Gene Gene information from NCBI Gene database.
Entrez ID 3795
Gene name Ketohexokinase
Gene symbol KHK
Synonyms (NCBI Gene)
FRUCTU
Chromosome 2
Chromosome location 2p23.3
Summary This gene encodes ketohexokinase that catalyzes conversion of fructose to fructose-1-phosphate. The product of this gene is the first enzyme with a specialized pathway that catabolizes dietary fructose. Alternatively spliced transcript variants encoding d
SNPs SNP information provided by dbSNP.
2
SNP ID Visualize variation Clinical significance Consequence
rs104893643 G>A,C Affects Coding sequence variant, intron variant, missense variant
rs104893644 G>A Affects Coding sequence variant, intron variant, missense variant
miRNA miRNA information provided by mirtarbase database.
34
miRTarBase ID miRNA Experiments Reference
MIRT019807 hsa-miR-375 Microarray 20215506
MIRT029406 hsa-miR-26b-5p Microarray 19088304
MIRT1085251 hsa-miR-3667-5p CLIP-seq
MIRT1085252 hsa-miR-4762-5p CLIP-seq
MIRT1085253 hsa-miR-1207-5p CLIP-seq
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
27
GO ID Ontology Definition Evidence Reference
GO:0000166 Function Nucleotide binding IEA
GO:0004454 Function Ketohexokinase activity IBA
GO:0004454 Function Ketohexokinase activity IDA 12941785, 22371574
GO:0004454 Function Ketohexokinase activity IEA
GO:0004454 Function Ketohexokinase activity TAS 7833921
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
614058 6315 ENSG00000138030
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P50053
Protein name Ketohexokinase (EC 2.7.1.3) (Hepatic fructokinase)
Protein function Catalyzes the phosphorylation of the ketose sugar fructose to fructose-1-phosphate.
PDB 2HLZ , 2HQQ , 2HW1 , 3B3L , 3NBV , 3NBW , 3NC2 , 3NC9 , 3NCA , 3Q92 , 3QA2 , 3QAI , 3RO4 , 5WBM , 5WBO , 5WBP , 5WBQ , 5WBR , 5WBZ , 6UL7 , 6W0N , 6W0W , 6W0X , 6W0Y , 6W0Z , 8OME , 8OMF , 8OMJ , 8OMK , 8UG1 , 8UG3 , 9FHD , 9FHE
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00294 PfkB 3 294 pfkB family carbohydrate kinase Family
Tissue specificity TISSUE SPECIFICITY: Most abundant in liver, kidney, gut, spleen and pancreas. Low levels also found in adrenal, muscle, brain and eye. {ECO:0000269|PubMed:9799106}.
Sequence
Sequence length 298
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Fructose and mannose metabolism
Metabolic pathways
  Essential fructosuria
Fructose catabolism
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
90
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Essential fructosuria Pathogenic rs104893644 RCV000012812
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Cervical cancer Benign rs7578864 RCV005913836
Gastric cancer Benign rs7578864 RCV005913837
KHK-related disorder Likely benign; Uncertain significance; Benign rs143669793, rs61735560, rs539559919, rs750189672, rs750201072, rs7578864 RCV003940369
RCV003929708
RCV003977184
RCV003944251
RCV003973097
RCV003906251
Ovarian serous cystadenocarcinoma Benign rs7578864 RCV005913838
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
Adenoma Associate 24567419
Carcinoma Hepatocellular Associate 29449409
Carcinoma Renal Cell Associate 15953868
Endometrial Neoplasms Associate 39465767
Fructosuria Associate 19237742, 33621267
Inflammation Associate 36194576
Neoplasms Associate 24567419
Pulmonary Disease Chronic Obstructive Associate 36194576