Structure of PDB 1bug Chain B

Receptor sequence
>1bugB (length=336) Species: 4120 (Ipomoea batatas) [Search protein sequence]
APIQAPEISKCVVPPADLPPGAVVDNCCPPVASNIVDYKLPAVTTMKVRP
AAHTMDKDAIAKFAKAVELMKALPADDPRNFYQQALVHCAYCNGGYDQVN
FPDQEIQVHNSWLFFPFHRWYLYFYERILGKLIGDPSFGLPFWNWDNPGG
MVLPDFLNDSTSSLYDSNRNQSHLPPVVVDLGYNGADTDVTDQQRITDNL
ALMYKQMVTNAGTAELFLGKAYRAGDAPSPGAGSIETSPHIPIHRWVGDP
RNTNNEDMGNFYSAGRDIAFYCHHSNVDRMWTIWQQLARDYTDSDWLNAT
FLFYDENGQAVKVRIGDSLDNQKMGYKYAKTPLPWL
3D structure
PDB1bug Crystal structure of a plant catechol oxidase containing a dicopper center.
ChainB
Resolution2.7 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) H88 H109 H118 H240 H244 F261 H274
Catalytic site (residue number reindexed from 1) H88 H109 H118 H240 H244 F261 H274
Enzyme Commision number 1.10.3.1: catechol oxidase.
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 CU B H88 H109 H118 H88 H109 H118
BS02 CU B H240 H244 H274 H240 H244 H274
BS03 URS B H88 H109 H240 H244 M258 N260 F261 H274 H88 H109 H240 H244 M258 N260 F261 H274
Gene Ontology
Molecular Function
GO:0004097 catechol oxidase activity
GO:0016491 oxidoreductase activity

View graph for
Molecular Function
External links
PDB RCSB:1bug, PDBe:1bug, PDBj:1bug
PDBsum1bug
PubMed9846879
UniProtQ9ZP19|PPO1_IPOBA Polyphenol oxidase I, chloroplastic (Gene Name=co-1)

[Back to BioLiP]