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SLC29A1 |
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Identifiers |
Aliases |
SLC29A1, ENT1, Equilibrative nucleoside transporter 1, solute carrier family 29 member 1 (Augustine blood group) |
External IDs |
MGI: 1927073 HomoloGene: 37985 GeneCards: SLC29A1 |
Gene location (Human) |
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Chr. |
Chromosome 6 (human)[1] |
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Band |
6p21.1 |
Start |
44,219,505 bp[1] |
End |
44,234,151 bp[1] |
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Gene location (Mouse) |
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Chr. |
Chromosome 17 (mouse)[2] |
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Band |
17|17 B3 |
Start |
45,585,200 bp[2] |
End |
45,599,606 bp[2] |
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RNA expression pattern |
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More reference expression data |
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Gene ontology |
Molecular function |
• nucleoside transmembrane transporter activity
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Cellular component |
• postsynapse
• integral component of membrane
• plasma membrane
• basolateral plasma membrane
• integral component of plasma membrane
• apical plasma membrane
• membrane
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Biological process |
• nucleoside transport
• uridine transport
• sleep
• lactation
• nucleoside transmembrane transport
• nucleobase-containing compound metabolic process
• cellular response to hypoxia
• excitatory postsynaptic potential
• cellular response to glucose stimulus
• transport
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Sources:Amigo / QuickGO |
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Orthologs |
Species |
Human |
Mouse |
Entrez |
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Ensembl |
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UniProt |
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RefSeq (mRNA) |
NM_001078174
NM_001078175
NM_001078176
NM_001078177
NM_001304462
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NM_001304463
NM_001304465
NM_001304466
NM_004955
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NM_001199113
NM_001199114
NM_001199115
NM_001199116
NM_022880
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RefSeq (protein) |
NP_001071643
NP_001071645
NP_001291391
NP_001291392
NP_001291394
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NP_001291395
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NP_001186042
NP_001186043
NP_001186044
NP_001186045
NP_075018
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Location (UCSC) |
Chr 6: 44.22 – 44.23 Mb |
Chr 6: 45.59 – 45.6 Mb |
PubMed search |
[3] |
[4] |
Wikidata |
View/Edit Human |
View/Edit Mouse |
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Equilibrative nucleoside transporter 1 (ENT1) is a protein that in humans is encoded by the SLC29A1 gene.[5][6] Multiple alternatively spliced variants, encoding the same protein, have been found for this gene.[7]
Contents
- 1 Function
- 2 Genomics
- 3 Interactive pathway map
- 4 Clinical
- 5 See also
- 6 References
- 7 Further reading
Function
This gene is a member of the equilibrative nucleoside transporter family. The gene encodes a transmembrane glycoprotein that localizes to the plasma and mitochondrial membranes and mediates the cellular uptake of nucleosides from the surrounding medium. The protein is categorized as an equilibrative (as opposed to concentrative) transporter that is sensitive to inhibition by nitrobenzylmercaptopurine ribonucleoside (NBMPR). Nucleoside transporters are required for nucleotide synthesis in cells that lack de novo nucleoside synthesis pathways, and are also necessary for the uptake of cytotoxic nucleosides used for cancer and viral chemotherapies.[7]
Genomics
The gene encoding this protein is located on the short arm of chromosome 6 at 6p21.2-p21.1 on the Watson (plus) strand. It is 14,647 bases in length. The encoded protein has 456 amino acid residues with 11 predicted transmembrane domains. The predicted molecular weight is 50.219 kiloDaltons. The protein is post translationally glycosylated and expressed in all tissue with the apparent exception of skeletal muscle. The highest levels are found in the liver, heart, testis, spleen, lung, kidney and brain.
Interactive pathway map
Click on genes, proteins and metabolites below to link to respective articles.[§ 1]
[[File:
|{{{bSize}}}px|alt=Fluorouracil (5-FU) Activity edit]]
File:FluoropyrimidineActivity_WP1601.png
Fluorouracil (5-FU) Activity edit
- ^ The interactive pathway map can be edited at WikiPathways: "FluoropyrimidineActivity_WP1601".
Clinical
Mutations in this gene have been associated with H syndrome, pigmented hypertrichosis with insulin dependent diabetes and Faisalabad histiocytosis.[8]
See also
- Solute carrier family
- Equilibrative nucleoside transporters
- Nucleoside transporters
References
- ^ a b c GRCh38: Ensembl release 89: ENSG00000112759 - Ensembl, May 2017
- ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000023942 - Ensembl, May 2017
- ^ "Human PubMed Reference:".
- ^ "Mouse PubMed Reference:".
