Logo
Information on 1kyo
PDB: 1kyo
Compound: ubiquinol-cytochrome c reductase complex core prot
Classification: OXIDOREDUCTASE/ELECTRON TRANSPORT
Entry date in PDB: 2002-03-06
Resolution [Å]: 2.97
R-Factor: 0.229


CHAIN: A
SWISS-PROT/TREMBL: P07256
   KEYWORD: 3D-structure    Electron transport    Inner membrane    Mitochondrion    Oxidoreductase    Respiratory chain    Transit peptide   
EC: 1.10.2.2
SCOP: d.185.1.1 Alpha and beta proteins (a+b)    LuxS/MPP-like metallohydrolase    LuxS/MPP-like metallohydrolase    MPP-like    Cytochrome bc1 core subunit 1    Baker's yeast (Saccharomyces cerevisiae)
SCOP: d.185.1.1 Alpha and beta proteins (a+b)    LuxS/MPP-like metallohydrolase    LuxS/MPP-like metallohydrolase    MPP-like    Cytochrome bc1 core subunit 1    Baker's yeast (Saccharomyces cerevisiae)
GO:  


CHAIN: B
SWISS-PROT/TREMBL: P07257
   KEYWORD: 3D-structure    Electron transport    Inner membrane    Mitochondrion    Oxidoreductase    Respiratory chain    Transit peptide   
EC: 1.10.2.2
SCOP: d.185.1.1 Alpha and beta proteins (a+b)    LuxS/MPP-like metallohydrolase    LuxS/MPP-like metallohydrolase    MPP-like    Cytochrome bc1 core subunit 2    Baker's yeast (Saccharomyces cerevisiae)
SCOP: d.185.1.1 Alpha and beta proteins (a+b)    LuxS/MPP-like metallohydrolase    LuxS/MPP-like metallohydrolase    MPP-like    Cytochrome bc1 core subunit 2    Baker's yeast (Saccharomyces cerevisiae)
GO:  metalloendopeptidase activity    proteolysis and peptidolysis   


CHAIN: C
SWISS-PROT/TREMBL: P00163
   KEYWORD: 3D-structure    Electron transport    Heme    Mitochondrion    Respiratory chain    Transmembrane   
SCOP: f.32.1.1 Membrane and cell surface proteins and peptides    a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Mitochondrial cytochrome b subunit, C-terminal domain    Baker's yeast (Saccharomyces cerevisiae)
SCOP: f.21.1.2 Membrane and cell surface proteins and peptides    Heme-binding four-helical bundle    Transmembrane di-heme cytochromes    Cytochrome b of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Mitochondrial cytochrome b subunit, N-terminal domain    Baker's yeast (Saccharomyces cerevisiae)
GO:  membrane    oxidoreductase activity    electron transport   


CHAIN: D
SWISS-PROT/TREMBL: P07143
   KEYWORD: 3D-structure    Electron transport    Heme    Mitochondrion    Respiratory chain    Transit peptide    Transmembrane   
SCOP: a.3.1.3 All alpha proteins    Cytochrome c    Cytochrome c    Cytochrome bc1 domain    Cytochrome bc1 domain    Baker's yeast (Saccharomyces cerevisiae)
SCOP: f.23.11.1 Membrane and cell surface proteins and peptides    Single transmembrane helix    Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor    Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor    Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor    Baker's yeast (Saccharomyces cerevisiae)
GO:  mitochondrial electron transport chain    electron transporter activity    heme binding    electron transport   


CHAIN: E
SWISS-PROT/TREMBL: P08067
   KEYWORD: 2Fe-2S    3D-structure    Electron transport    Inner membrane    Iron    Iron-sulfur    Metal-binding    Mitochondrion    Oxidoreductase    Respiratory chain    Transit peptide    Transmembrane   
EC: 1.10.2.2
SCOP: b.33.1.1 All beta proteins    ISP domain    ISP domain    Rieske iron-sulfur protein (ISP)    ISP subunit of the mitochondrial cytochrome bc1-complex, water-soluble domain    Baker's yeast (Saccharomyces cerevisiae)
SCOP: f.23.12.1 Membrane and cell surface proteins and peptides    Single transmembrane helix    ISP transmembrane anchor    ISP transmembrane anchor    Iron-sulfur subunit (ISP) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane region    Baker's yeast (Saccharomyces cerevisiae)
GO:  membrane    ubiquinol-cytochrome-c reductase complex    ubiquinol-cytochrome-c reductase complex (sensu Eukaryota)    oxidoreductase activity    ubiquinol-cytochrome-c reductase activity    electron transport   


CHAIN: F
SWISS-PROT/TREMBL: P00127
   KEYWORD: 3D-structure    Electron transport    Inner membrane    Mitochondrion    Oxidoreductase    Respiratory chain   
EC: 1.10.2.2
SCOP: f.28.1.1 Membrane and cell surface proteins and peptides    Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Baker's yeast (Saccharomyces cerevisiae)
GO:  


