TPK1

Thiamin pyrophosphokinase 1
Identifiers
Symbols	TPK1 ; HTPK1; PP20
External IDs	Template:OMIM5 Template:MGI HomoloGene: 6960
Gene ontology Molecular function Template:GNF GO Template:GNF GO Template:GNF GO Template:GNF GO Biological process Template:GNF GO Template:GNF GO
RNA expression pattern
File:PBB GE TPK1 221218 s at tn.png
More reference expression data
Orthologs
Template:GNF Ortholog box
Species	Human	Mouse
Entrez	n/a	n/a
Ensembl	n/a	n/a
UniProt	n/a	n/a
RefSeq (mRNA)	n/a	n/a
RefSeq (protein)	n/a	n/a
Location (UCSC)	n/a	n/a
PubMed search	n/a	n/a

Thiamin pyrophosphokinase 1, also known as TPK1, is a human gene.

This gene encodes a protein, that exists as a homodimer, which catalyzes the conversion of thiamine to thiamine pyrophosphate. Alternate transcriptional splice variants, encoding different isoforms, have been characterized.

Further reading

• Egi Y, Koyama S, Shioda T; et al. (1992). "Identification, purification and reconstitution of thiamin metabolizing enzymes in human red blood cells". Biochim. Biophys. Acta. 1160 (2): 171–8. PMID 1332781.CS1 maint: Explicit use of et al. (link) CS1 maint: Multiple names: authors list (link)
• Bohn H, Winckler W (1985). "Isolation and characterization of four new placental tissue proteins (PP18, PP19, PP20, PP21)". Arch. Gynecol. 236 (4): 235–42. PMID 3896163.
• Iwashima A, Kinugasa A, Nose Y (1983). "Radiometric assay for thiamine pyrophosphokinase activity in human leukocytes". Acta Vitaminol. Enzymol. 5 (1): 41–5. PMID 6303095.CS1 maint: Multiple names: authors list (link)
• "Toward a complete human genome sequence". Genome Res. 8 (11): 1097–108. 1999. PMID 9847074.
• Nosaka K, Onozuka M, Nishino H; et al. (1999). "Molecular cloning and expression of a mouse thiamin pyrophosphokinase cDNA". J. Biol. Chem. 274 (48): 34129–33. PMID 10567383.CS1 maint: Explicit use of et al. (link) CS1 maint: Multiple names: authors list (link)
• Nosaka K, Onozuka M, Kakazu N; et al. (2001). "Isolation and characterization of a human thiamine pyrophosphokinase cDNA". Biochim. Biophys. Acta. 1517 (2): 293–7. PMID 11342111.CS1 maint: Explicit use of et al. (link) CS1 maint: Multiple names: authors list (link)
• Zhao R, Gao F, Goldman ID (2001). "Molecular cloning of human thiamin pyrophosphokinase". Biochim. Biophys. Acta. 1517 (2): 320–2. PMID 11342117.CS1 maint: Multiple names: authors list (link)
• Strausberg RL, Feingold EA, Grouse LH; et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMID 12477932.CS1 maint: Explicit use of et al. (link) CS1 maint: Multiple names: authors list (link)
• Scherer SW, Cheung J, MacDonald JR; et al. (2003). "Human chromosome 7: DNA sequence and biology". Science. 300 (5620): 767–72. doi:10.1126/science.1083423. PMID 12690205.CS1 maint: Explicit use of et al. (link) CS1 maint: Multiple names: authors list (link)
• Onozuka M, Nosaka K (2004). "Steady-state kinetics and mutational studies of recombinant human thiamin pyrophosphokinase". J. Nutr. Sci. Vitaminol. 49 (3): 156–62. PMID 12953792.
• Ota T, Suzuki Y, Nishikawa T; et al. (2004). "Complete sequencing and characterization of 21,243 full-length human cDNAs". Nat. Genet. 36 (1): 40–5. doi:10.1038/ng1285. PMID 14702039.CS1 maint: Explicit use of et al. (link) CS1 maint: Multiple names: authors list (link)
• Gerhard DS, Wagner L, Feingold EA; et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMID 15489334.CS1 maint: Explicit use of et al. (link) CS1 maint: Multiple names: authors list (link)
• Bellyei S, Szigeti A, Boronkai A; et al. (2005). "Cloning, sequencing, structural and molecular biological characterization of placental protein 20 (PP20)/human thiamin pyrophosphokinase (hTPK)". Placenta. 26 (1): 34–46. doi:10.1016/j.placenta.2004.03.008. PMID 15664409.CS1 maint: Explicit use of et al. (link) CS1 maint: Multiple names: authors list (link)
• Toyoshima M, Oka A, Egi Y; et al. (2005). "Thiamine-responsive congenital lactic acidosis: clinical and biochemical studies". Pediatr. Neurol. 33 (2): 98–104. doi:10.1016/j.pediatrneurol.2005.02.007. PMID 16087053.CS1 maint: Explicit use of et al. (link) CS1 maint: Multiple names: authors list (link)
• Onozuka M, Konno H, Akaji K; et al. (2006). "Molecular cloning and analysis of the 5'-flanking region of the human thiamin pyrophosphokinase gene". J. Nutr. Sci. Vitaminol. 51 (4): 274–7. PMID 16262001.CS1 maint: Explicit use of et al. (link) CS1 maint: Multiple names: authors list (link)
• Kimura K, Wakamatsu A, Suzuki Y; et al. (2006). "Diversification of transcriptional modulation: large-scale identification and characterization of putative alternative promoters of human genes". Genome Res. 16 (1): 55–65. doi:10.1101/gr.4039406. PMID 16344560.CS1 maint: Explicit use of et al. (link) CS1 maint: Multiple names: authors list (link)
• Fradin D, Bougneres P (2007). "Three common intronic variants in the maternal and fetal thiamine pyrophosphokinase gene (TPK1) are associated with birth weight". Ann. Hum. Genet. 71 (Pt 5): 578–85. doi:10.1111/j.1469-1809.2007.00348.x. PMID 17295612.