Gene Gene information from NCBI Gene database.
Entrez ID 27010
Gene name Thiamin pyrophosphokinase 1
Gene symbol TPK1
Synonyms (NCBI Gene)
HTPK1PP20THMD5
Chromosome 7
Chromosome location 7q35
Summary The protein encoded by this gene functions as a homodimer and catalyzes the conversion of thiamine to thiamine pyrophosphate, a cofactor for some enzymes of the glycolytic and energy production pathways. Defects in this gene are a cause of thiamine metabo
SNPs SNP information provided by dbSNP.
14
SNP ID Visualize variation Clinical significance Consequence
rs113536847 G>A Benign, conflicting-interpretations-of-pathogenicity Synonymous variant, 3 prime UTR variant, non coding transcript variant, genic downstream transcript variant, coding sequence variant
rs368458768 C>G,T Pathogenic, uncertain-significance Missense variant, genic downstream transcript variant, coding sequence variant, non coding transcript variant, 3 prime UTR variant
rs371271054 T>C Pathogenic Missense variant, genic downstream transcript variant, coding sequence variant, non coding transcript variant, 3 prime UTR variant
rs375169579 T>A Pathogenic-likely-pathogenic, pathogenic Genic downstream transcript variant, intron variant
rs387906935 T>G Pathogenic Missense variant, intron variant, 5 prime UTR variant, coding sequence variant, synonymous variant, genic upstream transcript variant, non coding transcript variant
miRNA miRNA information provided by mirtarbase database.
62
miRTarBase ID miRNA Experiments Reference
MIRT525493 hsa-miR-548az-5p PAR-CLIP 22012620
MIRT525492 hsa-miR-548t-5p PAR-CLIP 22012620
MIRT525491 hsa-miR-106a-5p PAR-CLIP 22012620
MIRT525490 hsa-miR-106b-5p PAR-CLIP 22012620
MIRT525489 hsa-miR-17-5p PAR-CLIP 22012620
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
21
GO ID Ontology Definition Evidence Reference
GO:0000166 Function Nucleotide binding IEA
GO:0004788 Function Thiamine diphosphokinase activity IBA
GO:0004788 Function Thiamine diphosphokinase activity IDA 11342111, 38547260
GO:0004788 Function Thiamine diphosphokinase activity IEA
GO:0005515 Function Protein binding IPI 32296183
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
606370 17358 ENSG00000196511
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
Q9H3S4
Protein name Thiamine pyrophosphokinase 1 (hTPK1) (EC 2.7.6.-) (Placental protein 20) (PP20) (Thiamin pyrophosphokinase 1)
Protein function Catalyzes the phosphorylation of thiamine to thiamine pyrophosphate (TPP) utilizing UTP and therefore links the biosynthesis of TPP to pyrimidines metabolism (PubMed:38547260). By producing thiamine pyrophosphate, a cofactor of the mitochondrial
PDB 3S4Y , 9HJC
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF04263 TPK_catalytic 32 154 Thiamin pyrophosphokinase, catalytic domain Domain
PF04265 TPK_B1_binding 169 236 Thiamin pyrophosphokinase, vitamin B1 binding domain Domain
Tissue specificity TISSUE SPECIFICITY: Detected in heart, kidney, testis, small intestine and peripheral blood leukocytes, and at very low levels in a variety of tissues. {ECO:0000269|PubMed:11342111, ECO:0000269|PubMed:11342117}.
Sequence
Sequence length 243
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Thiamine metabolism
Metabolic pathways
Biosynthesis of cofactors
  Vitamin B1 (thiamin) metabolism
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
231
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Childhood encephalopathy due to thiamine pyrophosphokinase deficiency Likely pathogenic; Pathogenic rs2151035560, rs2150697552, rs2150829457, rs2150827249, rs375169579, rs747753388, rs863224237, rs769525399, rs2548303507, rs1203658633, rs2548303949, rs2547520486, rs387906935, rs1563989427, rs368458768
View all (7 more)
RCV001379847
RCV001389581
RCV004765416
RCV001971347
RCV000578364
RCV001853204
RCV000791491
RCV000815721
RCV003231063
RCV003527837
RCV003643800
RCV003644328
RCV000023531
RCV000023534
RCV001078175
RCV000656123
RCV000656122
RCV000578305
RCV000793670
RCV001215126
RCV001236931
RCV001249202
Leigh syndrome Pathogenic rs375169579 RCV005361121
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Cervical cancer Benign rs28373706 RCV005917088
Lung cancer Benign rs28373706 RCV005917091
Sarcoma Benign rs28373706 RCV005917089
TPK1-related disorder Uncertain significance; Benign; Likely benign rs763105827, rs77358162, rs142883135, rs138304717, rs2548420657, rs369421837, rs771441727, rs767900232 RCV004758201
RCV003925247
RCV003911717
RCV003949332
RCV003932185
RCV003932275
RCV003966937
RCV003935715
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
Breast Neoplasms Associate 37551622
Lymphoma Primary Effusion Associate 21685375
Muscle Hypotonia Associate 36175994
Neoplasms Associate 21685375, 25788274
Neoplasms Inhibit 37551622
Pyruvate Dehydrogenase Complex Deficiency Disease Associate 40225937