9H8T | pdb_00009h8t

Cryo-EM structure of the atovaquone-inhibited Complex III from the Chlorocebus sabaeus respirasome

External Resource: Annotation


Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A [auth D],
L [auth d]		PF02167Cytochrome C1 family (Cytochrom_C1)Cytochrome C1 family- Family
B [auth A],
K [auth T],
M [auth a]		PF02921Ubiquinol cytochrome reductase transmembrane region (UCR_TM)Ubiquinol cytochrome reductase transmembrane region- Family
B [auth A],
K [auth T],
M [auth a]		PF09165Ubiquinol-cytochrome c reductase 8 kDa, N-terminal (Ubiq-Cytc-red_N)Ubiquinol-cytochrome c reductase 8 kDa, N-terminalMembers of this family adopt a structure consisting of many antiparallel beta sheets, with few alpha helices, in a non-globular arrangement. They are required for proper functioning of the respiratory chain [1]. Domain
B [auth A],
K [auth T],
M [auth a]		PF00355Rieske [2Fe-2S] domain (Rieske)Rieske [2Fe-2S] domainThe rieske domain has a [2Fe-2S] centre. Two conserved cysteines coordinate one Fe ion, while the other Fe ion is coordinated by two conserved histidines. In hyperthermophilic archaea there is a SKTPCX(2-3)C motif at the C-terminus. The cysteines in ...The rieske domain has a [2Fe-2S] centre. Two conserved cysteines coordinate one Fe ion, while the other Fe ion is coordinated by two conserved histidines. In hyperthermophilic archaea there is a SKTPCX(2-3)C motif at the C-terminus. The cysteines in this motif form a disulphide bridge, which stabilises the protein [4].
Domain
C [auth G],
N [auth g]		PF02271Ubiquinol-cytochrome C reductase complex 14kD subunit (UCR_14kD)Ubiquinol-cytochrome C reductase complex 14kD subunit- Family
D [auth C],
O [auth c]		PF02939UcrQ family (UcrQ)UcrQ family- Family
E,
P [auth e]		PF05365Ubiquinol-cytochrome C reductase, UQCRX/QCR9 like (UCR_UQCRX_QCR9)Ubiquinol-cytochrome C reductase, UQCRX/QCR9 like- Family
F,
Q [auth f]		PF02320Ubiquinol-cytochrome C reductase hinge protein (UCR_hinge)Ubiquinol-cytochrome C reductase hinge proteinThe ubiquinol-cytochrome C reductase complex (cytochrome bc1 complex) is a respiratory multienzyme complex [1]. This Pfam family represents the 'hinge' protein of the complex which is thought to mediate formation of the cytochrome c1 and cytochrome c ...The ubiquinol-cytochrome C reductase complex (cytochrome bc1 complex) is a respiratory multienzyme complex [1]. This Pfam family represents the 'hinge' protein of the complex which is thought to mediate formation of the cytochrome c1 and cytochrome c complex.
Domain
G [auth K],
R [auth k]		PF05193Peptidase M16 inactive domain (Peptidase_M16_C)Peptidase M16 inactive domainPeptidase M16 consists of two structurally related domains. One is the active peptidase, whereas the other is inactive. The two domains hold the substrate like a clamp [1]. Domain
G [auth K],
R [auth k]		PF00675Insulinase (Peptidase family M16) (Peptidase_M16)Insulinase (Peptidase family M16)- Family
H [auth J],
S [auth j]		PF00032Cytochrome b(C-terminal)/b6/petD (Cytochrom_B_C)Cytochrome b(C-terminal)/b6/petDDomain
H [auth J],
S [auth j]		PF00033Cytochrome b/b6/petB (Cytochrome_B)Cytochrome b/b6/petBDomain
I [auth L],
T [auth l]		PF05193Peptidase M16 inactive domain (Peptidase_M16_C)Peptidase M16 inactive domainPeptidase M16 consists of two structurally related domains. One is the active peptidase, whereas the other is inactive. The two domains hold the substrate like a clamp [1]. Domain
I [auth L],
T [auth l]		PF00675Insulinase (Peptidase family M16) (Peptidase_M16)Insulinase (Peptidase family M16)- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A [auth D],
L [auth d]		Cytochrome c1
B [auth A],
K [auth T],
M [auth a]		Cytochrome b-c1 complex subunit Rieske, mitochondrial
C [auth G],
N [auth g]		Cytochrome b-c1 complex subunit 7-
D [auth C],
O [auth c]		Cytochrome b-c1 complex subunit 8-
E,
P [auth e]		Complex III subunit 9-
F,
Q [auth f]		Cytochrome b-c1 complex subunit 6-
G [auth K],
R [auth k]		Ubiquinol-cytochrome c reductase core protein 2
H [auth J],
S [auth j]		Cytochrome b
I [auth L],
T [auth l]		Ubiquinol-cytochrome c reductase core protein 1
J [auth H],
U [auth h]		UQCRB-

