Annotations: 5C4I

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Transketolase_C	e5c4iA2	A: a/b three-layered sandwiches	X: TK C-terminal domain-like (From Topology)	H: TK C-terminal domain-like (From Topology)	T: TK C-terminal domain-like	F: Transketolase_C	ECOD (1.6)
A	POR_N	e5c4iA1	A: a/b three-layered sandwiches	X: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	H: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	T: Thiamin diphosphate-binding fold (THDP-binding)	F: POR_N	ECOD (1.6)
D	Transketolase_C	e5c4iD2	A: a/b three-layered sandwiches	X: TK C-terminal domain-like (From Topology)	H: TK C-terminal domain-like (From Topology)	T: TK C-terminal domain-like	F: Transketolase_C	ECOD (1.6)
D	POR_N	e5c4iD1	A: a/b three-layered sandwiches	X: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	H: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	T: Thiamin diphosphate-binding fold (THDP-binding)	F: POR_N	ECOD (1.6)
B	Fer4_21_1	e5c4iB1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: Fer4_21_1	ECOD (1.6)
B	POR	e5c4iB2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: Pyruvate-ferredoxin oxidoreductase, PFOR, domain III	F: POR	ECOD (1.6)
E	Fer4_21_1	e5c4iE2	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: Fer4_21_1	ECOD (1.6)
E	POR	e5c4iE1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: Pyruvate-ferredoxin oxidoreductase, PFOR, domain III	F: POR	ECOD (1.6)
C	TPP_enzyme_C	e5c4iC1	A: a/b three-layered sandwiches	X: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	H: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	T: Thiamin diphosphate-binding fold (THDP-binding)	F: TPP_enzyme_C	ECOD (1.6)
F	TPP_enzyme_C	e5c4iF1	A: a/b three-layered sandwiches	X: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	H: Thiamin diphosphate-binding fold (THDP-binding) (From Topology)	T: Thiamin diphosphate-binding fold (THDP-binding)	F: TPP_enzyme_C	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.970	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains	CATH (4.3.0)
A	3.40.50.920	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
D	3.40.50.970	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains	CATH (4.3.0)
D	3.40.50.920	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, D	PF01855	Pyruvate flavodoxin/ferredoxin oxidoreductase, thiamine diP-bdg (POR_N)	Pyruvate flavodoxin/ferredoxin oxidoreductase, thiamine diP-bdg	-	Family
A, D	PF17147	Pyruvate:ferredoxin oxidoreductase core domain II (PFOR_II)	Pyruvate:ferredoxin oxidoreductase core domain II	PFOR_II is a core domain of the anaerobic enzyme pyruvate:ferredoxin oxidoreductase and is necessary for inter subunit contacts in conjunction with domains I and IV [1,2].	Domain
B, E	PF01558	Pyruvate ferredoxin/flavodoxin oxidoreductase (POR)	Pyruvate ferredoxin/flavodoxin oxidoreductase	-	Family
B, E	PF00037	4Fe-4S binding domain (Fer4)	4Fe-4S binding 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
C, F	PF02775	Thiamine pyrophosphate enzyme, C-terminal TPP binding domain (TPP_enzyme_C)	Thiamine pyrophosphate enzyme, C-terminal TPP binding domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, D	Oxalate oxidoreductase subunit alpha	oxidoreductase activity, acting on the aldehyde or oxo group of donors, iron-sulfur protein as acceptor oxidoreductase activity oxidoreductase activity, acting on the aldehyde or oxo group of donors catalytic activity	oxalate catabolic process catabolic process oxoacid metabolic process cellular metabolic process dicarboxylic acid metabolic process carboxylic acid metabolic process dicarboxylic acid catabolic process organic acid metabolic process organic acid catabolic process cellular catabolic process organic substance metabolic process oxalate metabolic process carboxylic acid catabolic process small molecule metabolic process oxalate catabolic process catabolic process oxoacid metabolic process cellular metabolic process dicarboxylic acid metabolic process carboxylic acid metabolic process dicarboxylic acid catabolic process organic acid metabolic process organic acid catabolic process cellular catabolic process organic substance metabolic process oxalate metabolic process carboxylic acid catabolic process small molecule metabolic process metabolic process cellular process small molecule catabolic process organic substance catabolic process	-
