Annotations: 7BKB

Formate dehydrogenase - heterodisulfide reductase - formylmethanofuran dehydrogenase complex from Methanospirillum hungatei (hexameric, composite structure)

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
U [auth g]	Lant_dehydr_C	e7bkbg1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
I [auth G]	Lant_dehydr_C	e7bkbG1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
T [auth l]	Lant_dehydr_C	e7bkbl1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
H [auth L]	Lant_dehydr_C	e7bkbL1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
S [auth i]	Lant_dehydr_C	e7bkbi1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
G [auth I]	Lant_dehydr_C	e7bkbI1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
R [auth d]	Lant_dehydr_C	e7bkbd1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
F [auth D]	Lant_dehydr_C	e7bkbD1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
Q [auth b]	Lant_dehydr_C	e7bkbb1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
E [auth B]	Lant_dehydr_C	e7bkbB1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
P [auth c]	Lant_dehydr_C	e7bkbc1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
D [auth C]	Lant_dehydr_C	e7bkbC1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
O [auth e]	MIF	e7bkbe1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: MIF	ECOD (v295.2)
C [auth E]	Pkinase	e7bkbE01	A: alpha arrays	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Pkinase	ECOD (v295.2)
N [auth f]	Lant_dehydr_C	e7bkbf1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
B [auth F]	Lant_dehydr_C	e7bkbF1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
X [auth h]	Lant_dehydr_C	e7bkbh1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
L [auth H]	Lant_dehydr_C	e7bkbH1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
W [auth k]		e7bkbk1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F:	ECOD (v295.2)
K		e7bkbK1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F:	ECOD (v295.2)
V [auth j]	Lant_dehydr_C	e7bkbj1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
J	Lant_dehydr_C	e7bkbJ1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Lant_dehydr_C	ECOD (v295.2)
M [auth a]	NDUS4	e7bkba1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: NDUS4	ECOD (v295.2)
A	NDUS4	e7bkbA1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: NDUS4	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
R [auth d]	3.40.228.10	Alpha Beta	3-Layer(aba) Sandwich	Dimethylsulfoxide Reductase	domain 2	CATH (utative)
F [auth D]	3.40.228.10	Alpha Beta	3-Layer(aba) Sandwich	Dimethylsulfoxide Reductase	domain 2	CATH (utative)
Q [auth b]	1.20.1050.140	Mainly Alpha	Up-down Bundle	Glutathione S-transferase Yfyf (Class Pi)	Chain A, domain 2	CATH (utative)
E [auth B]	1.20.1050.140	Mainly Alpha	Up-down Bundle	Glutathione S-transferase Yfyf (Class Pi)	Chain A, domain 2	CATH (utative)
P [auth c]	1.10.1060.10	Mainly Alpha	Orthogonal Bundle	Fumarate Reductase Iron-sulfur Protein	Chain B, domain 2	CATH (utative)
D [auth C]	1.10.1060.10	Mainly Alpha	Orthogonal Bundle	Fumarate Reductase Iron-sulfur Protein	Chain B, domain 2	CATH (utative)
K	3.30.70.3270	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (utative)
M [auth a]	3.30.70.20	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (utative)
A	3.30.70.20	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (utative)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
I [auth G], U [auth g]	Formylmethanofuran dehydrogenase, subunit A	hydrolase activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds	-	-
H [auth L], T [auth l]	Formylmethanofuran dehydrogenase, subunit G	oxidoreductase activity catalytic activity	-	-
G [auth I], S [auth i]	Formylmethanofuran dehydrogenase	cation binding transition metal ion binding ion binding binding metal ion binding small molecule binding formylmethanofuran dehydrogenase activity oxidoreductase activity oxidoreductase activity, acting on the aldehyde or oxo group of donors catalytic activity	cellular respiration energy derivation by oxidation of organic compounds alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds methanogenesis metabolic process cellular process hydrocarbon biosynthetic process methanogenesis, from carbon dioxide anaerobic respiration	-
F [auth D], R [auth d]	Formate dehydrogenase	oxidoreductase activity oxidoreductase activity, acting on NAD(P)H catalytic activity NADH dehydrogenase activity binding molybdopterin cofactor binding iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding oxidoreductase activity, acting on CH or CH2 groups formate dehydrogenase (NAD+) activity oxidoreductase activity, acting on CH or CH2 groups, NAD or NADP as acceptor	oxoacid metabolic process carboxylic acid metabolic process small molecule metabolic process metabolic process cellular process monocarboxylic acid metabolic process formate metabolic process cellular respiration energy derivation by oxidation of organic compounds respiratory electron transport chain electron transport chain generation of precursor metabolites and energy	cellular anatomical structure membrane
E [auth B], Q [auth b]	CoB--CoM heterodisulfide reductase subunit B	oxidoreductase activity, acting on a sulfur group of donors CoB--CoM heterodisulfide reductase activity oxidoreductase activity catalytic activity	cellular respiration energy derivation by oxidation of organic compounds alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds methanogenesis metabolic process cellular process hydrocarbon biosynthetic process anaerobic respiration	-
