Structure of PDB 3clx Chain A Binding Site BS03

Receptor Information
>3clx Chain A (length=99) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LPRNPSMADYEARIFTFGTWIYSVNKEQLARAGFYALGEGDKVKCFHCGG
GLTDWKPSEDPWEQHAKWYPGCKYLLEQKGQEYINNIHLTHSLEECLVR
Ligand information
Ligand IDX22
InChIInChI=1S/C28H36N4O4/c1-2-22(29)26(34)31-25-20(17-33)13-14-21-15-16-23(32(21)28(25)36)27(35)30-24(18-9-5-3-6-10-18)19-11-7-4-8-12-19/h3-12,20-25,33H,2,13-17,29H2,1H3,(H,30,35)(H,31,34)/t20-,21+,22+,23+,25+/m1/s1
InChIKeyWXYVFFGXHFXTLU-FCRIMTMASA-N
SMILES
SoftwareSMILES
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)CO)N
ACDLabs 10.04O=C(NC(c1ccccc1)c2ccccc2)C4N3C(=O)C(NC(=O)C(N)CC)C(CCC3CC4)CO
CACTVS 3.341CC[CH](N)C(=O)N[CH]1[CH](CO)CC[CH]2CC[CH](N2C1=O)C(=O)NC(c3ccccc3)c4ccccc4
CACTVS 3.341CC[C@H](N)C(=O)N[C@H]1[C@@H](CO)CC[C@H]2CC[C@H](N2C1=O)C(=O)NC(c3ccccc3)c4ccccc4
OpenEye OEToolkits 1.5.0CCC(C(=O)NC1C(CCC2CCC(N2C1=O)C(=O)NC(c3ccccc3)c4ccccc4)CO)N
FormulaC28 H36 N4 O4
Name(3S,6S,7S,9aS)-6-{[(2S)-2-aminobutanoyl]amino}-N-(diphenylmethyl)-7-(hydroxymethyl)-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-hydroxymethyl-5-oxo-octahydro-pyrrolo[1,2-a]azepine-3-carboxylic acid benzhydryl-amide
ChEMBLCHEMBL573550
DrugBank
ZINCZINC000039090749
PDB chain3clx Chain A 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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PDB3clx Targeting the X-linked inhibitor of apoptosis protein through 4-substituted azabicyclo[5.3.0]alkane smac mimetics. Structure, activity, and recognition principles.
Resolution2.7 Å
Binding residue
(original residue number in PDB)		K297 G306 L307 T308 D309 E314 Q319 W323
Binding residue
(residue number reindexed from 1)		K42 G51 L52 T53 D54 E59 Q64 W68
Annotation score1
Binding affinityBindingDB: IC50=290nM
Enzymatic activity
Enzyme Commision number 2.3.2.27: RING-type E3 ubiquitin transferase.
External links
PDB RCSB:3clx, PDBe:3clx, PDBj:3clx
PDBsum3clx
PubMed18851976
UniProtP98170|XIAP_HUMAN E3 ubiquitin-protein ligase XIAP (Gene Name=XIAP)

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