7BKC

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

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
F [auth D]	SCOP2B Superfamily	Formate dehydrogenase/DMSO reductase domains 1-3	8105473	3001453	SCOP2B (2022-06-29)
S [auth d]	SCOP2B Superfamily	Formate dehydrogenase/DMSO reductase domains 1-3	8105473	3001453	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF12838	e7bkcA1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: PF12838	ECOD (1.6)
A	PF12831	e7bkcA3	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF12831	ECOD (1.6)
A	F_UNCLASSIFIED	e7bkcA2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: F_UNCLASSIFIED	ECOD (1.6)
N [auth a]	PF12838	e7bkca1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: PF12838	ECOD (1.6)
N [auth a]	PF12831	e7bkca3	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF12831	ECOD (1.6)
N [auth a]	F_UNCLASSIFIED	e7bkca4	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: F_UNCLASSIFIED	ECOD (1.6)
J	PF01568	e7bkcJ1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: double psi	F: PF01568	ECOD (1.6)
W [auth j]	PF01568	e7bkcj1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: double psi	F: PF01568	ECOD (1.6)
K [auth M]	PF00037	e7bkcM1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: PF00037	ECOD (1.6)
L [auth K]	PF00037	e7bkcK3	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: PF00037	ECOD (1.6)
L [auth K]	PF12838	e7bkcK1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: PF12838	ECOD (1.6)
X [auth m]	PF00037	e7bkcm1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: PF00037	ECOD (1.6)
Y [auth k]	PF00037	e7bkck2	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: PF00037	ECOD (1.6)
Y [auth k]	PF12838	e7bkck1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: PF12838	ECOD (1.6)
M [auth H]	F_UNCLASSIFIED	e7bkcH2	A: a+b two layers	X: Formate dehydrogenase/DMSO reductase, domain 1 (From Topology)	H: Formate dehydrogenase/DMSO reductase, domain 1 (From Topology)	T: Formate dehydrogenase/DMSO reductase, domain 1	F: F_UNCLASSIFIED	ECOD (1.6)
M [auth H]	F_UNCLASSIFIED	e7bkcH3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Formate dehydrogenase/DMSO reductase, domains 2 and 3 (From Topology)	T: Formate dehydrogenase/DMSO reductase, domains 2 and 3	F: F_UNCLASSIFIED	ECOD (1.6)
M [auth H]	PF00384	e7bkcH1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Formate dehydrogenase/DMSO reductase, domains 2 and 3 (From Topology)	T: Formate dehydrogenase/DMSO reductase, domains 2 and 3	F: PF00384	ECOD (1.6)
Z [auth h]	F_UNCLASSIFIED	e7bkch2	A: a+b two layers	X: Formate dehydrogenase/DMSO reductase, domain 1 (From Topology)	H: Formate dehydrogenase/DMSO reductase, domain 1 (From Topology)	T: Formate dehydrogenase/DMSO reductase, domain 1	F: F_UNCLASSIFIED	ECOD (1.6)
Z [auth h]	F_UNCLASSIFIED	e7bkch3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Formate dehydrogenase/DMSO reductase, domains 2 and 3 (From Topology)	T: Formate dehydrogenase/DMSO reductase, domains 2 and 3	F: F_UNCLASSIFIED	ECOD (1.6)
Z [auth h]	PF00384	e7bkch1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Formate dehydrogenase/DMSO reductase, domains 2 and 3 (From Topology)	T: Formate dehydrogenase/DMSO reductase, domains 2 and 3	F: PF00384	ECOD (1.6)
B [auth F]	PF02662	e7bkcF1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Methyl-viologen reducing hydrogenase subunit D (From Topology)	T: Methyl-viologen reducing hydrogenase subunit D	F: PF02662	ECOD (1.6)
O [auth f]	PF02662	e7bkcf1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Methyl-viologen reducing hydrogenase subunit D (From Topology)	T: Methyl-viologen reducing hydrogenase subunit D	F: PF02662	ECOD (1.6)
D [auth C]	PF13183	e7bkcC1	A: alpha arrays	X: alpha-helical ferredoxin-like	H: alpha-helical ferredoxin (From Topology)	T: alpha-helical ferredoxin	F: PF13183	ECOD (1.6)
Q [auth c]	PF13183	e7bkcc1	A: alpha arrays	X: alpha-helical ferredoxin-like	H: alpha-helical ferredoxin (From Topology)	T: alpha-helical ferredoxin	F: PF13183	ECOD (1.6)