- ^ Griffiths M, Beaumont N, Yao SY, Sundaram M, Boumah CE, Davies A, Kwong FY, Coe I, Cass CE, Young JD, Baldwin SA (Jan 1997). "Cloning of a human nucleoside transporter implicated in the cellular uptake of adenosine and chemotherapeutic drugs". Nat Med. 3 (1): 89–93. PMID 8986748. doi:10.1038/nm0197-89.
- ^ Coe IR, Griffiths M, Young JD, Baldwin SA, Cass CE (Feb 1998). "Assignment of the human equilibrative nucleoside transporter (hENT1) to 6p21.1-p21.2". Genomics. 45 (2): 459–60. PMID 9344680. doi:10.1006/geno.1997.4928.
- ^ a b "Entrez Gene: SLC29A1 solute carrier family 29 (nucleoside transporters), member 1".
- ^ Bolze A, Abhyankar A, Grant AV, Patel B, Yadav R, Byun M, Caillez D, Emile JF, Pastor-Anglada M, Abel L, Puel A, Govindarajan R, de Pontual L, Casanova JL (2012). "A Mild Form of SLC29A3 Disorder: A Frameshift Deletion Leads to the Paradoxical Translation of an Otherwise Noncoding mRNA Splice Variant". PLoS ONE. 7 (1): e29708. PMC 3251605 . PMID 22238637. doi:10.1371/journal.pone.0029708.
Further reading
- Bonaldo MF, Lennon G, Soares MB (1997). "Normalization and subtraction: two approaches to facilitate gene discovery.". Genome Res. 6 (9): 791–806. PMID 8889548. doi:10.1101/gr.6.9.791.
- Griffiths M, Yao SY, Abidi F, et al. (1998). "Molecular cloning and characterization of a nitrobenzylthioinosine-insensitive (ei) equilibrative nucleoside transporter from human placenta.". Biochem. J. 328 (3): 739–43. PMC 1218980 . PMID 9396714. doi:10.1042/bj3280739.
- Lum PY, Ngo LY, Bakken AH, Unadkat JD (2000). "Human intestinal es nucleoside transporter: molecular characterization and nucleoside inhibitory profiles.". Cancer Chemother. Pharmacol. 45 (4): 273–8. PMID 10755314. doi:10.1007/s002800050040.
- Sundaram M, Yao SY, Ingram JC, et al. (2002). "Topology of a human equilibrative, nitrobenzylthioinosine (NBMPR)-sensitive nucleoside transporter (hENT1) implicated in the cellular uptake of adenosine and anti-cancer drugs.". J. Biol. Chem. 276 (48): 45270–5. PMID 11584005. doi:10.1074/jbc.M107169200.
- SenGupta DJ, Lum PY, Lai Y, et al. (2002). "A single glycine mutation in the equilibrative nucleoside transporter gene, hENT1, alters nucleoside transport activity and sensitivity to nitrobenzylthioinosine.". Biochemistry. 41 (5): 1512–9. PMID 11814344. doi:10.1021/bi015833w.
- Yao SY, Ng AM, Vickers MF, et al. (2002). "Functional and molecular characterization of nucleobase transport by recombinant human and rat equilibrative nucleoside transporters 1 and 2. Chimeric constructs reveal a role for the ENT2 helix 5-6 region in nucleobase translocation.". J. Biol. Chem. 277 (28): 24938–48. PMID 12006583. doi:10.1074/jbc.M200966200.
- Galmarini CM, Thomas X, Calvo F, et al. (2002). "Potential mechanisms of resistance to cytarabine in AML patients.". Leuk. Res. 26 (7): 621–9. PMID 12008078. doi:10.1016/S0145-2126(01)00184-9.
- Lai Y, Bakken AH, Unadkat JD (2002). "Simultaneous expression of hCNT1-CFP and hENT1-YFP in Madin-Darby canine kidney cells. Localization and vectorial transport studies.". J. Biol. Chem. 277 (40): 37711–7. PMID 12097333. doi:10.1074/jbc.M204986200.
- Sankar N, Machado J, Abdulla P, et al. (2002). "Comparative genomic analysis of equilibrative nucleoside transporters suggests conserved protein structure despite limited sequence identity.". Nucleic Acids Res. 30 (20): 4339–50. PMC 137128 . PMID 12384580. doi:10.1093/nar/gkf564.
- Reiman T, Clarke ML, Dabbagh L, et al. (2003). "Differential expression of human equilibrative nucleoside transporter 1 (hENT1) protein in the Reed-Sternberg cells of Hodgkin's disease.". Leuk. Lymphoma. 43 (7): 1435–40. PMID 12389626. doi:10.1080/1042819022386725.
- 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. PMC 139241 . PMID 12477932. doi:10.1073/pnas.242603899.
