Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APF00224e4krzA2 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: PK beta-barrel domain-likeF: PF00224ECOD (1.6)
APF00224e4krzA3 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: PF00224ECOD (1.6)
APF02887e4krzA1 A: a/b three-layered sandwichesX: PK C-terminal domain-like (From Topology)H: PK C-terminal domain-like (From Topology)T: PK C-terminal domain-likeF: PF02887ECOD (1.6)
BPF00224e4krzB2 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: PK beta-barrel domain-likeF: PF00224ECOD (1.6)
BPF00224e4krzB3 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: PF00224ECOD (1.6)
BPF02887e4krzB1 A: a/b three-layered sandwichesX: PK C-terminal domain-like (From Topology)H: PK C-terminal domain-like (From Topology)T: PK C-terminal domain-likeF: PF02887ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.40.1380.20 Alpha Beta 3-Layer(aba) Sandwich Pyruvate Kinase Chain: A, domain 1CATH (4.3.0)
A3.20.20.60 Alpha Beta Alpha-Beta Barrel TIM Barrel Phosphoenolpyruvate-binding domainsCATH (4.3.0)
B3.40.1380.20 Alpha Beta 3-Layer(aba) Sandwich Pyruvate Kinase Chain: A, domain 1CATH (4.3.0)
B3.20.20.60 Alpha Beta Alpha-Beta Barrel TIM Barrel Phosphoenolpyruvate-binding domainsCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF00224Pyruvate kinase, barrel domain (PK)Pyruvate kinase, barrel domainThis is the barrel domain of pyruvate kinases. This domain represents the beta/alpha barrel and the small beta-barrel domain inserted within it. The active site is found in a cleft between the two domains [1,2,3,4].Domain
A, B
PF02887Pyruvate kinase, alpha/beta domain (PK_C)Pyruvate kinase, alpha/beta domainPyruvate kinase catalyses the final step in glycolysis, the conversion of phosphoenolpyruvate to pyruvate with concomitant phosphorylation of ADP to ATP [1,2]. The structure of several pyruvate kinases from various organisms have been determined [2, ...Pyruvate kinase catalyses the final step in glycolysis, the conversion of phosphoenolpyruvate to pyruvate with concomitant phosphorylation of ADP to ATP [1,2]. The structure of several pyruvate kinases from various organisms have been determined [2, 3,4]. The protein comprises three-four domains: a small N-terminal helical domain (absent in bacterial PK), a beta/alpha barrel domain, a beta-barrel domain (inserted within the beta/alpha-barrel domain), and a 3-layer alpha/beta/alpha sandwich domain (represented in this entry). This domain is at the C-terminal of pyruvate kinases and contains the FBP (fructose 1,6-bisphosphate) binding site [2,4,5].
Domain