CHAIN: G
SWISS-PROT/TREMBL: P00128
   KEYWORD: 3D-structure    Electron transport    Inner membrane    Mitochondrion    Oxidoreductase    Respiratory chain   
EC: 1.10.2.2
SCOP: f.27.1.1 Membrane and cell surface proteins and peptides    14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Baker's yeast (Saccharomyces cerevisiae)
GO:  ubiquinol-cytochrome-c reductase activity    electron transport    mitochondrial electron transport, ubiquinol to cytochrome c   


CHAIN: H
SWISS-PROT/TREMBL: P08525
   KEYWORD: 3D-structure    Electron transport    Inner membrane    Mitochondrion    Oxidoreductase    Respiratory chain   
EC: 1.10.2.2
SCOP: f.23.13.1 Membrane and cell surface proteins and peptides    Single transmembrane helix    Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Baker's yeast (Saccharomyces cerevisiae)
GO:  ubiquinol-cytochrome-c reductase complex (sensu Eukaryota)    ubiquinol-cytochrome-c reductase activity    electron transport   


CHAIN: I
SWISS-PROT/TREMBL: P22289
   KEYWORD: 3D-structure    Electron transport    Inner membrane    Mitochondrion    Oxidoreductase    Respiratory chain    Transmembrane   
EC: 1.10.2.2
SCOP: f.23.14.1 Membrane and cell surface proteins and peptides    Single transmembrane helix    Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Baker's yeast (Saccharomyces cerevisiae)
GO:  mitochondrial membrane    ubiquinol-cytochrome-c reductase activity    mitochondrial electron transport, ubiquinol to cytochrome c   


CHAIN: L
SWISS-PROT/TREMBL: P07256
   KEYWORD: 3D-structure    Electron transport    Inner membrane    Mitochondrion    Oxidoreductase    Respiratory chain    Transit peptide   
EC: 1.10.2.2
SCOP: d.185.1.1 Alpha and beta proteins (a+b)    LuxS/MPP-like metallohydrolase    LuxS/MPP-like metallohydrolase    MPP-like    Cytochrome bc1 core subunit 1    Baker's yeast (Saccharomyces cerevisiae)
SCOP: d.185.1.1 Alpha and beta proteins (a+b)    LuxS/MPP-like metallohydrolase    LuxS/MPP-like metallohydrolase    MPP-like    Cytochrome bc1 core subunit 1    Baker's yeast (Saccharomyces cerevisiae)
GO:  


CHAIN: M
SWISS-PROT/TREMBL: P07257
   KEYWORD: 3D-structure    Electron transport    Inner membrane    Mitochondrion    Oxidoreductase    Respiratory chain    Transit peptide   
EC: 1.10.2.2
SCOP: d.185.1.1 Alpha and beta proteins (a+b)    LuxS/MPP-like metallohydrolase    LuxS/MPP-like metallohydrolase    MPP-like    Cytochrome bc1 core subunit 2    Baker's yeast (Saccharomyces cerevisiae)
SCOP: d.185.1.1 Alpha and beta proteins (a+b)    LuxS/MPP-like metallohydrolase    LuxS/MPP-like metallohydrolase    MPP-like    Cytochrome bc1 core subunit 2    Baker's yeast (Saccharomyces cerevisiae)
GO:  metalloendopeptidase activity    proteolysis and peptidolysis   


CHAIN: N
SWISS-PROT/TREMBL: P00163
   KEYWORD: 3D-structure    Electron transport    Heme    Mitochondrion    Respiratory chain    Transmembrane   
SCOP: f.32.1.1 Membrane and cell surface proteins and peptides    a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Mitochondrial cytochrome b subunit, C-terminal domain    Baker's yeast (Saccharomyces cerevisiae)
SCOP: f.21.1.2 Membrane and cell surface proteins and peptides    Heme-binding four-helical bundle    Transmembrane di-heme cytochromes    Cytochrome b of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Mitochondrial cytochrome b subunit, N-terminal domain    Baker's yeast (Saccharomyces cerevisiae)
GO:  membrane    oxidoreductase activity    electron transport   


CHAIN: O
SWISS-PROT/TREMBL: P07143
   KEYWORD: 3D-structure    Electron transport    Heme    Mitochondrion    Respiratory chain    Transit peptide    Transmembrane   
SCOP: a.3.1.3 All alpha proteins    Cytochrome c    Cytochrome c    Cytochrome bc1 domain    Cytochrome bc1 domain    Baker's yeast (Saccharomyces cerevisiae)
SCOP: f.23.11.1 Membrane and cell surface proteins and peptides    Single transmembrane helix    Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor    Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor    Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor    Baker's yeast (Saccharomyces cerevisiae)
GO:  mitochondrial electron transport chain    electron transporter activity    heme binding    electron transport   


