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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Ad1pvda1 Alpha and beta proteins (a/b) DHS-like NAD/FAD-binding domain DHS-like NAD/FAD-binding domain Pyruvate oxidase and decarboxylase, middle domain Pyruvate decarboxylase baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ], SCOPe (2.08)
Ad1pvda2 Alpha and beta proteins (a/b) Thiamin diphosphate-binding fold (THDP-binding) Thiamin diphosphate-binding fold (THDP-binding) Pyruvate oxidase and decarboxylase Pyr module Pyruvate decarboxylase baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ], SCOPe (2.08)
Ad1pvda3 Alpha and beta proteins (a/b) Thiamin diphosphate-binding fold (THDP-binding) Thiamin diphosphate-binding fold (THDP-binding) Pyruvate oxidase and decarboxylase PP module Pyruvate decarboxylase baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ], SCOPe (2.08)
Bd1pvdb1 Alpha and beta proteins (a/b) DHS-like NAD/FAD-binding domain DHS-like NAD/FAD-binding domain Pyruvate oxidase and decarboxylase, middle domain Pyruvate decarboxylase baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ], SCOPe (2.08)
Bd1pvdb2 Alpha and beta proteins (a/b) Thiamin diphosphate-binding fold (THDP-binding) Thiamin diphosphate-binding fold (THDP-binding) Pyruvate oxidase and decarboxylase Pyr module Pyruvate decarboxylase baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ], SCOPe (2.08)
Bd1pvdb3 Alpha and beta proteins (a/b) Thiamin diphosphate-binding fold (THDP-binding) Thiamin diphosphate-binding fold (THDP-binding) Pyruvate oxidase and decarboxylase PP module Pyruvate decarboxylase baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ], 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) 8044266 3001790 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyDHS-like NAD/FAD-binding domain 8044248 3001728 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyThiamin diphosphate-binding fold (THDP-binding) 8044267 3001790 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyThiamin diphosphate-binding fold (THDP-binding) 8044267 3001790 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyDHS-like NAD/FAD-binding domain 8044248 3001728 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyThiamin diphosphate-binding fold (THDP-binding) 8044266 3001790 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
ATPP_enzyme_Me1pvdA1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: DHS-like NAD/FAD-binding domainF: TPP_enzyme_MECOD (1.6)
ATPP_enzyme_Ce1pvdA3 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)
ATPP_enzyme_Ne1pvdA2 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_NECOD (1.6)
BTPP_enzyme_Me1pvdB1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: DHS-like NAD/FAD-binding domainF: TPP_enzyme_MECOD (1.6)
BTPP_enzyme_Ce1pvdB3 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)
BTPP_enzyme_Ne1pvdB2 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_NECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF00205Thiamine pyrophosphate enzyme, central domain (TPP_enzyme_M)Thiamine pyrophosphate enzyme, central domainThe central domain of TPP enzymes contains a 2-fold Rossman fold.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
PF02776Thiamine pyrophosphate enzyme, N-terminal TPP binding domain (TPP_enzyme_N)Thiamine pyrophosphate enzyme, N-terminal TPP binding domain- Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
PYRUVATE DECARBOXYLASE

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

ChainsEnzyme NameDescriptionCatalytic Residues
A, B
pyruvate decarboxylase  M-CSA #215

pyruvate decarboxylase isoenzyme 1 (PDC1) is the major isoform of pyruvate decarboxylase and is implicated in the nonoxidative conversion of pyruvate to acetaldehyde and carbon dioxide during alcoholic fermentation. PDC1 is a thiamine diphosphate-dependent enzyme. It also requires Mg2+ for activity, however the magnesium is involved in anchoring the cofactor rather than directly involved in catalysis.

Defined by 9 residues: GLY:A-412 [auth A-413]ASP:A-443 [auth A-444]ASN:A-470 [auth A-471]GLY:A-472 [auth A-473]GLU:A-476 [auth A-477]ASP:B-27 [auth B-28]GLU:B-50 [auth B-51]HIS:B-113 [auth B-114]HIS:B-114 [auth B-115]
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