E [auth B]	PF02754	e7bkcB1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: ATC-like	F: PF02754	ECOD (1.6)
R [auth b]	PF02754	e7bkcb1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: ATC-like	F: PF02754	ECOD (1.6)
F [auth D]	PF04879	e7bkcD3	A: a+b two layers	X: Formate dehydrogenase/DMSO reductase, domain 1 (From Topology)	H: Formate dehydrogenase/DMSO reductase, domain 1 (From Topology)	T: Formate dehydrogenase/DMSO reductase, domain 1	F: PF04879	ECOD (1.6)
F [auth D]	PF00384	e7bkcD1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Formate dehydrogenase/DMSO reductase, domains 2 and 3 (From Topology)	T: Formate dehydrogenase/DMSO reductase, domains 2 and 3	F: PF00384	ECOD (1.6)
S [auth d]	PF04879	e7bkcd3	A: a+b two layers	X: Formate dehydrogenase/DMSO reductase, domain 1 (From Topology)	H: Formate dehydrogenase/DMSO reductase, domain 1 (From Topology)	T: Formate dehydrogenase/DMSO reductase, domain 1	F: PF04879	ECOD (1.6)
S [auth d]	PF00384	e7bkcd1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Formate dehydrogenase/DMSO reductase, domains 2 and 3 (From Topology)	T: Formate dehydrogenase/DMSO reductase, domains 2 and 3	F: PF00384	ECOD (1.6)
G [auth I]	PF01493	e7bkcI1	A: beta duplicates or obligate multimers	X: Single-stranded right-handed beta-helix	H: Alpha subunit of glutamate synthase-C (From Topology)	T: Alpha subunit of glutamate synthase-C	F: PF01493	ECOD (1.6)
T [auth i]	PF01493	e7bkci1	A: beta duplicates or obligate multimers	X: Single-stranded right-handed beta-helix	H: Alpha subunit of glutamate synthase-C (From Topology)	T: Alpha subunit of glutamate synthase-C	F: PF01493	ECOD (1.6)
H [auth L]	PF00037	e7bkcL1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: PF00037	ECOD (1.6)
U [auth l]	PF00037	e7bkcl1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: PF00037	ECOD (1.6)
I [auth G]	F_UNCLASSIFIED	e7bkcG2	A: beta sandwiches	X: Composite domain of metallo-dependent hydrolases (From Topology)	H: Composite domain of metallo-dependent hydrolases (From Topology)	T: Composite domain of metallo-dependent hydrolases	F: F_UNCLASSIFIED	ECOD (1.6)
I [auth G]	PF07969	e7bkcG1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF07969	ECOD (1.6)
V [auth g]	F_UNCLASSIFIED	e7bkcg2	A: beta sandwiches	X: Composite domain of metallo-dependent hydrolases (From Topology)	H: Composite domain of metallo-dependent hydrolases (From Topology)	T: Composite domain of metallo-dependent hydrolases	F: F_UNCLASSIFIED	ECOD (1.6)
V [auth g]	PF07969	e7bkcg1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF07969	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, N [auth a]	PF12831	FAD dependent oxidoreductase (FAD_oxidored)	FAD dependent oxidoreductase	-	Family
A, N [auth a]	PF12838	4Fe-4S dicluster domain (Fer4_7)	4Fe-4S dicluster domain	Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contai ...	Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contains two 4Fe4S clusters.	Domain
J, W [auth j]	PF01568	Molydopterin dinucleotide binding domain (Molydop_binding)	Molydopterin dinucleotide binding domain	This domain is found in various molybdopterin - containing oxidoreductases and tungsten formylmethanofuran dehydrogenase subunit d (FwdD) and molybdenum formylmethanofuran dehydrogenase subunit (FmdD); where the domain constitutes almost the entir ...	This domain is found in various molybdopterin - containing oxidoreductases and tungsten formylmethanofuran dehydrogenase subunit d (FwdD) and molybdenum formylmethanofuran dehydrogenase subunit (FmdD); where the domain constitutes almost the entire subunit. The formylmethanofuran dehydrogenase catalyses the first step in methane formation from CO2 in methanogenic archaea and has a molybdopterin dinucleotide cofactor [1]. This domain corresponds to the C-terminal domain IV in dimethyl sulfoxide (DMSO)reductase which interacts with the 2-amino pyrimidone ring of both molybdopterin guanine dinucleotide molecules [2].	Domain