B, E	Oxalate oxidoreductase subunit delta	oxidoreductase activity, acting on the aldehyde or oxo group of donors, iron-sulfur protein as acceptor oxidoreductase activity oxidoreductase activity, acting on the aldehyde or oxo group of donors 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	oxalate catabolic process catabolic process oxoacid metabolic process cellular metabolic process dicarboxylic acid metabolic process carboxylic acid metabolic process dicarboxylic acid catabolic process organic acid metabolic process organic acid catabolic process cellular catabolic process organic substance metabolic process oxalate metabolic process carboxylic acid catabolic process small molecule metabolic process oxalate catabolic process catabolic process oxoacid metabolic process cellular metabolic process dicarboxylic acid metabolic process carboxylic acid metabolic process dicarboxylic acid catabolic process organic acid metabolic process organic acid catabolic process cellular catabolic process organic substance metabolic process oxalate metabolic process carboxylic acid catabolic process small molecule metabolic process metabolic process cellular process small molecule catabolic process organic substance catabolic process	-
C, F	Oxalate oxidoreductase subunit beta	oxidoreductase activity, acting on the aldehyde or oxo group of donors, iron-sulfur protein as acceptor oxidoreductase activity oxidoreductase activity, acting on the aldehyde or oxo group of donors 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 vitamin binding thiamine pyrophosphate binding oxidoreductase activity, acting on the aldehyde or oxo group of donors, iron-sulfur protein as acceptor oxidoreductase activity oxidoreductase activity, acting on the aldehyde or oxo group of donors 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 vitamin binding thiamine pyrophosphate binding organic cyclic compound binding anion binding quaternary ammonium group binding heterocyclic compound binding sulfur compound binding	oxalate catabolic process catabolic process oxoacid metabolic process cellular metabolic process dicarboxylic acid metabolic process carboxylic acid metabolic process dicarboxylic acid catabolic process organic acid metabolic process organic acid catabolic process cellular catabolic process organic substance metabolic process oxalate metabolic process carboxylic acid catabolic process small molecule metabolic process oxalate catabolic process catabolic process oxoacid metabolic process cellular metabolic process dicarboxylic acid metabolic process carboxylic acid metabolic process dicarboxylic acid catabolic process organic acid metabolic process organic acid catabolic process cellular catabolic process organic substance metabolic process oxalate metabolic process carboxylic acid catabolic process small molecule metabolic process metabolic process cellular process small molecule catabolic process organic substance catabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, D	IPR033412	Pyruvate:ferredoxin oxidoreductase, core domain II	Domain
A, D	IPR029061	Thiamin diphosphate-binding fold	Homologous Superfamily
A, D	IPR009014	Transketolase C-terminal/Pyruvate-ferredoxin oxidoreductase domain II	Homologous Superfamily
A, D	IPR002880	Pyruvate flavodoxin/ferredoxin oxidoreductase, pyrimidine binding domain	Domain
B, E	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
B, E	IPR002869	Pyruvate-flavodoxin oxidoreductase, central domain	Homologous Superfamily
B, E	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
B, E	IPR011898	2-oxoacid:acceptor oxidoreductase, delta subunit, pyruvate/2-ketoisovalerate	Family
B, E	IPR019752	Pyruvate/ketoisovalerate oxidoreductase, catalytic domain	Domain
C, F	IPR029061	Thiamin diphosphate-binding fold	Homologous Superfamily
C, F	IPR011766	Thiamine pyrophosphate enzyme, TPP-binding	Domain

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.