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PDBsum entry 6zfs

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protein ligands Protein-protein interface(s) links
Electron transport PDB id
6zfs

 

 

 

 

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Contents
Protein chains
441 a.a.
415 a.a.
378 a.a.
239 a.a.
195 a.a.
99 a.a.
75 a.a.
64 a.a.
46 a.a.
59 a.a.
Ligands
6PE
PO4 ×7
CDL ×5
HEM ×2
LMT
PG4
PEE ×2
JGW
HEC
FES
PX4
Waters ×36
PDB id:
6zfs
Name: Electron transport
Title: Crystal structure of bovine cytochrome bc1 in complex with quinolone inhibitor wdh-1u-4
Structure: Cytochrome b-c1 complex subunit 1, mitochondrial. Chain: a. Synonym: complex iii subunit 1,core protein i,ubiquinol-cytochromE-C reductase complex core protein 1. Cytochrome b-c1 complex subunit 2, mitochondrial. Chain: b. Synonym: complex iii subunit 2,core protein ii,ubiquinol-cytochromE-C reductase complex core protein 2. Cytochrome b.
Source: Bos taurus. Cattle. Organism_taxid: 9913. Organism_taxid: 9913
Resolution:
3.50Å     R-factor:   0.219     R-free:   0.246
Authors: K.Amporndanai,P.M.O'Neill,W.D.Hong,R.K.Amewu,C.Pidathala,N.G.Berry, G.A.Biagini,S.C.Leung,S.S.Hasnain,S.V.Antonyuk
Key ref: K.Amporndanai et al. Targeting the ubiquinol-Reduction (qi) site of the mitochondrial cytochrome bc1 complex for the developm next generation quinolone antimalarials. To be published, .
Date:
17-Jun-20     Release date:   30-Jun-21    
PROCHECK
Go to PROCHECK summary
 Headers
 References

Protein chain
Pfam   ArchSchema ?
P31800  (QCR1_BOVIN) -  Cytochrome b-c1 complex subunit 1, mitochondrial from Bos taurus
Seq:
Struc:
480 a.a.
441 a.a.*
Protein chain
Pfam   ArchSchema ?
P23004  (QCR2_BOVIN) -  Cytochrome b-c1 complex subunit 2, mitochondrial from Bos taurus
Seq:
Struc:
453 a.a.
415 a.a.
Protein chain
Pfam   ArchSchema ?
P00157  (CYB_BOVIN) -  Cytochrome b from Bos taurus
Seq:
Struc:
379 a.a.
378 a.a.
Protein chain
Pfam   ArchSchema ?
P00125  (CY1_BOVIN) -  Cytochrome c1, heme protein, mitochondrial from Bos taurus
Seq:
Struc:
325 a.a.
239 a.a.
Protein chain
Pfam   ArchSchema ?
P13272  (UCRI_BOVIN) -  Cytochrome b-c1 complex subunit Rieske, mitochondrial from Bos taurus
Seq:
Struc:
274 a.a.
195 a.a.
Protein chain
Pfam   ArchSchema ?
P00129  (QCR7_BOVIN) -  Cytochrome b-c1 complex subunit 7 from Bos taurus
Seq:
Struc:
111 a.a.
99 a.a.
Protein chain
Pfam   ArchSchema ?
P13271  (QCR8_BOVIN) -  Cytochrome b-c1 complex subunit 8 from Bos taurus
Seq:
Struc:
82 a.a.
75 a.a.
Protein chain
Pfam   ArchSchema ?
P00126  (QCR6_BOVIN) -  Cytochrome b-c1 complex subunit 6, mitochondrial from Bos taurus
Seq:
Struc:
91 a.a.
64 a.a.
Protein chain
Pfam   ArchSchema ?
P13272  (UCRI_BOVIN) -  Cytochrome b-c1 complex subunit Rieske, mitochondrial from Bos taurus
Seq:
Struc:
274 a.a.
46 a.a.
Protein chain
Pfam   ArchSchema ?
P00130  (QCR9_BOVIN) -  Cytochrome b-c1 complex subunit 9 from Bos taurus
Seq:
Struc:
64 a.a.
59 a.a.
Key:    PfamA domain  Secondary structure
* PDB and UniProt seqs differ at 2 residue positions (black crosses)

 Enzyme reactions 
   Enzyme class 2: Chains A, B, C, F, G, H, J: E.C.?
[IntEnz]   [ExPASy]   [KEGG]   [BRENDA]
   Enzyme class 3: Chains D, E, I: E.C.7.1.1.8  - quinol--cytochrome-c reductase.
[IntEnz]   [ExPASy]   [KEGG]   [BRENDA]
      Reaction: a quinol + 2 Fe(III)-[cytochrome c](out) = a quinone + 2 Fe(II)- [cytochrome c](out) + 2 H(+)(out)
quinol
+ 2 × Fe(III)-[cytochrome c](out)
= quinone
+ 2 × Fe(II)- [cytochrome c](out)
+ 2 × H(+)(out)
Note, where more than one E.C. class is given (as above), each may correspond to a different protein domain or, in the case of polyprotein precursors, to a different mature protein.
Molecule diagrams generated from .mol files obtained from the KEGG ftp site

 

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