PepT 1

Solute carrier family 15 (oligopeptide transporter), member 1
Identifiers
Symbol(s)	SLC15A1; HPECT1; HPEPT1; PEPT1
External IDs	OMIM: 600544 MGI: 1861376 Homologene: 38006
Gene ontology Molecular Function: • transporter activity • symporter activity • peptide:hydrogen symporter activity Cellular Component: • membrane fraction • integral to plasma membrane • membrane Biological Process: • oligopeptide transport • digestion • protein transport
RNA expression pattern
250px 250px More reference expression data
Orthologs
	Human	Mouse
Entrez	6564	56643
Ensembl	ENSG00000088386	ENSMUSG00000025557
Uniprot	P46059	Q14BA3
Refseq	NM_005073 (mRNA) NP_005064 (protein)	NM_053079 (mRNA) NP_444309 (protein)
Location	Chr 13: 98.13 - 98.2 Mb	Chr 14: 120.6 - 120.63 Mb
Pubmed search	[1]	[2]

PepT 1 is a solute carrier for oligopeptides. It functions in renal oligopeptide reabsorption.

It is member 1 of solute carrier family 15.

It is encoded by the human gene SLC15A1

See also

• Solute carrier family

Further reading

• Adibi SA (1997). "The oligopeptide transporter (Pept-1) in human intestine: biology and function.". Gastroenterology 113 (1): 332-40. PMID 9207295.
• Adibi SA (2003). "Regulation of expression of the intestinal oligopeptide transporter (Pept-1) in health and disease.". Am. J. Physiol. Gastrointest. Liver Physiol. 285 (5): G779-88. doi:10.1152/ajpgi.00056.2003. PMID 14561585.
• Ganapathy ME, Brandsch M, Prasad PD, et al. (1995). "Differential recognition of beta -lactam antibiotics by intestinal and renal peptide transporters, PEPT 1 and PEPT 2.". J. Biol. Chem. 270 (43): 25672-7. PMID 7592745.
• Liang R, Fei YJ, Prasad PD, et al. (1995). "Human intestinal H+/peptide cotransporter. Cloning, functional expression, and chromosomal localization.". J. Biol. Chem. 270 (12): 6456-63. PMID 7896779.
• Thamotharan M, Lombardo YB, Bawani SZ, Adibi SA (1997). "An active mechanism for completion of the final stage of protein degradation in the liver, lysosomal transport of dipeptides.". J. Biol. Chem. 272 (18): 11786-90. PMID 9115234.
• Saito H, Motohashi H, Mukai M, Inui K (1997). "Cloning and characterization of a pH-sensing regulatory factor that modulates transport activity of the human H+/peptide cotransporter, PEPT1.". Biochem. Biophys. Res. Commun. 237 (3): 577-82. PMID 9299407.
• Gonzalez DE, Covitz KM, Sadée W, Mrsny RJ (1998). "An oligopeptide transporter is expressed at high levels in the pancreatic carcinoma cell lines AsPc-1 and Capan-2.". Cancer Res. 58 (3): 519-25. PMID 9458100.
• Walker D, Thwaites DT, Simmons NL, et al. (1998). "Substrate upregulation of the human small intestinal peptide transporter, hPepT1.". J. Physiol. (Lond.) 507 ( Pt 3): 697-706. PMID 9508831.
• Ashida K, Katsura T, Motohashi H, et al. (2002). "Thyroid hormone regulates the activity and expression of the peptide transporter PEPT1 in Caco-2 cells.". Am. J. Physiol. Gastrointest. Liver Physiol. 282 (4): G617-23. doi:10.1152/ajpgi.00344.2001. PMID 11897620.
• Döring F, Martini C, Walter J, Daniel H (2002). "Importance of a small N-terminal region in mammalian peptide transporters for substrate affinity and function.". J. Membr. Biol. 186 (2): 55-62. doi:10.1007/s00232-001-0135-9. PMID 11944083.
• 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.
• Ford D, Howard A, Hirst BH (2003). "Expression of the peptide transporter hPepT1 in human colon: a potential route for colonic protein nitrogen and drug absorption.". Histochem. Cell Biol. 119 (1): 37-43. doi:10.1007/s00418-002-0479-y. PMID 12548404.
• Neumann J, Brandsch M (2003). "Delta-aminolevulinic acid transport in cancer cells of the human extrahepatic biliary duct.". J. Pharmacol. Exp. Ther. 305 (1): 219-24. doi:10.1124/jpet.102.046573. PMID 12649372.
• Sun BW, Zhao XC, Wang GJ, et al. (2003). "Hormonal regulation of dipeptide transporter (PepT1) in Caco-2 cells with normal and anoxia/reoxygenation management.". World J. Gastroenterol. 9 (4): 808-12. PMID 12679938.
• Kulkarni AA, Haworth IS, Lee VH (2003). "Transmembrane segment 5 of the dipeptide transporter hPepT1 forms a part of the substrate translocation pathway.". Biochem. Biophys. Res. Commun. 306 (1): 177-85. PMID 12788085.
• Kulkarni AA, Haworth IS, Uchiyama T, Lee VH (2004). "Analysis of transmembrane segment 7 of the dipeptide transporter hPepT1 by cysteine-scanning mutagenesis.". J. Biol. Chem. 278 (51): 51833-40. doi:10.1074/jbc.M308356200. PMID 14532279.
• Uchiyama T, Kulkarni AA, Davies DL, Lee VH (2004). "Biophysical evidence for His57 as a proton-binding site in the mammalian intestinal transporter hPepT1.". Pharm. Res. 20 (12): 1911-6. PMID 14725353.
• Dunham A, Matthews LH, Burton J, et al. (2004). "The DNA sequence and analysis of human chromosome 13.". Nature 428 (6982): 522-8. doi:10.1038/nature02379. PMID 15057823.