K [auth M], L [auth K], X [auth m], Y [auth k]	PF12838	4Fe-4S dicluster domain (Fer4_7)	4Fe-4S dicluster domain	Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contai ...	Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contains two 4Fe4S clusters.	Domain
M [auth H], Z [auth h]	PF00384	Molybdopterin oxidoreductase (Molybdopterin)	Molybdopterin oxidoreductase	-	Family
B [auth F], O [auth f]	PF02662	Methyl-viologen-reducing hydrogenase, delta subunit (FlpD)	Methyl-viologen-reducing hydrogenase, delta subunit	-	Family
C [auth E], P [auth e]	PF04422	Coenzyme F420 hydrogenase/dehydrogenase, beta subunit N-term (FrhB_FdhB_N)	Coenzyme F420 hydrogenase/dehydrogenase, beta subunit N-term	-	Family
C [auth E], P [auth e]	PF04432	Coenzyme F420 hydrogenase/dehydrogenase, beta subunit C terminus (FrhB_FdhB_C)	Coenzyme F420 hydrogenase/dehydrogenase, beta subunit C terminus	Coenzyme F420 hydrogenase (EC:1.12.99.1) reduces the low-potential two-electron acceptor coenzyme F420. This family contains the C termini of F420 hydrogenase and dehydrogenase beta subunits [1], [2]. The N terminus of Methanobacterium formicicum fo ...	Coenzyme F420 hydrogenase (EC:1.12.99.1) reduces the low-potential two-electron acceptor coenzyme F420. This family contains the C termini of F420 hydrogenase and dehydrogenase beta subunits [1], [2]. The N terminus of Methanobacterium formicicum formate dehydrogenase beta chain (EC:1.2.1.2, Swiss:P06130) is also a member of this family [3]. This region is often found in association with the 4Fe-4S binding domain, fer4 (Pfam:PF00037).	Domain
D [auth C], Q [auth c]	PF13183	4Fe-4S dicluster domain (Fer4_8)	4Fe-4S dicluster domain	Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contai ...	Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contains two 4Fe4S clusters.	Domain
E [auth B], R [auth b]	PF02754	Cysteine-rich domain (CCG)	Cysteine-rich domain	-	Family
F [auth D], S [auth d]	PF04879	Molybdopterin oxidoreductase Fe4S4 domain (Molybdop_Fe4S4)	Molybdopterin oxidoreductase Fe4S4 domain	This domain is found in formate dehydrogenase H for which the structure is known. This first domain (residues 1 to 60) of PDB:1aa6 is an Fe4S4 cluster just below the protein surface [1].	Domain
F [auth D], S [auth d]	PF00384	Molybdopterin oxidoreductase (Molybdopterin)	Molybdopterin oxidoreductase	-	Family
G [auth I], T [auth i]	PF01493	GXGXG motif (GXGXG)	GXGXG motif	-	Family
H [auth L], U [auth l]	PF12838	4Fe-4S dicluster domain (Fer4_7)	4Fe-4S dicluster domain	Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contai ...	Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contains two 4Fe4S clusters.	Domain
I [auth G], V [auth g]	PF07969	Amidohydrolase family (Amidohydro_3)	Amidohydrolase family	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, N [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 cation binding ion binding metal ion binding	-	-
J, W [auth j]	Formylmethanofuran dehydrogenase, subunit D	oxidoreductase activity catalytic activity binding organic cyclic compound binding molybdopterin cofactor binding	-	-
K [auth M], L [auth K], X [auth m], Y [auth k]	Formylmethanofuran dehydrogenase, subunit F	oxidoreductase activity catalytic activity	-	-
M [auth H], Z [auth h]	Formylmethanofuran dehydrogenase, subunit B	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 cellular biosynthetic process cellular metabolic process alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process organic substance metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds cellular alkane metabolic process organic substance biosynthetic process methanogenesis cellular respiration energy derivation by oxidation of organic compounds cellular biosynthetic process cellular metabolic process alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process organic substance metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds cellular alkane metabolic process organic substance biosynthetic process methanogenesis metabolic process cellular process hydrocarbon biosynthetic process methanogenesis, from carbon dioxide anaerobic respiration	-
