Structure of PDB 1b5q Chain B Binding Site BS01

Receptor Information
>1b5q Chain B (length=462) Species: 4577 (Zea mays) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PRVIVVGAGMSGISAAKRLSEAGITDLLILEATDHIGGRMHKTNFAGINV
ELGANWVEGVNGGKMNPIWPIVNSTLKLRNFRSDFDYLAQNVYKEDGGVY
DEDYVQKRIELADSVEEMGEKLSATLHASGRDDMSILAMQRLNEHQPNGP
ATPVDMVVDYYKFDYEFAEPPRVTSLQNTVPLATFSDFGDDVYFVADQRG
YEAVVYYLAGQYLKTDDKSGKIVDPRLQLNKVVREIKYSPGGVTVKTEDN
SVYSADYVMVSASLGVLQSDLIQFKPKLPTWKVRAIYQFDMAVYTKIFLK
FPRKFWPEGKGREFFLYASSRRGYYGVWQEFEKQYPDANVLLVTVTDEES
RRIEQQSDEQTKAEIMQVLRKMFPGKDVPDATDILVPRWWSDRFYKGTFS
NWPVGVNRYEYDQLRAPVGRVYFTGEHTSEHYNGYVHGAYLSGIDSAEIL
INCAQKKMCKYH
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 chain1b5q Chain B Residue 579 [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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PDB1b5q A 30-angstrom-long U-shaped catalytic tunnel in the crystal structure of polyamine oxidase.
Resolution1.9 Å
Binding residue
(original residue number in PDB)		V10 G11 S15 E35 A36 G42 R43 G57 A58 N59 W60 V237 Y298 Y399 T402 F403 G429 E430 Y439 V440 A443
Binding residue
(residue number reindexed from 1)		V6 G7 S11 E31 A32 G38 R39 G53 A54 N55 W56 V233 Y294 Y395 T398 F399 G425 E426 Y435 V436 A439
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) E62 D195 K300
Catalytic site (residue number reindexed from 1) E58 D191 K296
Enzyme Commision number 1.5.3.14: polyamine oxidase (propane-1,3-diamine-forming).
1.5.3.15: N(8)-acetylspermidine oxidase (propane-1,3-diamine-forming).
Gene Ontology
Molecular Function
GO:0016491 oxidoreductase activity
GO:0046592 polyamine oxidase activity
GO:0050660 flavin adenine dinucleotide binding
GO:0052897 N8-acetylspermidine:oxygen oxidoreductase (propane-1,3-diamine-forming) activity
GO:0052900 spermine oxidase (propane-1,3-diamine-forming) activity
Biological Process
GO:0006598 polyamine catabolic process
GO:0046208 spermine catabolic process
Cellular Component
GO:0009505 plant-type cell wall
GO:0048046 apoplast

View graph for
Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1b5q, PDBe:1b5q, PDBj:1b5q
PDBsum1b5q
PubMed10368296
UniProtO64411|PAO1_MAIZE Polyamine oxidase 1 (Gene Name=MPAO1)

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