Structure of PDB 1pxa Chain A Binding Site BS01

Receptor Information
>1pxa Chain A (length=394) Species: 287 (Pseudomonas aeruginosa) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MKTQVAIIGAGPSGLLLGQLLHKAGIDNVILERQTPDYVLGRIRAGVLEQ
GMVDLLREAGVDRRMARDGLVHEGVEIAFAGQRRRIDLKRLSGGKTVTVY
GQTEVTRDLMEAREACGATTVYQAAEVRLHDLQGERPYVTFERDGERLRL
DCDYIAGCDGFHGISRQSIPAERLKVFERVYPFGWLGLLADTPPVSHELI
YANHPRGFALCSQRSATRSRYYVQVPLSEKVEDWSDERFWTELKARLPSE
VAEKLVTGPSLEKSIAPLRSFVVEPMQHGRLFLAGDAAHIVPPTGAKGLD
LAASDVSTLYRLLLKAYREGRGELLERYSAICLRRIWKAERFSWWMTSVL
HRFPDTDAFSQRIQQTELEYYLGSEAGLATIAENYVGLPYEEIE
Ligand information
Ligand IDFAD
InChIInChI=1S/C27H33N9O15P2/c1-10-3-12-13(4-11(10)2)35(24-18(32-12)25(42)34-27(43)33-24)5-14(37)19(39)15(38)6-48-52(44,45)51-53(46,47)49-7-16-20(40)21(41)26(50-16)36-9-31-17-22(28)29-8-30-23(17)36/h3-4,8-9,14-16,19-21,26,37-41H,5-7H2,1-2H3,(H,44,45)(H,46,47)(H2,28,29,30)(H,34,42,43)/t14-,15+,16+,19-,20+,21+,26+/m0/s1
InChIKeyVWWQXMAJTJZDQX-UYBVJOGSSA-N
SMILES
SoftwareSMILES
CACTVS 3.341Cc1cc2N=C3C(=O)NC(=O)N=C3N(C[C@H](O)[C@H](O)[C@H](O)CO[P@](O)(=O)O[P@@](O)(=O)OC[C@H]4O[C@H]([C@H](O)[C@@H]4O)n5cnc6c(N)ncnc56)c2cc1C
OpenEye OEToolkits 1.5.0Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)CC(C(C(COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)n5cnc6c5ncnc6N)O)O)O)O)O
OpenEye OEToolkits 1.5.0Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)C[C@@H]([C@@H]([C@@H](CO[P@@](=O)(O)O[P@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)n5cnc6c5ncnc6N)O)O)O)O)O
CACTVS 3.341Cc1cc2N=C3C(=O)NC(=O)N=C3N(C[CH](O)[CH](O)[CH](O)CO[P](O)(=O)O[P](O)(=O)OC[CH]4O[CH]([CH](O)[CH]4O)n5cnc6c(N)ncnc56)c2cc1C
ACDLabs 10.04O=C2C3=Nc1cc(c(cc1N(C3=NC(=O)N2)CC(O)C(O)C(O)COP(=O)(O)OP(=O)(O)OCC6OC(n5cnc4c(ncnc45)N)C(O)C6O)C)C
FormulaC27 H33 N9 O15 P2
NameFLAVIN-ADENINE DINUCLEOTIDE
ChEMBLCHEMBL1232653
DrugBankDB03147
ZINCZINC000008215434
PDB chain1pxa Chain A Residue 395 [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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PDB1pxa Crystal structures of mutant Pseudomonas aeruginosa p-hydroxybenzoate hydroxylases: the Tyr201Phe, Tyr385Phe, and Asn300Asp variants.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		I8 P12 S13 E32 R33 R42 R44 A45 V47 Q102 D159 D286 P293 A296 G298 L299
Binding residue
(residue number reindexed from 1)		I8 P12 S13 E32 R33 R42 R44 A45 V47 Q102 D159 D286 P293 A296 G298 L299
Annotation score2
Enzymatic activity
Catalytic site (original residue number in PDB) H72 Y201 P293 K297 Y385
Catalytic site (residue number reindexed from 1) H72 Y201 P293 K297 Y385
Enzyme Commision number 1.14.13.2: 4-hydroxybenzoate 3-monooxygenase.
Gene Ontology
Molecular Function
GO:0004497 monooxygenase activity
GO:0016491 oxidoreductase activity
GO:0016709 oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of one atom of oxygen
GO:0018659 4-hydroxybenzoate 3-monooxygenase activity
GO:0050660 flavin adenine dinucleotide binding
GO:0071949 FAD binding
GO:0106356 4-hydroxybenzoate 3-monooxygenase (NADPH) activity
Biological Process
GO:0009056 catabolic process
GO:0043639 benzoate catabolic process
GO:0043640 benzoate catabolic process via hydroxylation

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:1pxa, PDBe:1pxa, PDBj:1pxa
PDBsum1pxa
PubMed8312276
UniProtP20586|PHHY_PSEAE p-hydroxybenzoate hydroxylase (Gene Name=pobA)

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