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Structure of PDB 3cm2 Chain J Binding Site BS02

Receptor Information
>3cm2 Chain J (length=103) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TNLPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHC
GGGLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHSLEECLV
RTT
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 J Residue 600 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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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)		K297 G306 L307 T308 D309 W310 E314
Binding residue
(residue number reindexed from 1)		K44 G53 L54 T55 D56 W57 E61
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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