Structure of PDB 1pk7 Chain B Binding Site BS02

Receptor Information
>1pk7 Chain B (length=237) Species: 83334 (Escherichia coli O157:H7) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ATPHINAEMGDFADVVLMPGDPLRAKYIAETFLEDAREVNNVRGMLGFTG
TYKGRKISVMGHGMGIPSCSIYTKELITDFGVKKIIRVGSCGAVLPHVKL
RDVVIGMGACTDSKVNRIRFKDHDFAAIADFDMVRNAVDAAKALGIDARV
GNLFSADLFYSPDGEMFDVMEKYGILGVEMEAAGIYGVAAEFGAKALTIC
TVSDHIRTHEQTTAAERQTTFNDMIKIALESVLLGDK
Ligand information
Ligand IDADN
InChIInChI=1S/C10H13N5O4/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(18)6(17)4(1-16)19-10/h2-4,6-7,10,16-18H,1H2,(H2,11,12,13)/t4-,6-,7-,10-/m1/s1
InChIKeyOIRDTQYFTABQOQ-KQYNXXCUSA-N
SMILES
SoftwareSMILES
CACTVS 3.341Nc1ncnc2n(cnc12)[CH]3O[CH](CO)[CH](O)[CH]3O
ACDLabs 10.04n2c1c(ncnc1n(c2)C3OC(C(O)C3O)CO)N
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO)O)O)N
CACTVS 3.341Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO)[C@@H](O)[C@H]3O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)CO)O)O)N
FormulaC10 H13 N5 O4
NameADENOSINE
ChEMBLCHEMBL477
DrugBankDB00640
ZINCZINC000002169830
PDB chain1pk7 Chain B Residue 1246 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1pk7 Structural basis for substrate specificity of Escherichia coli purine nucleoside phosphorylase.
Resolution2.5 Å
Binding residue
(original residue number in PDB)		C91 G92 F159 V178 E179 M180
Binding residue
(residue number reindexed from 1)		C91 G92 F159 V178 E179 M180
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H4 G20 R24 R43 E75 R87 S90 S203 D204 I206 R217
Catalytic site (residue number reindexed from 1) H4 G20 R24 R43 E75 R87 S90 S203 D204 I206 R217
Enzyme Commision number 2.4.2.1: purine-nucleoside phosphorylase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004731 purine-nucleoside phosphorylase activity
GO:0016757 glycosyltransferase activity
GO:0016763 pentosyltransferase activity
Biological Process
GO:0006139 nucleobase-containing compound metabolic process
GO:0006152 purine nucleoside catabolic process
GO:0009116 nucleoside metabolic process
GO:0009164 nucleoside catabolic process
GO:0042278 purine nucleoside metabolic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1pk7, PDBe:1pk7, PDBj:1pk7
PDBsum1pk7
PubMed12937174
UniProtP0ABP9|DEOD_ECO57 Purine nucleoside phosphorylase DeoD-type (Gene Name=deoD)

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