Structure of PDB 2i66 Chain B Binding Site BS01

Receptor Information
>2i66 Chain B (length=252) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RWRQTWSGPGTTKRFPETVLARCVKYTEIHPEMRHVDCQSVWDAFKGAFI
SKHPCDITEEDYQPLMKLGTQTVPCNKILLWSRIKDLAHQFTQVQRDMFT
LEDTLLGYLADDLTWCGEFDTSKINYQSCPDWRKDCSNNPVSVFWKTVSR
RFAEAACDVVHVMLDGSRSKIFDKDSTFGSVEVHNLQPEKVQTLEAWVIH
GGREDSRDLCQDPTIKELESIISKRNIQFSCKNIYRPDKFLQCVKNPEDS
SC
Ligand information
Ligand IDG1R
InChIInChI=1S/C15H23N5O15P2/c16-15-18-11-6(12(25)19-15)17-3-20(11)13-9(23)7(21)4(33-13)1-31-36(27,28)35-37(29,30)32-2-5-8(22)10(24)14(26)34-5/h3-5,7-10,13-14,21-24,26H,1-2H2,(H,27,28)(H,29,30)(H3,16,18,19,25)/t4-,5-,7+,8-,9-,10-,13-,14+/m1/s1
InChIKeyJSQOXYZOPSTQIZ-NQRHNBEYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc2c(n1C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)O)O)O)O)O)N=C(NC2=O)N
CACTVS 3.341NC1=Nc2n(cnc2C(=O)N1)[C@@H]3O[C@H](CO[P@@](O)(=O)O[P@](O)(=O)OC[C@H]4O[C@H](O)[C@H](O)[C@@H]4O)[C@H](O)[C@H]3O
ACDLabs 10.04O=C4NC(=Nc1c4ncn1C2OC(C(O)C2O)COP(=O)(O)OP(=O)(O)OCC3OC(O)C(O)C3O)N
OpenEye OEToolkits 1.5.0c1nc2c(n1[C@H]3[C@@H]([C@H]([C@H](O3)CO[P@](=O)(O)O[P@@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@H](O4)O)O)O)O)O)N=C(NC2=O)N
CACTVS 3.341NC1=Nc2n(cnc2C(=O)N1)[CH]3O[CH](CO[P](O)(=O)O[P](O)(=O)OC[CH]4O[CH](O)[CH](O)[CH]4O)[CH](O)[CH]3O
FormulaC15 H23 N5 O15 P2
Name[(2R,3R,4R,5R)-5-(2-AMINO-6-OXO-1,6-DIHYDRO-9H-PURIN-9-YL)-3,4-DIHYDROXYTETRAHYDROFURAN-2-YL]METHYL [(2R,3S,4R,5S)-3,4,5-TRIHYDROXYTETRAHYDROFURAN-2-YL]METHYL DIHYDROGEN DIPHOSPHATE;
GUANOSINE DIPHOSPHORIBOSE
ChEMBL
DrugBank
ZINCZINC000058638482
PDB chain2i66 Chain B Residue 301 [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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PDB2i66 Structural basis for the mechanistic understanding of human CD38-controlled multiple catalysis.
Resolution1.7 Å
Binding residue
(original residue number in PDB)		W125 R127 E146 D155 W189 R212 T221
Binding residue
(residue number reindexed from 1)		W81 R83 E102 D111 W145 R168 T177
Annotation score3
Enzymatic activity
Catalytic site (original residue number in PDB) E146 T221 E226
Catalytic site (residue number reindexed from 1) E102 T177 E182
Enzyme Commision number 2.4.99.20: 2'-phospho-ADP-ribosyl cyclase/2'-phospho-cyclic-ADP-ribose transferase.
3.2.2.-
3.2.2.6: ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase.
Gene Ontology
Molecular Function
GO:0061809 NAD+ nucleotidase, cyclic ADP-ribose generating

View graph for
Molecular Function
External links
PDB RCSB:2i66, PDBe:2i66, PDBj:2i66
PDBsum2i66
PubMed16951430
UniProtP28907|CD38_HUMAN ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase 1 (Gene Name=CD38)

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