Structure of PDB 4x3u Chain B Binding Site BS01

Receptor Information
>4x3u Chain B (length=53) Species: 10090 (Mus musculus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VFAVESIRKKRVRKGKVEYLVKWKGWPPKYSTWEPEEHILDPRLVMAYEE
KEE
Ligand information
Ligand IDSVR
InChIInChI=1S/C51H40N6O23S6/c1-25-9-11-29(49(60)54-37-13-15-41(83(69,70)71)35-21-33(81(63,64)65)23-43(45(35)37)85(75,76)77)19-39(25)56-47(58)27-5-3-7-31(17-27)52-51(62)53-32-8-4-6-28(18-32)48(59)57-40-20-30(12-10-26(40)2)50(61)55-38-14-16-42(84(72,73)74)36-22-34(82(66,67)68)24-44(46(36)38)86(78,79)80/h3-24H,1-2H3,(H,54,60)(H,55,61)(H,56,58)(H,57,59)(H2,52,53,62)(H,63,64,65)(H,66,67,68)(H,69,70,71)(H,72,73,74)(H,75,76,77)(H,78,79,80)
InChIKeyFIAFUQMPZJWCLV-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 12.01O=S(=O)(O)c1c2c(cc(c1)S(=O)(=O)O)c(ccc2NC(=O)c3cc(c(cc3)C)NC(=O)c4cc(ccc4)NC(=O)Nc5cccc(c5)C(=O)Nc6c(ccc(c6)C(=O)Nc7ccc(c8c7c(cc(c8)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O)C)S(=O)(=O)O
OpenEye OEToolkits 1.7.2Cc1ccc(cc1NC(=O)c2cccc(c2)NC(=O)Nc3cccc(c3)C(=O)Nc4cc(ccc4C)C(=O)Nc5ccc(c6c5c(cc(c6)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O)C(=O)Nc7ccc(c8c7c(cc(c8)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O
CACTVS 3.370Cc1ccc(cc1NC(=O)c2cccc(NC(=O)Nc3cccc(c3)C(=O)Nc4cc(ccc4C)C(=O)Nc5ccc(c6cc(cc(c56)[S](O)(=O)=O)[S](O)(=O)=O)[S](O)(=O)=O)c2)C(=O)Nc7ccc(c8cc(cc(c78)[S](O)(=O)=O)[S](O)(=O)=O)[S](O)(=O)=O
FormulaC51 H40 N6 O23 S6
Name8,8'-[CARBONYLBIS[IMINO-3,1-PHENYLENECARBONYLIMINO(4-METHYL-3,1-PHENYLENE)CARBONYLIMINO]]BIS-1,3,5-NAPHTHALENETRISULFON IC ACID;
SURAMIN
ChEMBLCHEMBL265502
DrugBankDB04786
ZINC
PDB chain4x3u Chain B Residue 101 [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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PDB4x3u Small-Molecule Modulators of Methyl-Lysine Binding for the CBX7 Chromodomain.
Resolution1.63 Å
Binding residue
(original residue number in PDB)
R20 R22 W32 W35 Y39 S40 T41 W42 H47
Binding residue
(residue number reindexed from 1)
R11 R13 W23 W26 Y30 S31 T32 W33 H38
Annotation score1
Binding affinityMOAD: ic50=8.1uM
PDBbind-CN: -logKd/Ki=5.09,IC50=8.1uM
Enzymatic activity
Enzyme Commision number ?
Gene Ontology

View graph for
Cellular Component
External links
PDB RCSB:4x3u, PDBe:4x3u, PDBj:4x3u
PDBsum4x3u
PubMed25660273
UniProtQ8VDS3|CBX7_MOUSE Chromobox protein homolog 7 (Gene Name=Cbx7)

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