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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Ad2c3ma1 Alpha and beta proteins (a/b) Thiamin diphosphate-binding fold (THDP-binding) Thiamin diphosphate-binding fold (THDP-binding) PFOR Pyr module Pyruvate-ferredoxin oxidoreductase, PFOR, domain I (Desulfocurvibacter africanus ) [TaxId: 873 ], SCOPe (2.08)
Ad2c3ma2 Alpha and beta proteins (a/b) Thiamin diphosphate-binding fold (THDP-binding) Thiamin diphosphate-binding fold (THDP-binding) PFOR PP module Pyruvate-ferredoxin oxidoreductase, PFOR, domains VI (Desulfocurvibacter africanus ) [TaxId: 873 ], SCOPe (2.08)
Ad2c3ma3 Alpha and beta proteins (a/b) TK C-terminal domain-like TK C-terminal domain-like Pyruvate-ferredoxin oxidoreductase, PFOR, domain II Pyruvate-ferredoxin oxidoreductase, PFOR, domain II (Desulfocurvibacter africanus ) [TaxId: 873 ], SCOPe (2.08)
Ad2c3ma4 Alpha and beta proteins (a/b) Pyruvate-ferredoxin oxidoreductase, PFOR, domain III Pyruvate-ferredoxin oxidoreductase, PFOR, domain III Pyruvate-ferredoxin oxidoreductase, PFOR, domain III Pyruvate-ferredoxin oxidoreductase, PFOR, domain III (Desulfocurvibacter africanus ) [TaxId: 873 ], SCOPe (2.08)
Ad2c3ma5 Alpha and beta proteins (a+b) Ferredoxin-like 4Fe-4S ferredoxins Ferredoxin domains from multidomain proteins Pyruvate-ferredoxin oxidoreductase, PFOR, domain V (Desulfocurvibacter africanus ) [TaxId: 873 ], SCOPe (2.08)
Bd2c3mb1 Alpha and beta proteins (a/b) Thiamin diphosphate-binding fold (THDP-binding) Thiamin diphosphate-binding fold (THDP-binding) PFOR Pyr module Pyruvate-ferredoxin oxidoreductase, PFOR, domain I (Desulfocurvibacter africanus ) [TaxId: 873 ], SCOPe (2.08)
Bd2c3mb2 Alpha and beta proteins (a/b) Thiamin diphosphate-binding fold (THDP-binding) Thiamin diphosphate-binding fold (THDP-binding) PFOR PP module Pyruvate-ferredoxin oxidoreductase, PFOR, domains VI (Desulfocurvibacter africanus ) [TaxId: 873 ], SCOPe (2.08)
Bd2c3mb3 Alpha and beta proteins (a/b) TK C-terminal domain-like TK C-terminal domain-like Pyruvate-ferredoxin oxidoreductase, PFOR, domain II Pyruvate-ferredoxin oxidoreductase, PFOR, domain II (Desulfocurvibacter africanus ) [TaxId: 873 ], SCOPe (2.08)
Bd2c3mb4 Alpha and beta proteins (a/b) Pyruvate-ferredoxin oxidoreductase, PFOR, domain III Pyruvate-ferredoxin oxidoreductase, PFOR, domain III Pyruvate-ferredoxin oxidoreductase, PFOR, domain III Pyruvate-ferredoxin oxidoreductase, PFOR, domain III (Desulfocurvibacter africanus ) [TaxId: 873 ], SCOPe (2.08)
Bd2c3mb5 Alpha and beta proteins (a+b) Ferredoxin-like 4Fe-4S ferredoxins Ferredoxin domains from multidomain proteins Pyruvate-ferredoxin oxidoreductase, PFOR, domain V (Desulfocurvibacter africanus ) [TaxId: 873 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyThiamin diphosphate-binding fold (THDP-binding) 8039273 3001790 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyThiamin diphosphate-binding fold (THDP-binding) 8039276 3001790 SCOP2B (2022-06-29)
ASCOP2B Superfamily4Fe-4S ferredoxins 8039286 3000020 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyPyruvate-ferredoxin oxidoreductase, PFOR, domain III 8039282 3000879 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyTK C-terminal domain-like 8039278 3000424 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyTK C-terminal domain-like 8039278 3000424 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyThiamin diphosphate-binding fold (THDP-binding) 8039273 3001790 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyThiamin diphosphate-binding fold (THDP-binding) 8039276 3001790 SCOP2B (2022-06-29)
BSCOP2B Superfamily4Fe-4S ferredoxins 8039286 3000020 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyPyruvate-ferredoxin oxidoreductase, PFOR, domain III 8039282 3000879 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
Apyruv_ox_rede2c3mA5 A: alpha bundlesX: Bromodomain-likeH: Four-helical bundle insertion domain in pyruvate-ferredoxin oxidoreductase (From Topology)T: Four-helical bundle insertion domain in pyruvate-ferredoxin oxidoreductaseF: pyruv_ox_redECOD (1.6)
AFer4_21_1e2c3mA1 A: a+b two layersX: 4Fe-4S ferredoxin (From Topology)H: 4Fe-4S ferredoxin (From Topology)T: 4Fe-4S ferredoxinF: Fer4_21_1ECOD (1.6)
