Annotations: 1FFV

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1ffva1	All alpha proteins	CO dehydrogenase ISP C-domain like	CO dehydrogenase ISP C-domain like	CO dehydrogenase ISP C-domain like	Carbon monoxide (CO) dehydrogenase iron-sulfur protein, C-domain	(Hydrogenophaga pseudoflava ) [TaxId: 47421 ],	SCOPe (2.08)
A	d1ffva2	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	2Fe-2S ferredoxin-like	2Fe-2S ferredoxin domains from multidomain proteins	Carbone monoxide (CO) dehydrogenase iron-sulfur protein, N-domain	(Hydrogenophaga pseudoflava ) [TaxId: 47421 ],	SCOPe (2.08)
D	d1ffvd1	All alpha proteins	CO dehydrogenase ISP C-domain like	CO dehydrogenase ISP C-domain like	CO dehydrogenase ISP C-domain like	Carbon monoxide (CO) dehydrogenase iron-sulfur protein, C-domain	(Hydrogenophaga pseudoflava ) [TaxId: 47421 ],	SCOPe (2.08)
D	d1ffvd2	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	2Fe-2S ferredoxin-like	2Fe-2S ferredoxin domains from multidomain proteins	Carbone monoxide (CO) dehydrogenase iron-sulfur protein, N-domain	(Hydrogenophaga pseudoflava ) [TaxId: 47421 ],	SCOPe (2.08)
B	d1ffvb1	Alpha and beta proteins (a+b)	alpha/beta-Hammerhead	CO dehydrogenase molybdoprotein N-domain-like	CO dehydrogenase molybdoprotein N-domain-like	Carbon monoxide (CO) dehydrogenase molybdoprotein, N-domain	(Hydrogenophaga pseudoflava ) [TaxId: 47421 ],	SCOPe (2.08)
B	d1ffvb2	Alpha and beta proteins (a+b)	Molybdenum cofactor-binding domain	Molybdenum cofactor-binding domain	Molybdenum cofactor-binding domain	Carbon monoxide (CO) dehydrogenase molybdoprotein	(Hydrogenophaga pseudoflava ) [TaxId: 47421 ],	SCOPe (2.08)
E	d1ffve1	Alpha and beta proteins (a+b)	alpha/beta-Hammerhead	CO dehydrogenase molybdoprotein N-domain-like	CO dehydrogenase molybdoprotein N-domain-like	Carbon monoxide (CO) dehydrogenase molybdoprotein, N-domain	(Hydrogenophaga pseudoflava ) [TaxId: 47421 ],	SCOPe (2.08)
E	d1ffve2	Alpha and beta proteins (a+b)	Molybdenum cofactor-binding domain	Molybdenum cofactor-binding domain	Molybdenum cofactor-binding domain	Carbon monoxide (CO) dehydrogenase molybdoprotein	(Hydrogenophaga pseudoflava ) [TaxId: 47421 ],	SCOPe (2.08)
C	d1ffvc1	Alpha and beta proteins (a+b)	CO dehydrogenase flavoprotein C-domain-like	CO dehydrogenase flavoprotein C-terminal domain-like	CO dehydrogenase flavoprotein C-terminal domain-like	Carbon monoxide (CO) dehydrogenase flavoprotein, C-terminal domain	(Hydrogenophaga pseudoflava ) [TaxId: 47421 ],	SCOPe (2.08)
C	d1ffvc2	Alpha and beta proteins (a+b)	FAD-binding/transporter-associated domain-like	FAD-binding/transporter-associated domain-like	CO dehydrogenase flavoprotein N-terminal domain-like	Carbon monoxide (CO) dehydrogenase flavoprotein, N-terminal domain	(Hydrogenophaga pseudoflava ) [TaxId: 47421 ],	SCOPe (2.08)
F	d1ffvf1	Alpha and beta proteins (a+b)	CO dehydrogenase flavoprotein C-domain-like	CO dehydrogenase flavoprotein C-terminal domain-like	CO dehydrogenase flavoprotein C-terminal domain-like	Carbon monoxide (CO) dehydrogenase flavoprotein, C-terminal domain	(Hydrogenophaga pseudoflava ) [TaxId: 47421 ],	SCOPe (2.08)
