Proton-coupled amino acid transporter 2

Proton-coupled amino acid transporter 2 is a protein which in humans is encoded by the SLC36A2 gene.[5]

SLC36A2
Identifiers
Aliases	SLC36A2, PAT2, TRAMD1, solute carrier family 36 member 2
External IDs	OMIM: 608331 MGI: 1891430 HomoloGene: 72100 GeneCards: SLC36A2
Gene location (Human) Chr. Chromosome 5 (human)[1] Band 5q33.1 Start 151,314,972 bp[1] End 151,347,590 bp[1]
Gene location (Mouse) Chr. Chromosome 11 (mouse)[2] Band 11|11 B1.3 Start 55,158,470 bp[2] End 55,185,077 bp[2]
Gene ontology Molecular function • L-alanine transmembrane transporter activity • hydrogen:amino acid symporter activity • L-proline transmembrane transporter activity • glycine transmembrane transporter activity • hydrogen ion transmembrane transporter activity • amino acid transmembrane transporter activity Cellular component • cytoplasm • integral component of membrane • cell membrane • extracellular exosome • membrane • vacuolar membrane Biological process • proline transmembrane transport • ion transport • amino acid transport • glycine transport • L-alanine transport • proline transport • hydrogen ion transmembrane transport • transport • amino acid transmembrane transport Sources:Amigo / QuickGO
Orthologs
Species	Human	Mouse
Entrez	153201	246049
Ensembl	ENSG00000186335	ENSMUSG00000020264
UniProt	Q495M3	Q8BHK3
RefSeq (mRNA)	NM_181776	NM_153170
RefSeq (protein)	NP_861441	NP_694810
Location (UCSC)	Chr 5: 151.31 – 151.35 Mb	Chr 11: 55.16 – 55.19 Mb
PubMed search	[3]	[4]
Wikidata
View/Edit Human View/Edit Mouse

Function

SLC36A2 transports small amino acids (glycine, alanine, and proline) and also the D-enantiomers and select amino acid derivatives, such as gamma-aminobutyric acid.[5][6]

Clinical significance

Mutations in the SLC36A2 gene are associated with Iminoglycinuria.[7]

References

1. GRCh38: Ensembl release 89: ENSG00000186335 - Ensembl, May 2017
2. GRCm38: Ensembl release 89: ENSMUSG00000020264 - 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. Boll M, Foltz M, Rubio-Aliaga I, Daniel H (July 2003). "A cluster of proton/amino acid transporter genes in the human and mouse genomes". Genomics. 82 (1): 47–56. doi:10.1016/S0888-7543(03)00099-5. PMID 12809675.
6. Boll M, Foltz M, Rubio-Aliaga I, Kottra G, Daniel H (June 2002). "Functional characterization of two novel mammalian electrogenic proton-dependent amino acid cotransporters". J. Biol. Chem. 277 (25): 22966–73. doi:10.1074/jbc.M200374200. PMID 11959859.
7. Bröer S, Bailey CG, Kowalczuk S, Ng C, Vanslambrouck JM, Rodgers H, Auray-Blais C, Cavanaugh JA, Bröer A, Rasko JE (December 2008). "Iminoglycinuria and hyperglycinuria are discrete human phenotypes resulting from complex mutations in proline and glycine transporters". J. Clin. Invest. 118 (12): 3881–92. doi:10.1172/JCI36625. PMC 2579706. PMID 19033659.

Further reading

• Bermingham JR, Pennington J (2004). "Organization and expression of the SLC36 cluster of amino acid transporter genes". Mamm. Genome. 15 (2): 114–25. doi:10.1007/s00335-003-2319-3. PMID 15058382.
• Trynka G, Zhernakova A, Romanos J, et al. (2009). "Coeliac disease-associated risk variants in TNFAIP3 and REL implicate altered NF-kappaB signalling". Gut. 58 (8): 1078–83. doi:10.1136/gut.2008.169052. PMID 19240061.
• Strausberg RL, Feingold EA, Grouse LH, et al. (2002). "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.
• Bröer S (2008). "Amino acid transport across mammalian intestinal and renal epithelia". Physiol. Rev. 88 (1): 249–86. doi:10.1152/physrev.00018.2006. PMID 18195088.
• Koskinen LL, Einarsdottir E, Korponay-Szabo IR, et al. (2009). "Fine mapping of the CELIAC2 locus on chromosome 5q31-q33 in the Finnish and Hungarian populations". Tissue Antigens. 74 (5): 408–16. doi:10.1111/j.1399-0039.2009.01359.x. PMID 19845895.
• Rubio-Aliaga I, Boll M, Vogt Weisenhorn DM, et al. (2004). "The proton/amino acid cotransporter PAT2 is expressed in neurons with a different subcellular localization than its paralog PAT1". J. Biol. Chem. 279 (4): 2754–60. doi:10.1074/jbc.M305556200. PMID 14600155.