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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Ad1ig8a1 Alpha and beta proteins (a/b) Ribonuclease H-like motif Actin-like ATPase domain Hexokinase Hexokinase (Saccharomyces cerevisiae ) [TaxId: 4932 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2 FamilyHexokinase 8023103 4000524 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyActin-like ATPases 8035484 3000092 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyActin-like ATPases 8035483 3000092 SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AHexokinase_1e1ig8A1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Hexokinase_1ECOD (1.6)
AHexokinase_2e1ig8A2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Hexokinase_2ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A1.10.287.1250 Mainly Alpha Orthogonal Bundle Helix Hairpins CATH (4.3.0)
A3.30.420.40 Alpha Beta 2-Layer Sandwich Nucleotidyltransferase domain 5CATH (4.3.0)
A3.40.367.20 Alpha Beta 3-Layer(aba) Sandwich Hexokinase domain 1CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF03727Hexokinase (Hexokinase_2)HexokinaseHexokinase (EC:2.7.1.1) contains two structurally similar domains represented by this family and Pfam:PF00349. Some members of the family have two copies of each of these domains.Domain
PF00349Hexokinase (Hexokinase_1)HexokinaseHexokinase (EC:2.7.1.1) contains two structurally similar domains represented by this family and Pfam:PF03727. Some members of the family have two copies of each of these domains.Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
hexokinase PII

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

ChainsEnzyme NameDescriptionCatalytic Residues
hexokinase (type II)  M-CSA #651

Yeast Hexokinase PII is one of the two isoenzymes present in Saccharomyces cerevisiae which are able to catalyse the phosphorylation of glucose to glucose-6-phosphate. This is the first step in glycolysis, so is of vital importance as it creates an intermediate which can be passed into many other pathways such as glycogen synthesis and the pentose phosphate pathway. 80% sequence identity is observed between the isoenzymes, and both show significant structural identity to the mammalian form of the enzyme, allowing them to be placed together in the same homologous family.

Defined by 3 residues: SER:A-158ARG:A-173ASP:A-211
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