1TKB

SPECIFICITY OF COENZYME BINDING IN THIAMIN DIPHOSPHATE DEPENDENT ENZYMES: CRYSTAL STRUCTURES OF YEAST TRANSKETOLASE IN COMPLEX WITH ANALOGS OF THIAMIN DIPHOSPHATE


Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Bd1tkbb2 Alpha and beta proteins (a/b) Thiamin diphosphate-binding fold (THDP-binding) Thiamin diphosphate-binding fold (THDP-binding) TK-like Pyr module Transketolase (TK), Pyr module baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ], SCOPe (2.08)
Bd1tkbb1 Alpha and beta proteins (a/b) Thiamin diphosphate-binding fold (THDP-binding) Thiamin diphosphate-binding fold (THDP-binding) TK-like PP module Transketolase (TK), PP module baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ], SCOPe (2.08)
Bd1tkbb3 Alpha and beta proteins (a/b) TK C-terminal domain-like TK C-terminal domain-like Transketolase C-terminal domain-like Transketolase (TK), C-domain baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ], SCOPe (2.08)
Ad1tkba2 Alpha and beta proteins (a/b) Thiamin diphosphate-binding fold (THDP-binding) Thiamin diphosphate-binding fold (THDP-binding) TK-like Pyr module Transketolase (TK), Pyr module baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ], SCOPe (2.08)
Ad1tkba1 Alpha and beta proteins (a/b) Thiamin diphosphate-binding fold (THDP-binding) Thiamin diphosphate-binding fold (THDP-binding) TK-like PP module Transketolase (TK), PP module baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ], SCOPe (2.08)
Ad1tkba3 Alpha and beta proteins (a/b) TK C-terminal domain-like TK C-terminal domain-like Transketolase C-terminal domain-like Transketolase (TK), C-domain 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)
BSCOP2B SuperfamilyTK C-terminal domain-like8036147 3000424 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyThiamin diphosphate-binding fold (THDP-binding)8036144 3001790 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyThiamin diphosphate-binding fold (THDP-binding)8036146 3001790 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyTK C-terminal domain-like8036147 3000424 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyThiamin diphosphate-binding fold (THDP-binding)8036146 3001790 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyThiamin diphosphate-binding fold (THDP-binding)8036144 3001790 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BPF22613e1tkbB1 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: PF22613ECOD (1.6)
BPF00456e1tkbB3 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: PF00456ECOD (1.6)
BPF02779e1tkbB2 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: PF02779ECOD (1.6)
APF22613e1tkbA1 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: PF22613ECOD (1.6)
APF00456e1tkbA3 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: PF00456ECOD (1.6)
APF02779e1tkbA2 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: PF02779ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF02779Transketolase, pyrimidine binding domain (Transket_pyr)Transketolase, pyrimidine binding domainThis family includes transketolase enzymes, pyruvate dehydrogenases, and branched chain alpha-keto acid decarboxylases.Domain
A, B
PF02780Transketolase, C-terminal domain (Transketolase_C)Transketolase, C-terminal domainThe C-terminal domain of transketolase has been proposed as a regulatory molecule binding site [2].Domain
A, B
PF00456Transketolase, thiamine diphosphate binding domain (Transketolase_N)Transketolase, thiamine diphosphate binding domainThis family includes transketolase enzymes EC:2.2.1.1. and also partially matches to 2-oxoisovalerate dehydrogenase beta subunit Swiss:P37941 EC:1.2.4.4. Both these enzymes utilise thiamine pyrophosphate as a cofactor, suggesting there may be common ...This family includes transketolase enzymes EC:2.2.1.1. and also partially matches to 2-oxoisovalerate dehydrogenase beta subunit Swiss:P37941 EC:1.2.4.4. Both these enzymes utilise thiamine pyrophosphate as a cofactor, suggesting there may be common aspects in their mechanism of catalysis.
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
TRANSKETOLASE