Structure of PDB 3ri3 Chain A Binding Site BS01

Receptor Information
>3ri3 Chain A (length=256) Species: 1902 (Streptomyces coelicolor) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SEVALVTGATSGIGLEIARRLGKEGLRVFVCARGEEGLRTTLKELREAGV
EADGRTCDVRSVPEIEALVAAVVERYGPVDVLVNNAGRLGGGATAELADE
LWLDVVETNLTGVFRVTKQVLKAGGMLERGTGRIVNIASTGGKQGVVHAA
PYSASKHGVVGFTKALGLELARTGITVNAVCPGFVETPMAASVREHYSDI
WEVSTEEAFDRITARVPIGRYVQPSEVAEMVAYLIGPGAAAVTAQALNVC
GGLGNY
Ligand information
Ligand IDNDP
InChIInChI=1S/C21H30N7O17P3/c22-17-12-19(25-7-24-17)28(8-26-12)21-16(44-46(33,34)35)14(30)11(43-21)6-41-48(38,39)45-47(36,37)40-5-10-13(29)15(31)20(42-10)27-3-1-2-9(4-27)18(23)32/h1,3-4,7-8,10-11,13-16,20-21,29-31H,2,5-6H2,(H2,23,32)(H,36,37)(H,38,39)(H2,22,24,25)(H2,33,34,35)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1
InChIKeyACFIXJIJDZMPPO-NNYOXOHSSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[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)N5C=CCC(=C5)C(=O)N)O)O)O)OP(=O)(O)O)N
CACTVS 3.341NC(=O)C1=CN(C=CC1)[CH]2O[CH](CO[P](O)(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O[P](O)(O)=O)[CH]3O)n4cnc5c(N)ncnc45)[CH](O)[CH]2O
CACTVS 3.341NC(=O)C1=CN(C=CC1)[C@@H]2O[C@H](CO[P@@](O)(=O)O[P@](O)(=O)OC[C@H]3O[C@H]([C@H](O[P](O)(O)=O)[C@@H]3O)n4cnc5c(N)ncnc45)[C@@H](O)[C@H]2O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)N5C=CCC(=C5)C(=O)N)O)O)O)OP(=O)(O)O)N
FormulaC21 H30 N7 O17 P3
NameNADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
ChEMBLCHEMBL407009
DrugBankDB02338
ZINCZINC000008215411
PDB chain3ri3 Chain A 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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PDB3ri3 Structural and Biochemical Analyses of Regio- and Stereospecificities Observed in a Type II Polyketide Ketoreductase.
Resolution2.292 Å
Binding residue
(original residue number in PDB)		G13 T15 S16 G17 I18 A37 R38 G39 C62 D63 V64 N90 A91 S144 Y157 K161 P187 G188 V190 T192 M194
Binding residue
(residue number reindexed from 1)		G8 T10 S11 G12 I13 A32 R33 G34 C57 D58 V59 N85 A86 S139 Y152 K156 P182 G183 V185 T187 M189
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) G17 N114 S144 Y157 K161 Y202
Catalytic site (residue number reindexed from 1) G12 N109 S139 Y152 K156 Y197
Enzyme Commision number 1.3.1.-
Gene Ontology
Molecular Function
GO:0016491 oxidoreductase activity
Biological Process
GO:0008202 steroid metabolic process
GO:0017000 antibiotic biosynthetic process

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Molecular Function
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Biological Process
External links
PDB RCSB:3ri3, PDBe:3ri3, PDBj:3ri3
PDBsum3ri3
PubMed21506596
UniProtP16544|ACT3_STRCO Putative ketoacyl reductase (Gene Name=actIII)

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