2HQQ

Crystal structure of human ketohexokinase complexed to different sugar molecules

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Ribokinase-like	8075376	4000759	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Ribokinase-like	8075377	3001268	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PfkB	e2hqqA1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Ribokinase-like (From Topology)	T: Ribokinase-like	F: PfkB	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.1190.20	Alpha Beta	3-Layer(aba) Sandwich	UDP-N-acetylmuramoyl-L-alanine:D-glutamate ligase	Ribokinase	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00294	pfkB family carbohydrate kinase (PfkB)	pfkB family carbohydrate kinase	This family includes a variety of carbohydrate and pyrimidine kinases.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Ketohexokinase	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding carbohydrate kinase activity kinase activity ketohexokinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups	response to stimulus response to metal ion response to chemical response to zinc ion monosaccharide metabolic process carbohydrate metabolic process hexose metabolic process small molecule metabolic process metabolic process cellular process primary metabolic process fructose metabolic process response to hormone response to endogenous stimulus response to stimulus response to metal ion response to chemical response to zinc ion monosaccharide metabolic process carbohydrate metabolic process hexose metabolic process small molecule metabolic process metabolic process cellular process primary metabolic process fructose metabolic process response to hormone response to endogenous stimulus response to peptide hormone response to insulin response to oxygen-containing compound response to nitrogen compound regulation of biological process regulation of cellular process energy derivation by oxidation of organic compounds glycogen metabolic process biological regulation regulation of generation of precursor metabolites and energy generation of precursor metabolites and energy regulation of macromolecule metabolic process regulation of polysaccharide metabolic process regulation of primary metabolic process glucan metabolic process polysaccharide metabolic process energy reserve metabolic process macromolecule metabolic process regulation of glycogen metabolic process regulation of carbohydrate metabolic process regulation of metabolic process response to hexose response to monosaccharide response to carbohydrate response to fructose response to glucose response to sucrose response to disaccharide	extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR034093	Ketohexokinase	Family
A	IPR011611	Carbohydrate kinase PfkB	Domain
A	IPR052562	Ketohexokinase-related	Family
A	IPR029056	Ribokinase-like	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P50053	essential fructosuria astrocytic tumor large cell medulloblastoma medulloblastoma atypical teratoid rhabdoid tumor lung cancer nephrosclerosis malignant glioma pancreatic ductal adenocarcinoma

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.