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A [auth D],
L [auth d]		IPR036909Cytochrome c-like domain superfamilyHomologous Superfamily
A [auth D],
L [auth d]		IPR002326Cytochrome c1Family
A [auth D],
L [auth d]		IPR021157Cytochrome c1, transmembrane anchor, C-terminalHomologous Superfamily
B [auth A],
K [auth T],
M [auth a]		IPR036922Rieske [2Fe-2S] iron-sulphur domain superfamilyHomologous Superfamily
B [auth A],
K [auth T],
M [auth a]		IPR014349Rieske iron-sulphur proteinFamily
B [auth A],
K [auth T],
M [auth a]		IPR011070Globular protein, non-globular alpha/beta subunitHomologous Superfamily
B [auth A],
K [auth T],
M [auth a]		IPR004192Cytochrome b-c1 complex subunit Rieske, transmembrane domainDomain
B [auth A],
K [auth T],
M [auth a]		IPR015248Ubiquinol-cytochrome c reductase iron-sulphur subunit, N-terminalDomain
B [auth A],
K [auth T],
M [auth a]		IPR017941Rieske [2Fe-2S] iron-sulphur domainDomain
B [auth A],
K [auth T],
M [auth a]		IPR005805Rieske iron-sulphur protein, C-terminalDomain
B [auth A],
K [auth T],
M [auth a]		IPR037008Cytochrome bc1 complex subunit Rieske, transmembrane domain superfamilyHomologous Superfamily
B [auth A],
K [auth T],
M [auth a]		IPR006317Ubiquinol-cytochrome c reductase, iron-sulphur subunitDomain
C [auth G],
N [auth g]		IPR003197Cytochrome b-c1 complex subunit 7Family
C [auth G],
N [auth g]		IPR036544Cytochrome b-c1 complex subunit 7 superfamilyHomologous Superfamily
D [auth C],
O [auth c]		IPR004205Cytochrome b-c1 complex subunit 8Family
D [auth C],
O [auth c]		IPR036642Cytochrome b-c1 complex subunit 8 superfamilyHomologous Superfamily
E,
P [auth e]		IPR008027Cytochrome b-c1 complex subunit 9Family
E,
P [auth e]		IPR036656Cytochrome b-c1 complex subunit 9 superfamilyHomologous Superfamily
F,
Q [auth f]		IPR003422Cytochrome b-c1 complex, subunit 6Family
F,
Q [auth f]		IPR023184Ubiquinol-cytochrome C reductase hinge domainDomain
F,
Q [auth f]		IPR036811Ubiquinol-cytochrome C reductase hinge domain superfamilyHomologous Superfamily
G [auth K],
R [auth k]		IPR007863Peptidase M16, C-terminalDomain
G [auth K],
R [auth k]		IPR011765Peptidase M16, N-terminalDomain
G [auth K],
R [auth k]		IPR011249Metalloenzyme, LuxS/M16 peptidase-likeHomologous Superfamily
G [auth K],
R [auth k]		IPR050361Mitochondrial Processing Peptidase/Ubiquinol-cytochrome c Reductase ComplexFamily
G [auth K],
R [auth k]		IPR001431Peptidase M16, zinc-binding siteBinding Site
H [auth J],
S [auth j]		IPR036150Cytochrome b/b6, C-terminal domain superfamilyHomologous Superfamily
H [auth J],
S [auth j]		IPR027387Cytochrome b/b6-like domain superfamilyHomologous Superfamily
H [auth J],
S [auth j]		IPR048260Cytochrome b/b6, C-terminal domain, eukaryotic/bacterialDomain
H [auth J],
S [auth j]		IPR016174Di-haem cytochrome, transmembraneHomologous Superfamily
H [auth J],
S [auth j]		IPR005798Cytochrome b/b6, C-terminalDomain
H [auth J],
S [auth j]		IPR048259Cytochrome b/b6, N-terminal domain, eukaryotic/bacterialDomain
H [auth J],
S [auth j]		IPR030689Cytochrome bFamily
H [auth J],
S [auth j]		IPR005797Cytochrome b/b6, N-terminal domainDomain
I [auth L],
T [auth l]		IPR007863Peptidase M16, C-terminalDomain
I [auth L],
T [auth l]		IPR011765Peptidase M16, N-terminalDomain
I [auth L],
T [auth l]		IPR011249Metalloenzyme, LuxS/M16 peptidase-likeHomologous Superfamily
I [auth L],
T [auth l]		IPR050361Mitochondrial Processing Peptidase/Ubiquinol-cytochrome c Reductase ComplexFamily
J [auth H],
U [auth h]		IPR029027Single alpha-helix domain superfamilyHomologous Superfamily
J [auth H],
U [auth h]		IPR015089Cytochrome b-c1 complex subunit 10Family