B [auth F], O [auth f]	F420-non-reducing hydrogenase subunit D	-	-	-
C [auth E], P [auth e]	Formate dehydrogenase, beta subunit (F420)	oxidoreductase activity catalytic activity iron-sulfur cluster binding binding metal cluster binding small molecule binding	-	-
D [auth C], Q [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 cellular biosynthetic process cellular metabolic process alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process organic substance metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds cellular alkane metabolic process organic substance biosynthetic process methanogenesis cellular respiration energy derivation by oxidation of organic compounds cellular biosynthetic process cellular metabolic process alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process organic substance metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds cellular alkane metabolic process organic substance biosynthetic process methanogenesis metabolic process cellular process hydrocarbon biosynthetic process anaerobic respiration	-
E [auth B], R [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 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 cellular biosynthetic process cellular metabolic process alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process organic substance metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds cellular alkane metabolic process organic substance biosynthetic process methanogenesis cellular respiration energy derivation by oxidation of organic compounds cellular biosynthetic process cellular metabolic process alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process organic substance metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds cellular alkane metabolic process organic substance biosynthetic process methanogenesis metabolic process cellular process hydrocarbon biosynthetic process anaerobic respiration	-
F [auth D], S [auth d]	Formate dehydrogenase	binding organic cyclic compound binding molybdopterin cofactor binding iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding oxidoreductase activity formate dehydrogenase (NAD+) activity oxidoreductase activity, acting on the aldehyde or oxo group of donors catalytic activity oxidoreductase activity, acting on the aldehyde or oxo group of donors, NAD or NADP as acceptor cation binding ion binding binding organic cyclic compound binding molybdopterin cofactor binding iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding oxidoreductase activity formate dehydrogenase (NAD+) activity oxidoreductase activity, acting on the aldehyde or oxo group of donors catalytic activity oxidoreductase activity, acting on the aldehyde or oxo group of donors, NAD or NADP as acceptor cation binding ion binding metal ion binding	organic substance metabolic process oxoacid metabolic process cellular metabolic process carboxylic acid metabolic process small molecule metabolic process metabolic process cellular process monocarboxylic acid metabolic process organic acid metabolic process formate metabolic process	-
G [auth I], T [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 cellular biosynthetic process cellular metabolic process alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process organic substance metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds cellular alkane metabolic process organic substance biosynthetic process methanogenesis cellular respiration energy derivation by oxidation of organic compounds cellular biosynthetic process cellular metabolic process alkane biosynthetic process methane metabolic process generation of precursor metabolites and energy hydrocarbon metabolic process organic substance metabolic process biosynthetic process energy derivation by oxidation of reduced inorganic compounds cellular alkane metabolic process organic substance biosynthetic process methanogenesis metabolic process cellular process hydrocarbon biosynthetic process methanogenesis, from carbon dioxide anaerobic respiration	-
