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PDBsum entry 8f6c
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protein ligands metals Protein-protein interface(s) links
Proton transport PDB id
8f6c

 

 

 

 

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Contents
Protein chains
658 a.a.
260 a.a.
184 a.a.
96 a.a.
Ligands
HEM ×2
HEO ×2
3PE ×6
Metals
_CU ×2
PDB id:
8f6c
Name: Proton transport
Title: E. Coli cytochrome bo3 ubiquinol oxidase dimer
Structure: Cytochrome bo(3) ubiquinol oxidase subunit 1. Chain: a, e. Synonym: cytochrome b562-o complex subunit i,cytochrome o ubiquinol oxidase subunit 1,cytochrome o subunit 1,oxidase bo(3) subunit 1, ubiquinol oxidase chain a,ubiquinol oxidase polypeptide i,ubiquinol oxidase subunit 1. Engineered: yes. Cytochrome bo(3) ubiquinol oxidase subunit 2. Chain: b, f.
Source: Escherichia coli. Organism_taxid: 562. Gene: cyob, b0431, jw0421. Expressed in: escherichia coli. Expression_system_taxid: 562. Gene: cyoa, b0432, jw0422. Gene: cyoc, b0430, jw0420. Gene: cyod, b0429, jw0419. Expression_system_taxid: 562
Authors: Y.Guo,E.Karimullina,D.Borek,A.Savchenko,Center For Structural Biology Of Infectious Diseases (Csbid)
Key ref: Y.Guo et al. Monomer and dimer structures of cytochrome bo 3 ubiqu oxidase from escherichia coli.. Protein sci, . PubMed id: 36880269
Date:
16-Nov-22     Release date:   30-Nov-22    
PROCHECK
Go to PROCHECK summary
 Headers
 References

Protein chains
Pfam   ArchSchema ?
P0ABI8  (CYOB_ECOLI) -  Cytochrome bo(3) ubiquinol oxidase subunit 1 from Escherichia coli (strain K12)
Seq:
Struc: 		 
Seq:
Struc: 		663 a.a.
658 a.a.
Protein chains
Pfam   ArchSchema ?
P0ABJ1  (CYOA_ECOLI) -  Cytochrome bo(3) ubiquinol oxidase subunit 2 from Escherichia coli (strain K12)
Seq:
Struc: 		315 a.a.
260 a.a.
Protein chains
Pfam   ArchSchema ?
P0ABJ3  (CYOC_ECOLI) -  Cytochrome bo(3) ubiquinol oxidase subunit 3 from Escherichia coli (strain K12)
Seq:
Struc: 		204 a.a.
184 a.a.
Protein chains
Pfam   ArchSchema ?
P0ABJ6  (CYOD_ECOLI) -  Cytochrome bo(3) ubiquinol oxidase subunit 4 from Escherichia coli (strain K12)
Seq:
Struc: 		109 a.a.
96 a.a.
Key:    PfamA domain  Secondary structure

 Enzyme reactions 
   Enzyme class: Chains A, E: E.C.7.1.1.3  - ubiquinol oxidase (H(+)-transporting).
[IntEnz]   [ExPASy]   [KEGG]   [BRENDA]
      Reaction: 2 a ubiquinol + O2 + n H+(in) = 2 a ubiquinone + 2 H2O + n H+(out)
2 × a ubiquinol
 + O2
 + n H(+)(in)
 = 2 × a ubiquinone
 + 2 × H2O
 + n H(+)(out)
      Cofactor: Cu cation; Heme
Cu cation
Heme
Bound ligand (Het Group name = HEM) matches with 95.45% similarity
Molecule diagrams generated from .mol files obtained from the KEGG ftp site

 

 

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