F	d1ffvf2	Alpha and beta proteins (a+b)	FAD-binding/transporter-associated domain-like	FAD-binding/transporter-associated domain-like	CO dehydrogenase flavoprotein N-terminal domain-like	Carbon monoxide (CO) dehydrogenase flavoprotein, N-terminal domain	(Hydrogenophaga pseudoflava ) [TaxId: 47421 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2 Family	Molybdenum cofactor-binding domain	8024072	4001972	SCOP2 (2022-06-29)
B	SCOP2 Family	CO dehydrogenase molybdoprotein N-domain-like	8022627	4001129	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Molybdenum cofactor-binding domain	8036451	3000625	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	CO dehydrogenase molybdoprotein N-domain-like	8035007	3000847	SCOP2 (2022-06-29)
E	SCOP2B Superfamily	CO dehydrogenase molybdoprotein N-domain-like	8035007	3000847	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Molybdenum cofactor-binding domain	8036451	3000625	SCOP2B (2022-06-29)
C	SCOP2 Family	CO dehydrogenase flavoprotein C-terminal domain-like	8022993	4001591	SCOP2 (2022-06-29)
C	SCOP2 Family	CO dehydrogenase flavoprotein N-terminal domain-like	8024331	4002187	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	CO dehydrogenase flavoprotein C-terminal domain-like	8035373	3001921	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	FAD-binding/transporter-associated domain-like	8036710	3000913	SCOP2 (2022-06-29)
F	SCOP2B Superfamily	CO dehydrogenase flavoprotein C-terminal domain-like	8035373	3001921	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	FAD-binding/transporter-associated domain-like	8036710	3000913	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	Fer2_2	e1ffvA1	A: alpha bundles	X: CO dehydrogenase ISP C-domain like (From Topology)	H: CO dehydrogenase ISP C-domain like (From Topology)	T: CO dehydrogenase ISP C-domain like	F: Fer2_2	ECOD (1.6)
A	Fer2_3	e1ffvA2	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Fer2_3	ECOD (1.6)
D	Fer2_2	e1ffvD1	A: alpha bundles	X: CO dehydrogenase ISP C-domain like (From Topology)	H: CO dehydrogenase ISP C-domain like (From Topology)	T: CO dehydrogenase ISP C-domain like	F: Fer2_2	ECOD (1.6)
D	Fer2_3	e1ffvD2	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Fer2_3	ECOD (1.6)
B	Ald_Xan_dh_C2	e1ffvB3	A: a+b two layers	X: MocoBD/DmpA-related (From Homology)	H: MocoBD/DmpA-related	T: Molybdenum cofactor-binding domain	F: Ald_Xan_dh_C2	ECOD (1.6)
B	Ald_Xan_dh_C	e1ffvB2	A: a+b complex topology	X: alpha/beta-Hammerhead/Barrel-sandwich hybrid	H: alpha/beta-Hammerhead/Barrel-sandwich hybrid	T: CO dehydrogenase molybdoprotein N-domain-like	F: Ald_Xan_dh_C	ECOD (1.6)
E	Ald_Xan_dh_C2	e1ffvE4	A: a+b two layers	X: MocoBD/DmpA-related (From Homology)	H: MocoBD/DmpA-related	T: Molybdenum cofactor-binding domain	F: Ald_Xan_dh_C2	ECOD (1.6)
E	Ald_Xan_dh_C	e1ffvE2	A: a+b complex topology	X: alpha/beta-Hammerhead/Barrel-sandwich hybrid	H: alpha/beta-Hammerhead/Barrel-sandwich hybrid	T: CO dehydrogenase molybdoprotein N-domain-like	F: Ald_Xan_dh_C	ECOD (1.6)
C	CO_deh_flav_C	e1ffvC1	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: SufE/NifU (From Topology)	T: SufE/NifU	F: CO_deh_flav_C	ECOD (1.6)
