Structure of PDB 8qqk Chain A Binding Site BS03

Receptor Information
>8qqk Chain A (length=661) Species: 469008 (Escherichia coli BL21(DE3)) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MFGKLSLDAVPFHEPIVMVTIAGIILGGLALVGLITYFGKWTYLWKEWLT
SVDHKRLGIMYIIVAIVMLLRGFADAIMMRSQQALASAGEAGFLPPHHYD
QIFTAHGVIMIFFVAMPFVIGLMNLVVPLQIGARDVAFPFLNNLSFWFTV
VGVILVNVSLGVGEFAQTGWLAYPPLSGIEYSPGVGVDYWIWSLQLSGIG
TTLTGINFFVTILKMRAPGMTMFKMPVFTWASLCANVLIIASFPILTVTV
ALLTLDRYLGTHFFTNDMGGNMMMYINLIWAWGHPEVYILILPVFGVFSE
IAATFSRKRLFGYTSLVWATVCITVLSFIVWLHHFFTMGAGANVNAFFGI
TTMIIAIPTGVKIFNWLFTMYQGRIVFHSAMLWTIGFIVTFSVGGMTGVL
LAVPGADFVLHNSLFLIAHFHNVIIGGVVFGCFAGMTYWWPKAFGFKLNE
TWGKRAFWFWIIGFFVAFMPLYALGFMGMTRRLSQQIDPQFHTMLMIAAS
GAVLIALGILCLVIQMYVSIRDRDQNRDLTGDPWGGRTLEWATSSPPPFY
NFAVVPHVHERDAFWEMKEKGEAYKKPDHYEEIHMPKNSGAGIVIAAFST
IFGFAMIWHIWWLAIVGFAGMIITWIVKSFDEDVDYYVPVAEIEKLENQH
FDEITKAGLKN
Ligand information
Ligand IDCU
InChIInChI=1S/Cu/q+2
InChIKeyJPVYNHNXODAKFH-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Cu+2]
CACTVS 3.341[Cu++]
FormulaCu
NameCOPPER (II) ION
ChEMBL
DrugBankDB14552
ZINC
PDB chain8qqk Chain A Residue 707 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB8qqk Cryo-EM structure of cytochrome bo 3 quinol oxidase assembled in peptidiscs reveals an "open" conformation for potential ubiquinone-8 release.
Resolution2.8 Å
Binding residue
(original residue number in PDB)		H284 H333 H334
Binding residue
(residue number reindexed from 1)		H284 H333 H334
Annotation score1
Enzymatic activity
Enzyme Commision number 7.1.1.3: ubiquinol oxidase (H(+)-transporting).
Gene Ontology
Molecular Function
GO:0004129 cytochrome-c oxidase activity
GO:0005507 copper ion binding
GO:0005515 protein binding
GO:0009055 electron transfer activity
GO:0009486 cytochrome bo3 ubiquinol oxidase activity
GO:0015078 proton transmembrane transporter activity
GO:0015453 oxidoreduction-driven active transmembrane transporter activity
GO:0016682 oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor
GO:0020037 heme binding
GO:0046872 metal ion binding
GO:0048039 ubiquinone binding
Biological Process
GO:0009060 aerobic respiration
GO:0015990 electron transport coupled proton transport
GO:0019646 aerobic electron transport chain
GO:0022904 respiratory electron transport chain
GO:1902600 proton transmembrane transport
Cellular Component
GO:0005886 plasma membrane
GO:0009319 cytochrome o ubiquinol oxidase complex
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:8qqk, PDBe:8qqk, PDBj:8qqk
PDBsum8qqk
PubMed38614453
UniProtP0ABI8|CYOB_ECOLI Cytochrome bo(3) ubiquinol oxidase subunit 1 (Gene Name=cyoB)

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