Structure of PDB 1b37 Chain B

Receptor sequence
>1b37B (length=462) Species: 4577 (Zea mays) [Search protein sequence]
PRVIVVGAGMSGISAAKRLSEAGITDLLILEATDHIGGRMHKTNFAGINV
ELGANWVEGVNGGKMNPIWPIVNSTLKLRNFRSDFDYLAQNVYKEDGGVY
DEDYVQKRIELADSVEEMGEKLSATLHASGRDDMSILAMQRLNEHQPNGP
ATPVDMVVDYYKFDYEFAEPPRVTSLQNTVPLATFSDFGDDVYFVADQRG
YEAVVYYLAGQYLKTDDKSGKIVDPRLQLNKVVREIKYSPGGVTVKTEDN
SVYSADYVMVSASLGVLQSDLIQFKPKLPTWKVRAIYQFDMAVYTKIFLK
FPRKFWPEGKGREFFLYASSRRGYYGVWQEFEKQYPDANVLLVTVTDEES
RRIEQQSDEQTKAEIMQVLRKMFPGKDVPDATDILVPRWWSDRFYKGTFS
NWPVGVNRYEYDQLRAPVGRVYFTGEHTSEHYNGYVHGAYLSGIDSAEIL
INCAQKKMCKYH
3D structure
PDB1b37 A 30-angstrom-long U-shaped catalytic tunnel in the crystal structure of polyamine oxidase.
ChainB
Resolution1.9 Å
3D
structure
Catalytic site residues are labeled in the structure
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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).
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 FAD B V10 G11 S15 E35 A36 G42 R43 G57 A58 N59 W60 V237 Y298 Y399 T402 F403 G429 E430 Y439 V440 A443 V6 G7 S11 E31 A32 G38 R39 G53 A54 N55 W56 V233 Y294 Y395 T398 F399 G425 E426 Y435 V436 A439
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

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1b37, PDBe:1b37, PDBj:1b37
PDBsum1b37
PubMed10368296
UniProtO64411|PAO1_MAIZE Polyamine oxidase 1 (Gene Name=MPAO1)

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