D [auth C], P [auth c]	CoB--CoM heterodisulfide reductase subunit C	oxidoreductase activity, acting on a sulfur group of donors CoB--CoM heterodisulfide reductase activity oxidoreductase activity catalytic activity iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding	cellular respiration energy derivation by oxidation of organic compounds alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds methanogenesis metabolic process cellular process hydrocarbon biosynthetic process anaerobic respiration	cell periphery cellular anatomical structure plasma membrane membrane
C [auth E], O [auth e]	Formate dehydrogenase, beta subunit (F420)	oxidoreductase activity, acting on CH or CH2 groups, with an iron-sulfur protein as acceptor oxidoreductase activity oxidoreductase activity, acting on CH or CH2 groups catalytic activity	-	-
B [auth F], N [auth f]	F420-non-reducing hydrogenase subunit D	-	-	-
L [auth H], X [auth h]	Formylmethanofuran dehydrogenase, subunit B	oxidoreductase activity oxidoreductase activity, acting on NAD(P)H catalytic activity NADH dehydrogenase activity formylmethanofuran dehydrogenase activity oxidoreductase activity, acting on the aldehyde or oxo group of donors	cellular respiration energy derivation by oxidation of organic compounds alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds methanogenesis metabolic process cellular process hydrocarbon biosynthetic process methanogenesis, from carbon dioxide anaerobic respiration cellular respiration energy derivation by oxidation of organic compounds alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds methanogenesis metabolic process cellular process hydrocarbon biosynthetic process methanogenesis, from carbon dioxide anaerobic respiration respiratory electron transport chain electron transport chain	cellular anatomical structure membrane
K, W [auth k]	Formylmethanofuran dehydrogenase, subunit F	oxidoreductase activity catalytic activity	-	-
J, V [auth j]	Formylmethanofuran dehydrogenase, subunit D	oxidoreductase activity catalytic activity binding molybdopterin cofactor binding	-	-
A, M [auth a]	CoB--CoM heterodisulfide reductase iron-sulfur subunit A	oxidoreductase activity catalytic activity iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
I [auth G], U [auth g]	IPR012027	Formylmethanofuran dehydrogenase, subunit A	Family
I [auth G], U [auth g]	IPR013108	Amidohydrolase 3	Domain
I [auth G], U [auth g]	IPR050378	Metallo-dependent Hydrolases Superfamily	Family
I [auth G], U [auth g]	IPR011059	Metal-dependent hydrolase, composite domain superfamily	Homologous Superfamily
I [auth G], U [auth g]	IPR032466	Metal-dependent hydrolase	Homologous Superfamily
H [auth L], T [auth l]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
H [auth L], T [auth l]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
H [auth L], T [auth l]	IPR050572	Fe-S_Ferredoxin	Unknown
G [auth I], S [auth i]	IPR036485	Glutamate synthase, alpha subunit, C-terminal domain superfamily	Homologous Superfamily
G [auth I], S [auth i]	IPR017550	Formylmethanofuran dehydrogenase subunit C	Domain
F [auth D], R [auth d]	IPR006963	Molybdopterin oxidoreductase, 4Fe-4S domain	Domain
F [auth D], R [auth d]	IPR006657	Molybdopterin dinucleotide-binding domain	Domain
F [auth D], R [auth d]	IPR006656	Molybdopterin oxidoreductase	Domain
F [auth D], R [auth d]	IPR009010	Aspartate decarboxylase-like domain superfamily	Homologous Superfamily
F [auth D], R [auth d]	IPR006655	Molybdopterin oxidoreductase, prokaryotic, conserved site	Conserved Site
F [auth D], R [auth d]	IPR041924	Formate dehydrogenase H, N-terminal	Domain
F [auth D], R [auth d]	IPR027467	Molybdopterin oxidoreductase, molybdopterin cofactor binding site	Binding Site
F [auth D], R [auth d]	IPR006478	Formate dehydrogenase, alpha subunit	Family
E [auth B], Q [auth b]	IPR004017	Cysteine-rich domain	Domain
E [auth B], Q [auth b]	IPR017678	CoB--CoM heterodisulphide reductase, subunit B	Family
E [auth B], Q [auth b]	IPR051278	CoM-S-S-CoB heterodisulfide reductase	Family
D [auth C], P [auth c]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
D [auth C], P [auth c]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
D [auth C], P [auth c]	IPR017680	CoB--CoM heterodisulphide reductase, subunit C	Family
D [auth C], P [auth c]	IPR009051	Alpha-helical ferredoxin	Homologous Superfamily
C [auth E], O [auth e]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
C [auth E], O [auth e]	IPR045220	Oxidoreductase FRHB/FDHB/HCAR-like	Family
C [auth E], O [auth e]	IPR007516	Coenzyme F420 hydrogenase/dehydrogenase beta subunit, N-terminal	Domain
C [auth E], O [auth e]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
C [auth E], O [auth e]	IPR007525	Coenzyme F420 hydrogenase/dehydrogenase beta subunit, C-terminal	Domain
B [auth F], N [auth f]	IPR003813	F420-non-reducing hydrogenase iron-sulfur subunit D	Domain
L [auth H], X [auth h]	IPR006656	Molybdopterin oxidoreductase	Domain
L [auth H], X [auth h]	IPR016457	Formylmethanofuran dehydrogenase, subunit B	Family
K, W [auth k]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
K, W [auth k]	IPR052977	Polyferredoxin-like electron transfer protein	Family
K, W [auth k]	IPR043256	Polyferredoxin protein FwdF	Family
K, W [auth k]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
J, V [auth j]	IPR006657	Molybdopterin dinucleotide-binding domain	Domain
J, V [auth j]	IPR009010	Aspartate decarboxylase-like domain superfamily	Homologous Superfamily
A, M [auth a]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
A, M [auth a]	IPR039650	H(2):CoB-CoM heterodisulfide,ferredoxin reductase subunit A-like	Family
A, M [auth a]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
A, M [auth a]	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily