GFPT1

Glucosamine—fructose-6-phosphate aminotransferase isomerizing 1 is an enzyme that in humans is encoded by the GFPT1 gene.[5][6]

GFPT1
Available structures PDB Ortholog search: PDBe RCSB List of PDB id codes 2V4M, 2ZJ3, 2ZJ4
Identifiers
Aliases	GFPT1, CMSTA1, GFA, GFAT, GFAT 1, GFAT1, GFAT1m, GFPT, GFPT1L, MSLG, CMS12, glutamine--fructose-6-phosphate transaminase 1
External IDs	OMIM: 138292 MGI: 95698 HomoloGene: 68220 GeneCards: GFPT1
Gene location (Human) Chr. Chromosome 2 (human)[1] Band 2p13.3 Start 69,319,769 bp[1] End 69,387,254 bp[1]
Gene location (Mouse) Chr. Chromosome 6 (mouse)[2] Band 6 D1|6 37.81 cM Start 87,042,846 bp[2] End 87,092,197 bp[2]
RNA expression pattern More reference expression data
Gene ontology Molecular function • transferase activity • transaminase activity • carbohydrate derivative binding • glutamine-fructose-6-phosphate transaminase (isomerizing) activity Cellular component • cytosol • extracellular exosome Biological process • rhythmic process • circadian regulation of gene expression • IRE1-mediated unfolded protein response • glutamine metabolic process • UDP-N-acetylglucosamine biosynthetic process • energy reserve metabolic process • carbohydrate derivative biosynthetic process • fructose 6-phosphate metabolic process • carbohydrate derivative metabolic process • UDP-N-acetylglucosamine metabolic process • protein N-linked glycosylation Sources:Amigo / QuickGO
Orthologs
Species	Human	Mouse
Entrez	2673	14583
Ensembl	ENSG00000198380	ENSMUSG00000029992
UniProt	Q06210	P47856
RefSeq (mRNA)	NM_002056 NM_001244710	NM_013528
RefSeq (protein)	NP_001231639 NP_002047	NP_038556
Location (UCSC)	Chr 2: 69.32 – 69.39 Mb	Chr 6: 87.04 – 87.09 Mb
PubMed search	[3]	[4]
Wikidata
View/Edit Human View/Edit Mouse

Glutamine-fructose-6-phosphate transaminase 1 is the first and rate-limiting enzyme of the hexosamine pathway. GFAT controls the flux of glucose into the hexosamine pathway and catalyzes the formation of glucosamine 6-phosphate.[6]

References

1. GRCh38: Ensembl release 89: ENSG00000198380 - Ensembl, May 2017
2. GRCm38: Ensembl release 89: ENSMUSG00000029992 - Ensembl, May 2017
3. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
4. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
5. McKnight GL, Mudri SL, Mathewes SL, Traxinger RR, Marshall S, Sheppard PO, O'Hara PJ (Jan 1993). "Molecular cloning, cDNA sequence, and bacterial expression of human glutamine:fructose-6-phosphate amidotransferase". J Biol Chem. 267 (35): 25208–12. PMID 1460020.
6. "Entrez Gene: GFPT1 glutamine-fructose-6-phosphate transaminase 1".

Further reading

• Schleicher ED, Weigert C (2001). "Role of the hexosamine biosynthetic pathway in diabetic nephropathy". Kidney Int. Suppl. 77: S13–8. doi:10.1046/j.1523-1755.2000.07703.x. PMID 10997685.
• Traxinger RR, Marshall S (1991). "Coordinated regulation of glutamine:fructose-6-phosphate amidotransferase activity by insulin, glucose, and glutamine. Role of hexosamine biosynthesis in enzyme regulation". J. Biol. Chem. 266 (16): 10148–54. PMID 2037571.
• Whitmore TE, Mudri SL, McKnight GL (1995). "Physical mapping of the human glutamine:fructose-6-phosphate amidotransferase gene (GFPT) to chromosome 2p13". Genomics. 26 (2): 422–3. doi:10.1016/0888-7543(95)80235-E. PMID 7601477.
• Zhou J, Neidigh JL, Espinosa R, et al. (1995). "Human glutamine: fructose-6-phosphate amidotransferase: characterization of mRNA and chromosomal assignment to 2p13". Hum. Genet. 96 (1): 99–101. doi:10.1007/BF00214194. PMID 7607664. S2CID 25484995.
• Sayeski PP, Paterson AJ, Kudlow JE (1994). "The murine glutamine:fructose-6-phosphate amidotransferase-encoding cDNA sequence". Gene. 140 (2): 289–90. doi:10.1016/0378-1119(94)90560-6. PMID 8144040.
• Nerlich AG, Sauer U, Kolm-Litty V, et al. (1998). "Expression of glutamine:fructose-6-phosphate amidotransferase in human tissues: evidence for high variability and distinct regulation in diabetes". Diabetes. 47 (2): 170–8. doi:10.2337/diabetes.47.2.170. PMID 9519709.
• Oki T, Yamazaki K, Kuromitsu J, et al. (1999). "cDNA cloning and mapping of a novel subtype of glutamine:fructose-6-phosphate amidotransferase (GFAT2) in human and mouse". Genomics. 57 (2): 227–34. doi:10.1006/geno.1999.5785. PMID 10198162.
• Chang Q, Su K, Baker JR, et al. (2000). "Phosphorylation of human glutamine:fructose-6-phosphate amidotransferase by cAMP-dependent protein kinase at serine 205 blocks the enzyme activity". J. Biol. Chem. 275 (29): 21981–7. doi:10.1074/jbc.M001049200. PMID 10806197.
• Niimi M, Ogawara T, Yamashita T, et al. (2001). "Identification of GFAT1-L, a novel splice variant of human glutamine: fructose-6-phosphate amidotransferase (GFAT1) that is expressed abundantly in skeletal muscle". J. Hum. Genet. 46 (10): 566–71. doi:10.1007/s100380170022. PMID 11587069.
• DeHaven JE, Robinson KA, Nelson BA, Buse MG (2001). "A novel variant of glutamine: fructose-6-phosphate amidotransferase-1 (GFAT1) mRNA is selectively expressed in striated muscle". Diabetes. 50 (11): 2419–24. doi:10.2337/diabetes.50.11.2419. PMID 11679416.
• 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. PMC 139241. PMID 12477932.
• Weigert C, Friess U, Brodbeck K, et al. (2004). "Glutamine:fructose-6-phosphate aminotransferase enzyme activity is necessary for the induction of TGF-beta1 and fibronectin expression in mesangial cells". Diabetologia. 46 (6): 852–5. doi:10.1007/s00125-003-1122-8. PMID 12802498.
• Ng DP, Walker WH, Chia KS, et al. (2004). "Scrutiny of the glutamine-fructose-6-phosphate transaminase 1 (GFPT1) locus reveals conserved haplotype block structure not associated with diabetic nephropathy". Diabetes. 53 (3): 865–9. doi:10.2337/diabetes.53.3.865. PMID 14988277.
• Elbein SC, Zheng H, Jia Y, et al. (2005). "Molecular screening of the human glutamine-fructose-6-phosphate amidotransferase 1 (GFPT1) gene and association studies with diabetes and diabetic nephropathy". Mol. Genet. Metab. 82 (4): 321–8. doi:10.1016/j.ymgme.2004.05.004. PMID 15308130.
• 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. PMC 528928. PMID 15489334.
• Chou KC (2005). "Molecular therapeutic target for type-2 diabetes". J. Proteome Res. 3 (6): 1284–8. doi:10.1021/pr049849v. PMID 15595739.
• Weigert C, Thamer C, Brodbeck K, et al. (2005). "The -913 G/A glutamine:fructose-6-phosphate aminotransferase gene polymorphism is associated with measures of obesity and intramyocellular lipid content in nondiabetic subjects". J. Clin. Endocrinol. Metab. 90 (3): 1639–43. doi:10.1210/jc.2004-0058. PMID 15613432.
• Burt D, Brodbeck K, Häring HU, et al. (2005). "Partial characterisation of the human GFAT promoter: effect of single nucleotide polymorphisms on promoter function". Biochim. Biophys. Acta. 1740 (1): 85–90. doi:10.1016/j.bbadis.2005.01.007. PMID 15878746.