C	FAD_binding_5	e1ffvC2	A: a+b complex topology	X: FAD-binding domain-like	H: FAD-binding domain (From Topology)	T: FAD-binding domain	F: FAD_binding_5	ECOD (1.6)
F	CO_deh_flav_C	e1ffvF1	A: a+b two layers	X: FAD-linked reductases, C-terminal domain-like	H: SufE/NifU (From Topology)	T: SufE/NifU	F: CO_deh_flav_C	ECOD (1.6)
F	FAD_binding_5	e1ffvF2	A: a+b complex topology	X: FAD-binding domain-like	H: FAD-binding domain (From Topology)	T: FAD-binding domain	F: FAD_binding_5	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.20.30	Alpha Beta	Roll	Ubiquitin-like (UB roll)	Beta-grasp domain	CATH (4.3.0)
A	1.10.150.120	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)
D	3.10.20.30	Alpha Beta	Roll	Ubiquitin-like (UB roll)	Beta-grasp domain	CATH (4.3.0)
D	1.10.150.120	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)
B	3.90.1170.50	Alpha Beta	Alpha-Beta Complex	Aldehyde Oxidoreductase	domain 3	CATH (4.3.0)
B	3.30.365.10	Alpha Beta	2-Layer Sandwich	Aldehyde Oxidoreductase	domain 4	CATH (4.3.0)
E	3.90.1170.50	Alpha Beta	Alpha-Beta Complex	Aldehyde Oxidoreductase	domain 3	CATH (4.3.0)
E	3.30.365.10	Alpha Beta	2-Layer Sandwich	Aldehyde Oxidoreductase	domain 4	CATH (4.3.0)
C	3.30.43.10	Alpha Beta	2-Layer Sandwich	Uridine Diphospho-n-acetylenolpyruvylglucosamine Reductase	domain 2	CATH (4.3.0)
C	3.30.390.50	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
C	3.30.465.10	Alpha Beta	2-Layer Sandwich	Uridine Diphospho-n-acetylenolpyruvylglucosamine Reductase	domain 3	CATH (4.3.0)
F	3.30.43.10	Alpha Beta	2-Layer Sandwich	Uridine Diphospho-n-acetylenolpyruvylglucosamine Reductase	domain 2	CATH (4.3.0)
F	3.30.390.50	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
F	3.30.465.10	Alpha Beta	2-Layer Sandwich	Uridine Diphospho-n-acetylenolpyruvylglucosamine Reductase	domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, D	PF01799	[2Fe-2S] binding domain (Fer2_2)	[2Fe-2S] binding domain	-	Domain
A, D	PF00111	2Fe-2S iron-sulfur cluster binding domain (Fer2)	2Fe-2S iron-sulfur cluster binding domain	-	Domain
B, E	PF01315	Aldehyde oxidase and xanthine dehydrogenase, a/b hammerhead domain (Ald_Xan_dh_C)	Aldehyde oxidase and xanthine dehydrogenase, a/b hammerhead domain	-	Domain
B, E	PF20256	Molybdopterin cofactor-binding domain (MoCoBD_2)	Molybdopterin cofactor-binding domain	-	Domain
B, E	PF02738	Molybdopterin cofactor-binding domain (MoCoBD_1)	Molybdopterin cofactor-binding domain	-	Domain
C, F	PF00941	FAD binding domain in molybdopterin dehydrogenase (FAD_binding_5)	FAD binding domain in molybdopterin dehydrogenase	-	Family
C, F	PF03450	CO dehydrogenase flavoprotein C-terminal domain (CO_deh_flav_C)	CO dehydrogenase flavoprotein C-terminal domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, D	CUTS, IRON-SULFUR PROTEIN OF CARBON MONOXIDE DEHYDROGENASE	iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding metal cluster binding small molecule binding oxidoreductase activity, acting on the aldehyde or oxo group of donors, cytochrome as acceptor oxidoreductase activity oxidoreductase activity, acting on the aldehyde or oxo group of donors catalytic activity carbon-monoxide oxygenase activity cation binding ion binding metal ion binding	-	-
