Structure of PDB 1n68 Chain A

Receptor sequence
>1n68A (length=464) Species: 562 (Escherichia coli) [Search protein sequence]
ERPTLPIPDLLTTDARNRIQLTIGAGQSTFGGKTATTWGYNGNLLGPAVK
LQRGKAVTVDIYNQLTEETTLHWHGLEVPGEVDGGPQGIIPPGGKRSVTL
NVDQPAATCWFHPHQHGKTGRQVAMGLAGLVVIEDDEILKLMLPKQWGID
DVPVIVQDKKFSADGQIDYQLDVMTAAVGWFGDTLLTNGAIYPQHAAPRG
WLRLRLLNGCNARSLNFATSDNRPLYVIASDGGLLPEPVKVSELPVLMGE
RFEVLVEVNDNKPFDLVTLPVSQMGMAIAPFDKPHPVMRIQPIAISASGA
LPDTLSSLPALPSLEGLTVRKLQLSMDPMLDMMGMQMLMEKYGDQAMAGM
DFHHANKINGQAFDMNKPMFAAAKGQYERWVISGVGDMMLHPFHIHGTQF
RILSENGKPPAAHRAGWKDTVKVEGNVSEVLVKFNHDAPKEHAYMAHCHL
LEHEDTGMMLGFTV
3D structure
PDB1n68 A Labile Regulatory Copper Ion Lies Near the T1 Copper Site in the Multicopper Oxidase CueO.
ChainA
Resolution1.7 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H101 H103 H141 H143
Catalytic site (residue number reindexed from 1) H72 H74 H112 H114
Enzyme Commision number 1.16.3.4: cuproxidase.
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 A H443 C500 H505 H391 C448 H453
BS02 CU A H101 H446 H448 H72 H394 H396
BS03 CU A M355 D360 D439 M441 M326 D331 D387 M389
BS04 CU A D132 H488 D103 H436
BS05 C2C A H101 H103 H141 H143 H448 H499 H501 H72 H74 H112 H114 H396 H447 H449
Gene Ontology
Molecular Function
GO:0004322 ferroxidase activity
GO:0005507 copper ion binding
GO:0016491 oxidoreductase activity
GO:0016682 oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor
GO:0016722 oxidoreductase activity, acting on metal ions
GO:0016724 oxidoreductase activity, acting on metal ions, oxygen as acceptor
GO:0046872 metal ion binding
Biological Process
GO:0010273 detoxification of copper ion
GO:0046688 response to copper ion
Cellular Component
GO:0030288 outer membrane-bounded periplasmic space
GO:0042597 periplasmic space

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Cellular Component
External links
PDB RCSB:1n68, PDBe:1n68, PDBj:1n68
PDBsum1n68
PubMed12794077
UniProtP36649|CUEO_ECOLI Multicopper oxidase CueO (Gene Name=cueO)

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