cm2 Chain H Binding Site BS01

Receptor Information
>3cm2 Chain H (length=102) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TNLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHC
GGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHSLEECLV
RT
Ligand information
Ligand IDX23
InChIInChI=1S/C28H37N5O3/c1-2-22(30)26(34)32-25-20(17-29)13-14-21-15-16-23(33(21)28(25)36)27(35)31-24(18-9-5-3-6-10-18)19-11-7-4-8-12-19/h3-12,20-25H,2,13-17,29-30H2,1H3,(H,31,35)(H,32,34)/t20-,21+,22+,23+,25+/m1/s1
InChIKeyXXJHZERDDCOFPK-FCRIMTMASA-N
SMILES
SoftwareSMILES
CACTVS 3.341CC[C@H](N)C(=O)N[C@H]1[C@@H](CN)CC[C@H]2CC[C@H](N2C1=O)C(=O)NC(c3ccccc3)c4ccccc4
ACDLabs 10.04O=C(NC(c1ccccc1)c2ccccc2)C4N3C(=O)C(NC(=O)C(N)CC)C(CCC3CC4)CN
CACTVS 3.341CC[CH](N)C(=O)N[CH]1[CH](CN)CC[CH]2CC[CH](N2C1=O)C(=O)NC(c3ccccc3)c4ccccc4
OpenEye OEToolkits 1.5.0CC[C@@H](C(=O)N[C@H]1[C@H](CC[C@H]2CC[C@H](N2C1=O)C(=O)NC(c3ccccc3)c4ccccc4)CN)N
OpenEye OEToolkits 1.5.0CCC(C(=O)NC1C(CCC2CCC(N2C1=O)C(=O)NC(c3ccccc3)c4ccccc4)CN)N
FormulaC28 H37 N5 O3
Name(3S,6S,7R,9aS)-6-{[(2S)-2-aminobutanoyl]amino}-7-(aminomethyl)-N-(diphenylmethyl)-5-oxooctahydro-1H-pyrrolo[1,2-a]azepine-3-carboxamide;
2(S),3(S),6(S),7(S),9a(S) 6-(2-Amino-butyrylamino)-7-aminomethyl-5-oxo-octahydro-pyrrolo[1,2-a]azepine-3-carboxylic acid benzhydryl-amide
ChEMBLCHEMBL575807
DrugBank
ZINCZINC000039091380
PDB chain3cm2 Chain D Residue 600 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3cm2 Targeting the X-linked inhibitor of apoptosis protein through 4-substituted azabicyclo[5.3.0]alkane smac mimetics. Structure, activity, and recognition principles.
Resolution2.5 Å
Binding residue
(original residue number in PDB)
E349 L352
Binding residue
(residue number reindexed from 1)
E96 L99
Annotation score1
Binding affinityMOAD: Ki=340nM
BindingDB: IC50=110nM
Enzymatic activity
Enzyme Commision number 2.3.2.27: RING-type E3 ubiquitin transferase.
External links
PDB RCSB:3cm2, PDBe:3cm2, PDBj:3cm2
PDBsum3cm2
PubMed18851976
UniProtP98170|XIAP_HUMAN E3 ubiquitin-protein ligase XIAP (Gene Name=XIAP)

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