- Mangravite LM, Xiao G, Giacomini KM (2003). "Localization of human equilibrative nucleoside transporters, hENT1 and hENT2, in renal epithelial cells.". Am. J. Physiol. Renal Physiol. 284 (5): F902–10. PMID 12527552. doi:10.1152/ajprenal.00215.2002.
- Szkotak AJ, Ng AM, Man SF, et al. (2003). "Coupling of CFTR-mediated anion secretion to nucleoside transporters and adenosine homeostasis in Calu-3 cells.". J. Membr. Biol. 192 (3): 169–79. PMID 12820662. doi:10.1007/s00232-002-1073-x.
- Lai Y, Tse CM, Unadkat JD (2004). "Mitochondrial expression of the human equilibrative nucleoside transporter 1 (hENT1) results in enhanced mitochondrial toxicity of antiviral drugs.". J. Biol. Chem. 279 (6): 4490–7. PMID 14607828. doi:10.1074/jbc.M307938200.
- Lehner B, Semple JI, Brown SE, et al. (2004). "Analysis of a high-throughput yeast two-hybrid system and its use to predict the function of intracellular proteins encoded within the human MHC class III region.". Genomics. 83 (1): 153–67. PMID 14667819. doi:10.1016/S0888-7543(03)00235-0.
- 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. PMID 14702039. doi:10.1038/ng1285.
- Endres CJ, Sengupta DJ, Unadkat JD (2004). "Mutation of leucine-92 selectively reduces the apparent affinity of inosine, guanosine, NBMPR [S6-(4-nitrobenzyl)-mercaptopurine riboside] and dilazep for the human equilibrative nucleoside transporter, hENT1.". Biochem. J. 380 (Pt 1): 131–7. PMC 1224139 . PMID 14759222. doi:10.1042/BJ20031880.
- 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. PMC 528928 . PMID 15489334. doi:10.1101/gr.2596504.
This article incorporates text from the United States National Library of Medicine, which is in the public domain.
Membrane proteins, carrier proteins: membrane transport proteins solute carrier (TC 2A)
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Ion pumps
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Symporter, Cotransporter |
- Na+/K+,Cl−
- Na+/Pi3
- Na+/Cl−
- Na+/glucose
- Na+/I−
- Cl−/K+
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Antiporter (exchanger) |
- Na+/H+
- Na+/Ca2+
- Na+/(Ca2+-K+) - Cl−/HCO−
3 (Band 3)
- Cl−-formate
- Cl−-oxalate
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see also solute carrier disorders
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English Journal
- Aberrant methylation of HTATIP2 and UCHL1 as a predictive biomarker for cholangiocarcinoma.
- Nanok C1, Jearanaikoon P1, Proungvitaya S1, Limpaiboon T1.
- Molecular medicine reports.Mol Med Rep.2018 Mar;17(3):4145-4153. doi: 10.3892/mmr.2017.8319. Epub 2017 Dec 19.
- PMID 29359783
- Expression and purification of human and Saccharomyces cerevisiae equilibrative nucleoside transporters.
- Boswell-Casteel RC1, Johnson JM1, Roe-Žurž Z2, Duggan KD1, Schmitz H1, Hays FA3.
- Protein expression and purification.Protein Expr Purif.2018 Feb;142:68-74. doi: 10.1016/j.pep.2017.09.002. Epub 2017 Sep 14.
- PMID 28918196
- Whole-Exome Sequencing Identifies the 6q12-q16 Linkage Region and a Candidate Gene, TTK, for Pulmonary Nontuberculous Mycobacterial Disease.
- Chen F1, Szymanski EP2, Olivier KN3, Liu X4, Tettelin H4, Holland SM2, Duggal P1.
- American journal of respiratory and critical care medicine.Am J Respir Crit Care Med.2017 Dec 15;196(12):1599-1604. doi: 10.1164/rccm.201612-2479OC.
- PMID 28777004
Japanese Journal
- Gene expression profile of side population cells in human oral cancer cell line SCC-4
- Identification of Primary Equilibrative Nucleoside Transporter 1 mRNA Isoforms Resulting from Alternative Promoter Usage in Human Hepatocytes
- Impact of Solute Carrier Family 29 Member 1 (SLC29A1) Single Nucleotide Polymorphisms on mRNA Expression in Peripheral Blood Mononuclear Cells
Related Links
- Complete information for SLC29A1 gene (protein-coding), solute carrier family 29 (equilibrative nucleoside transporter), member 1, including: function, proteins, disorders, pathways, orthologs, and expression. GeneCards - The Human ... ...
- This gene is a member of the equilibrative nucleoside transporter family. The gene encodes a transmembrane glycoprotein that localizes to the plasma and mitochondrial membranes and mediates the cellular uptake of nucleosides ...
Related Pictures