APORe2c3mA3 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: Pyruvate-ferredoxin oxidoreductase, PFOR, domain IIIF: PORECOD (1.6)
ATransketolase_Ce2c3mA2 A: a/b three-layered sandwichesX: TK C-terminal domain-like (From Topology)H: TK C-terminal domain-like (From Topology)T: TK C-terminal domain-likeF: Transketolase_CECOD (1.6)
APOR_Ne2c3mA4 A: a/b three-layered sandwichesX: 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_NECOD (1.6)
ATPP_enzyme_Ce2c3mA6 A: a/b three-layered sandwichesX: 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_CECOD (1.6)
Bpyruv_ox_rede2c3mB6 A: alpha bundlesX: Bromodomain-likeH: Four-helical bundle insertion domain in pyruvate-ferredoxin oxidoreductase (From Topology)T: Four-helical bundle insertion domain in pyruvate-ferredoxin oxidoreductaseF: pyruv_ox_redECOD (1.6)
BFer4_21_1e2c3mB1 A: a+b two layersX: 4Fe-4S ferredoxin (From Topology)H: 4Fe-4S ferredoxin (From Topology)T: 4Fe-4S ferredoxinF: Fer4_21_1ECOD (1.6)
BPORe2c3mB3 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: Pyruvate-ferredoxin oxidoreductase, PFOR, domain IIIF: PORECOD (1.6)
BTransketolase_Ce2c3mB2 A: a/b three-layered sandwichesX: TK C-terminal domain-like (From Topology)H: TK C-terminal domain-like (From Topology)T: TK C-terminal domain-likeF: Transketolase_CECOD (1.6)
BPOR_Ne2c3mB4 A: a/b three-layered sandwichesX: 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_NECOD (1.6)
BTPP_enzyme_Ce2c3mB5 A: a/b three-layered sandwichesX: 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_CECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF01855Pyruvate flavodoxin/ferredoxin oxidoreductase, thiamine diP-bdg (POR_N)Pyruvate flavodoxin/ferredoxin oxidoreductase, thiamine diP-bdg- Family
A, B
PF01558Pyruvate ferredoxin/flavodoxin oxidoreductase (POR)Pyruvate ferredoxin/flavodoxin oxidoreductase- Family
A, B
PF10371Domain of unknown function (EKR)Domain of unknown functionEKR is a short, 33 residue, domain found in bacterial and some lower eukaryotic species which lies between a POR (pyruvate ferredoxin/flavodoxin oxidoreductase) Pfam:PF01558 and the 4Fe-4S binding domain Fer4 Pfam:PF00037. It contains a characteristi ...EKR is a short, 33 residue, domain found in bacterial and some lower eukaryotic species which lies between a POR (pyruvate ferredoxin/flavodoxin oxidoreductase) Pfam:PF01558 and the 4Fe-4S binding domain Fer4 Pfam:PF00037. It contains a characteristic EKR sequence motif. The exact function of this domain is not known.
Domain
A, B
PF17147Pyruvate:ferredoxin oxidoreductase core domain II (PFOR_II)Pyruvate:ferredoxin oxidoreductase core domain IIPFOR_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
A, B
PF02775Thiamine pyrophosphate enzyme, C-terminal TPP binding domain (TPP_enzyme_C)Thiamine pyrophosphate enzyme, C-terminal TPP binding domain- Domain
A, B
PF000374Fe-4S binding domain (Fer4)4Fe-4S binding domainSuperfamily 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
A, B
PF22338Pyruvate-ferredoxin oxidoreductase, insertion domain (Pyruv_OxRed_insertion)Pyruvate-ferredoxin oxidoreductase, insertion domainThis entry represents the insertion domain of Pyruvate-flavodoxin oxidoreductases [1,2], which adopts a four helical bundle fold.Domain

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

ChainsEnzyme NameDescriptionCatalytic Residues
pyruvate:ferredoxin oxidoreducatse  M-CSA #119

Pyruvate:ferrodoxin/flavodoxin reductases (PFORs) catalyse the oxidative decarboxylation of pyruvate to acetyl-CoA in anaerobic organisms. PFORs can occur in both obligately and facultatively anaerobic bacteria and also some eukaryotic microorganisms. PFORs are single-chain enzymes containing a thiamin pyrophosphate cofactor for the cleavage of carbon-carbon bonds next to a carbonyl group, and iron-sulphur clusters for electron transfer. Ferredoxin I and ferredoxin II, which are single 4Fe-4S cluster ferredoxins are the most effective electron carriers for PFORs in Desulfovibrio africanus.

Defined by 4 residues: THR:A-30 [auth A-31]GLU:A-63 [auth A-64]ARG:A-113 [auth A-114]ASN:A-995 [auth A-996]
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