CHAIN: P
SWISS-PROT/TREMBL: P08067
   KEYWORD: 2Fe-2S    3D-structure    Electron transport    Inner membrane    Iron    Iron-sulfur    Metal-binding    Mitochondrion    Oxidoreductase    Respiratory chain    Transit peptide    Transmembrane   
EC: 1.10.2.2
SCOP: b.33.1.1 All beta proteins    ISP domain    ISP domain    Rieske iron-sulfur protein (ISP)    ISP subunit of the mitochondrial cytochrome bc1-complex, water-soluble domain    Baker's yeast (Saccharomyces cerevisiae)
SCOP: f.23.12.1 Membrane and cell surface proteins and peptides    Single transmembrane helix    ISP transmembrane anchor    ISP transmembrane anchor    Iron-sulfur subunit (ISP) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane region    Baker's yeast (Saccharomyces cerevisiae)
GO:  membrane    ubiquinol-cytochrome-c reductase complex    ubiquinol-cytochrome-c reductase complex (sensu Eukaryota)    oxidoreductase activity    ubiquinol-cytochrome-c reductase activity    electron transport   


CHAIN: Q
SWISS-PROT/TREMBL: P00127
   KEYWORD: 3D-structure    Electron transport    Inner membrane    Mitochondrion    Oxidoreductase    Respiratory chain   
EC: 1.10.2.2
SCOP: f.28.1.1 Membrane and cell surface proteins and peptides    Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Non-heme 11 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Baker's yeast (Saccharomyces cerevisiae)
GO:  


CHAIN: R
SWISS-PROT/TREMBL: P00128
   KEYWORD: 3D-structure    Electron transport    Inner membrane    Mitochondrion    Oxidoreductase    Respiratory chain   
EC: 1.10.2.2
SCOP: f.27.1.1 Membrane and cell surface proteins and peptides    14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    14 kDa protein of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Baker's yeast (Saccharomyces cerevisiae)
GO:  ubiquinol-cytochrome-c reductase activity    electron transport    mitochondrial electron transport, ubiquinol to cytochrome c   


CHAIN: S
SWISS-PROT/TREMBL: P08525
   KEYWORD: 3D-structure    Electron transport    Inner membrane    Mitochondrion    Oxidoreductase    Respiratory chain   
EC: 1.10.2.2
SCOP: f.23.13.1 Membrane and cell surface proteins and peptides    Single transmembrane helix    Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Baker's yeast (Saccharomyces cerevisiae)
GO:  ubiquinol-cytochrome-c reductase complex (sensu Eukaryota)    ubiquinol-cytochrome-c reductase activity    electron transport   


CHAIN: T
SWISS-PROT/TREMBL: P22289
   KEYWORD: 3D-structure    Electron transport    Inner membrane    Mitochondrion    Oxidoreductase    Respiratory chain    Transmembrane   
EC: 1.10.2.2
SCOP: f.23.14.1 Membrane and cell surface proteins and peptides    Single transmembrane helix    Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase)    Baker's yeast (Saccharomyces cerevisiae)
GO:  mitochondrial membrane    ubiquinol-cytochrome-c reductase activity    mitochondrial electron transport, ubiquinol to cytochrome c   


CHAIN: W
SWISS-PROT/TREMBL: P00044
   KEYWORD: 3D-structure    Electron transport    Heme    Methylation    Mitochondrion    Respiratory chain   
SCOP: a.3.1.1 All alpha proteins    Cytochrome c    Cytochrome c    monodomain cytochrome c    Mitochondrial cytochrome c    Baker's yeast (Saccharomyces cerevisiae)
GO:  electron transporter activity    heme binding    electron transport   
1kyo Image
Image Source: PDB
Homologous structures to 1kyo classified in ArchDB

1a0q L - percentage of sequence identity: 65
1a7q L - percentage of sequence identity: 60
1ad0 A - percentage of sequence identity: 65
1ay1 H - percentage of sequence identity: 70
1b0w A - percentage of sequence identity: 65
1bww A - percentage of sequence identity: 69
1bz7 A - percentage of sequence identity: 78
1c5d A - percentage of sequence identity: 62
1clo L - percentage of sequence identity: 60
1d5i L - percentage of sequence identity: 65
1dn0 B - percentage of sequence identity: 60
1dqq B - percentage of sequence identity: 69
1dzb A - percentage of sequence identity: 66
1emt L - percentage of sequence identity: 81
1ezv D - percentage of sequence identity: 100
1fe8 L - percentage of sequence identity: 81
1fgv L - percentage of sequence identity: 74
1fns L - percentage of sequence identity: 81
1gaf L - percentage of sequence identity: 66
1h0d A - percentage of sequence identity: 60
1i7z A - percentage of sequence identity: 60
1igm L - percentage of sequence identity: 65
1iqw L - percentage of sequence identity: 60
1jfq L - percentage of sequence identity: 83
1jhl L - percentage of sequence identity: 65
1l7i L - percentage of sequence identity: 64
1mam L - percentage of sequence identity: 81
1ndg B - percentage of sequence identity: 65
1ndm B - percentage of sequence identity: 73
1nmb L - percentage of sequence identity: 80
1ors A - percentage of sequence identity: 61
1rie - - percentage of sequence identity: 65
1uac H - percentage of sequence identity: 68
1wtl A - percentage of sequence identity: 65
1ycc - - percentage of sequence identity: 100
1ytc - - percentage of sequence identity: 83
5cyt R - percentage of sequence identity: 62
null nu - percentage of sequence identity: 0