H [auth L], U [auth l]	Formylmethanofuran dehydrogenase, subunit G	oxidoreductase activity catalytic activity	-	-
I [auth G], V [auth g]	Formylmethanofuran dehydrogenase, subunit A	oxidoreductase activity catalytic activity hydrolase activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, N [auth a]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
A, N [auth a]	IPR039650	H(2):CoB-CoM heterodisulfide,ferredoxin reductase subunit A-like	Family
A, N [auth a]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
A, N [auth a]	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
J, W [auth j]	IPR006657	Molybdopterin dinucleotide-binding domain	Domain
J, W [auth j]	IPR009010	Aspartate decarboxylase-like domain superfamily	Homologous Superfamily
K [auth M], L [auth K], X [auth m], Y [auth k]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
K [auth M], L [auth K], X [auth m], Y [auth k]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
K [auth M], L [auth K], X [auth m], Y [auth k]	IPR043256	Polyferredoxin MvhB-like	Family
M [auth H], Z [auth h]	IPR006656	Molybdopterin oxidoreductase	Domain
M [auth H], Z [auth h]	IPR016457	Formylmethanofuran dehydrogenase, subunit B	Family
B [auth F], O [auth f]	IPR003813	F420-non-reducing hydrogenase iron-sulfur subunit D	Domain
C [auth E], P [auth e]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
C [auth E], P [auth e]	IPR045220	Oxidoreductase FRHB/FDHB/HCAR-like	Family
C [auth E], P [auth e]	IPR007516	Coenzyme F420 hydrogenase/dehydrogenase beta subunit, N-terminal	Domain
C [auth E], P [auth e]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
C [auth E], P [auth e]	IPR007525	Coenzyme F420 hydrogenase/dehydrogenase beta subunit, C-terminal	Domain
D [auth C], Q [auth c]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
D [auth C], Q [auth c]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
D [auth C], Q [auth c]	IPR017680	CoB--CoM heterodisulphide reductase, subunit C	Family
D [auth C], Q [auth c]	IPR009051	Alpha-helical ferredoxin	Homologous Superfamily
E [auth B], R [auth b]	IPR004017	Cysteine-rich domain	Domain
E [auth B], R [auth b]	IPR017678	CoB--CoM heterodisulphide reductase, subunit B	Family
F [auth D], S [auth d]	IPR006963	Molybdopterin oxidoreductase, 4Fe-4S domain	Domain
F [auth D], S [auth d]	IPR006657	Molybdopterin dinucleotide-binding domain	Domain
F [auth D], S [auth d]	IPR006656	Molybdopterin oxidoreductase	Domain
F [auth D], S [auth d]	IPR009010	Aspartate decarboxylase-like domain superfamily	Homologous Superfamily
F [auth D], S [auth d]	IPR006655	Molybdopterin oxidoreductase, prokaryotic, conserved site	Conserved Site
F [auth D], S [auth d]	IPR041924	Formate dehydrogenase H, N-terminal	Domain
F [auth D], S [auth d]	IPR027467	Molybdopterin oxidoreductase, molybdopterin cofactor binding site	Binding Site
F [auth D], S [auth d]	IPR006478	Formate dehydrogenase, alpha subunit	Family
G [auth I], T [auth i]	IPR036485	Glutamate synthase, alpha subunit, C-terminal domain superfamily	Homologous Superfamily
G [auth I], T [auth i]	IPR002489	Glutamate synthase, alpha subunit, C-terminal	Domain
G [auth I], T [auth i]	IPR017550	Formylmethanofuran dehydrogenase subunit C	Domain
H [auth L], U [auth l]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
H [auth L], U [auth l]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
I [auth G], V [auth g]	IPR012027	Formylmethanofuran dehydrogenase, subunit A	Family
I [auth G], V [auth g]	IPR013108	Amidohydrolase 3	Domain
I [auth G], V [auth g]	IPR011059	Metal-dependent hydrolase, composite domain superfamily	Homologous Superfamily
I [auth G], V [auth g]	IPR032466	Metal-dependent hydrolase	Homologous Superfamily

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7BKC

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

External Resource: Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Domain Annotation: ECOD Classification ECOD Database Homepage

Protein Family Annotation Pfam Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage