Annotations: 1H0H

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
D [auth L]	d1h0hl_	Alpha and beta proteins (a+b)	Ferredoxin-like	4Fe-4S ferredoxins	Ferredoxin domains from multidomain proteins	Tungsten containing formate dehydrogenase, small subunit	(Megalodesulfovibrio gigas ) [TaxId: 879 ],	SCOPe (2.08)
B	d1h0hb_	Alpha and beta proteins (a+b)	Ferredoxin-like	4Fe-4S ferredoxins	Ferredoxin domains from multidomain proteins	Tungsten containing formate dehydrogenase, small subunit	(Megalodesulfovibrio gigas ) [TaxId: 879 ],	SCOPe (2.08)
C [auth K]	d1h0hk1	All beta proteins	Double psi beta-barrel	ADC-like	Formate dehydrogenase/DMSO reductase, C-terminal domain	Tungsten containing formate dehydrogenase, large subunit	(Megalodesulfovibrio gigas ) [TaxId: 879 ],	SCOPe (2.08)
C [auth K]	d1h0hk2	Alpha and beta proteins (a/b)	Formate dehydrogenase/DMSO reductase, domains 1-3	Formate dehydrogenase/DMSO reductase, domains 1-3	Formate dehydrogenase/DMSO reductase, domains 1-3	Tungsten containing formate dehydrogenase, large subunit	(Megalodesulfovibrio gigas ) [TaxId: 879 ],	SCOPe (2.08)
A	d1h0ha1	All beta proteins	Double psi beta-barrel	ADC-like	Formate dehydrogenase/DMSO reductase, C-terminal domain	Tungsten containing formate dehydrogenase, large subunit	(Megalodesulfovibrio gigas ) [TaxId: 879 ],	SCOPe (2.08)
A	d1h0ha2	Alpha and beta proteins (a/b)	Formate dehydrogenase/DMSO reductase, domains 1-3	Formate dehydrogenase/DMSO reductase, domains 1-3	Formate dehydrogenase/DMSO reductase, domains 1-3	Tungsten containing formate dehydrogenase, large subunit	(Megalodesulfovibrio gigas ) [TaxId: 879 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D [auth L]	SCOP2B Superfamily	4Fe-4S ferredoxins	8042326	3000020	SCOP2B (2022-06-29)
B	SCOP2 Family	Ferredoxin domains from multidomain proteins	8029947	4000021	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	4Fe-4S ferredoxins	8042326	3000020	SCOP2 (2022-06-29)
C [auth K]	SCOP2B Superfamily	Formate dehydrogenase/DMSO reductase, domains 1-3	8042324	3001453	SCOP2B (2022-06-29)
C [auth K]	SCOP2B Superfamily	ADC-like	8042323	3001132	SCOP2B (2022-06-29)
A	SCOP2 Family	Formate dehydrogenase/DMSO reductase, C-terminal domain	8029944	4002360	SCOP2 (2022-06-29)
A	SCOP2 Family	Formate dehydrogenase/DMSO reductase, domains 1-3	8029945	4000801	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	ADC-like	8042323	3001132	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Formate dehydrogenase/DMSO reductase, domains 1-3	8042324	3001453	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D [auth L]		e1h0hL1	A: Ribonuclease H-like	X: Ribonuclease H-like	H: Ribonuclease H-like	T: FRB_dom	F:	ECOD (20:10:01)
B		e1h0hB2	A: Flavodoxin-like	X: Class I glutamine amidotransferase-like	H: Phosphofructokinase N-terminal domain	T: Fer4_7, Fer4_11	F:	ECOD (20:10:01)
B		e1h0hB3	A: Flavodoxin-like	X: Class I glutamine amidotransferase-like	H: Phosphofructokinase N-terminal domain	T: SIS	F:	ECOD (20:10:01)
C [auth K]		e1h0hK1	A: Cloacin translocation domain	X: Cloacin translocation domain	H: Cloacin translocation domain	T: Trypsin	F:	ECOD (20:10:01)
C [auth K]		e1h0hK2	A: Cytidine deaminase-like	X: Ribonuclease H-like	H: Ribonuclease H-like	T: PCI	F:	ECOD (20:10:01)
A		e1h0hA1	A: Cloacin translocation domain	X: Cloacin translocation domain	H: Cloacin translocation domain	T: Trypsin	F:	ECOD (20:10:01)
A		e1h0hA2	A: Cytidine deaminase-like	X: Ribonuclease H-like	H: Ribonuclease H-like	T: PCI	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D [auth L]	3.30.70.20	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
B	3.30.70.20	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
C [auth K]	3.40.50.740	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
C [auth K]	3.40.228.10	Alpha Beta	3-Layer(aba) Sandwich	Dimethylsulfoxide Reductase	domain 2	CATH (4.3.0)
C [auth K]	2.40.40.20	Mainly Beta	Beta Barrel	Barwin-like endoglucanases		CATH (4.3.0)
A	3.40.50.740	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
A	3.40.228.10	Alpha Beta	3-Layer(aba) Sandwich	Dimethylsulfoxide Reductase	domain 2	CATH (4.3.0)
A	2.40.40.20	Mainly Beta	Beta Barrel	Barwin-like endoglucanases		CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D [auth L]	FORMATE DEHYDROGENASE SUBUNIT BETA	iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding cation binding ion binding metal ion binding	-	cellular anatomical structure periplasmic space
A, C [auth K]	FORMATE DEHYDROGENASE SUBUNIT ALPHA	cation binding transition metal ion binding molybdenum ion binding ion binding binding metal ion binding small molecule binding molybdopterin cofactor binding oxidoreductase activity, acting on the aldehyde or oxo group of donors, cytochrome as acceptor formate dehydrogenase (cytochrome-c-553) activity oxidoreductase activity oxidoreductase activity, acting on the aldehyde or oxo group of donors catalytic activity iron-sulfur cluster binding cation binding transition metal ion binding molybdenum ion binding ion binding binding metal ion binding small molecule binding molybdopterin cofactor binding oxidoreductase activity, acting on the aldehyde or oxo group of donors, cytochrome as acceptor formate dehydrogenase (cytochrome-c-553) activity oxidoreductase activity oxidoreductase activity, acting on the aldehyde or oxo group of donors catalytic activity iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding formate dehydrogenase (NAD+) activity oxidoreductase activity, acting on the aldehyde or oxo group of donors, NAD or NADP as acceptor electron transfer activity	cellular respiration energy derivation by oxidation of organic compounds metabolic process cellular process generation of precursor metabolites and energy anaerobic respiration	cellular anatomical structure periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D [auth L]	IPR051555	Formate Dehydrogenase Electron Transfer Unit	Family
B, D [auth L]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
A, C [auth K]	IPR006963	Molybdopterin oxidoreductase, 4Fe-4S domain	Domain
A, C [auth K]	IPR006657	Molybdopterin dinucleotide-binding domain	Domain
A, C [auth K]	IPR006656	Molybdopterin oxidoreductase	Domain
A, C [auth K]	IPR006443	Formate dehydrogenase-N, alpha subunit	Family
A, C [auth K]	IPR006311	Twin-arginine translocation pathway, signal sequence	Conserved Site
A, C [auth K]	IPR009010	Aspartate decarboxylase-like domain superfamily	Homologous Superfamily
A, C [auth K]	IPR006655	Molybdopterin oxidoreductase, prokaryotic, conserved site	Conserved Site
A, C [auth K]	IPR027467	Molybdopterin oxidoreductase, molybdopterin cofactor binding site	Binding Site

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.