B, E	CUTL, MOLYBDOPROTEIN OF CARBON MONOXIDE DEHYDROGENASE	cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding molybdenum ion binding oxidoreductase activity carbon-monoxide dehydrogenase (acceptor) 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, cytochrome as acceptor carbon-monoxide oxygenase activity cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding molybdenum ion binding oxidoreductase activity carbon-monoxide dehydrogenase (acceptor) 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, cytochrome as acceptor carbon-monoxide oxygenase activity iron ion binding	-	-
C, F	CUTM, FLAVOPROTEIN OF CARBON MONOXIDE DEHYDROGENASE	oxidoreductase activity carbon-monoxide dehydrogenase (acceptor) 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, cytochrome as acceptor carbon-monoxide oxygenase activity FAD binding flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding nucleotide binding oxidoreductase activity carbon-monoxide dehydrogenase (acceptor) 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, cytochrome as acceptor carbon-monoxide oxygenase activity FAD binding flavin adenine dinucleotide binding binding nucleoside phosphate binding ion binding organic cyclic compound binding anion binding nucleotide binding heterocyclic compound binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, D	IPR002888	[2Fe-2S]-binding	Domain
A, D	IPR036010	2Fe-2S ferredoxin-like superfamily	Homologous Superfamily
A, D	IPR001041	2Fe-2S ferredoxin-type iron-sulfur binding domain	Domain
A, D	IPR036884	[2Fe-2S]-binding domain superfamily	Homologous Superfamily
A, D	IPR012675	Beta-grasp domain superfamily	Homologous Superfamily
B, E	IPR046867	Aldehyde oxidase/xanthine dehydrogenase, second molybdopterin binding domain	Domain
B, E	IPR000674	Aldehyde oxidase/xanthine dehydrogenase, a/b hammerhead	Domain
B, E	IPR012780	Carbon-monoxide dehydrogenase, large subunit	Family
B, E	IPR016208	Aldehyde oxidase/xanthine dehydrogenase-like	Family
B, E	IPR036856	Aldehyde oxidase/xanthine dehydrogenase, a/b hammerhead superfamily	Homologous Superfamily
B, E	IPR037165	Aldehyde oxidase/xanthine dehydrogenase, molybdopterin binding domain superfamily	Homologous Superfamily
B, E	IPR008274	Aldehyde oxidase/xanthine dehydrogenase, first molybdopterin binding domain	Domain
C, F	IPR016167	FAD-binding, type PCMH, subdomain 1	Homologous Superfamily
C, F	IPR036683	CO dehydrogenase flavoprotein, C-terminal domain superfamily	Homologous Superfamily
C, F	IPR036318	FAD-binding, type PCMH-like superfamily	Homologous Superfamily
C, F	IPR016169	FAD-binding, type PCMH, subdomain 2	Homologous Superfamily
C, F	IPR016166	FAD-binding domain, PCMH-type	Domain
C, F	IPR005107	CO dehydrogenase flavoprotein, C-terminal	Domain
C, F	IPR002346	Molybdopterin dehydrogenase, FAD-binding	Domain

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B, E	ARO	Parent Component: ARG RESID: AA0215 PSI-MOD : 4-hydroxy-L-arginine MOD:00220
B, E	CSZ	Parent Component: CYS RESID: AA0215 , AA0277 PSI-MOD : 4-hydroxy-L-arginine MOD:00220 , S-selenyl-L-cysteine MOD:00282

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.