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Identification
HMDB Protein ID HMDBP02461
Secondary Accession Numbers
  • 7956
  • HMDBP05883
Name Ileal sodium/bile acid cotransporter
Synonyms
  1. ASBT
  2. Apical sodium-dependent bile acid transporter
  3. IBAT
  4. ISBT
  5. Ileal Na(+)/bile acid cotransporter
  6. Ileal sodium-dependent bile acid transporter
  7. Na(+)-dependent ileal bile acid transporter
  8. Sodium/taurocholate cotransporting polypeptide, ileal
  9. Solute carrier family 10 member 2
Gene Name SLC10A2
Protein Type Transporter
Biological Properties
General Function Involved in bile acid:sodium symporter activity
Specific Function Plays a critical role in the sodium-dependent reabsorption of bile acids from the lumen of the small intestine. Plays a key role in cholesterol metabolism
Pathways Not Available
Reactions Not Available
GO Classification
Component
membrane
cell part
membrane part
intrinsic to membrane
integral to membrane
Function
transmembrane transporter activity
substrate-specific transmembrane transporter activity
organic acid:sodium symporter activity
transporter activity
bile acid:sodium symporter activity
organic acid transmembrane transporter activity
Process
sodium ion transport
establishment of localization
transport
organic anion transport
anion transport
monovalent inorganic cation transport
ion transport
cation transport
Cellular Location
  1. Membrane
  2. Multi-pass membrane protein
Gene Properties
Chromosome Location Chromosome:1
Locus 13q33
SNPs SLC10A2
Gene Sequence
>1047 bp
ATGAATGATCCGAACAGCTGTGTGGACAATGCAACAGTTTGCTCTGGTGCATCCTGTGTG
GTACCTGAGAGCAATTTCAATAACATCCTAAGTGTGGTCCTAAGTACGGTGCTGACCATC
CTGTTGGCCTTGGTGATGTTCTCCATGGGATGCAACGTGGAAATCAAGAAATTTCTAGGG
CACATAAAGCGGCCGTGGGGCATTTGTGTTGGCTTCCTCTGTCAGTTTGGAATCATGCCC
CTCACAGGATTCATCCTGTCGGTGGCCTTTGACATCCTCCCGCTCCAGGCCGTAGTGGTG
CTCATTATAGGATGCTGCCCTGGAGGAACTGCCTCCAATATCTTGGCCTATTGGGTCGAT
GGCGACATGGACCTGAGCGTCAGCATGACCACATGCTCCACACTGCTTGCCCTCGGAATG
ATGCCGCTGTGCCTCCTTATCTATACCAAAATGTGGGTCGACTCTGGGAGCATCGTAATT
CCCTATGATAACATAGGTACATCTCTGGTTGCTCTCGTTGTTCCTGTTTCCATTGGAATG
TTTGTTAATCACAAATGGCCCCAAAAAGCAAAGATCATACTTAAAATTGGGTCCATCGCG
GGCGCCATCCTCATTGTGCTCATAGCTGTGGTTGGAGGAATATTGTACCAAAGCGCCTGG
ATCATTGCTCCCAAACTGTGGATTATAGGAACAATATTTCCTGTGGCGGGTTACTCCCTG
GGGTTTCTTCTGGCTAGAATTGCTGGTCTACCCTGGTACAGGTGCCGAACGGTTGCTTTT
GAAACGGGGATGCAGAACACGCAGCTATGTTCCACCATCGTTCAGCTCTCCTTCACTCCT
GAGGAGCTCAATGTCGTATTCACCTTCCCGCTCATCTACAGCATTTTCCAGCTCGCCTTT
GCCGCAATATTCTTAGGATTTTATGTGGCATACAAGAAATGTCATGGAAAAAACAAGGCA
GAAATTCCAGAGAGCAAAGAAAATGGAACGGAGCCAGAGTCATCGTTTTATAAGGCAAAT
GGAGGATTTCAACCTGACGAAAAGTAG
Protein Properties
Number of Residues 348
Molecular Weight 37697.4
Theoretical pI 7.13
Pfam Domain Function
Signals
  • None
Transmembrane Regions
  • 29-49
  • 83-103
  • 127-147
  • 158-178
  • 196-216
  • 225-245
  • 285-305
Protein Sequence
>Ileal sodium/bile acid cotransporter
MNDPNSCVDNATVCSGASCVVPESNFNNILSVVLSTVLTILLALVMFSMGCNVEIKKFLG
HIKRPWGICVGFLCQFGIMPLTGFILSVAFDILPLQAVVVLIIGCCPGGTASNILAYWVD
GDMDLSVSMTTCSTLLALGMMPLCLLIYTKMWVDSGSIVIPYDNIGTSLVALVVPVSIGM
FVNHKWPQKAKIILKIGSIAGAILIVLIAVVGGILYQSAWIIAPKLWIIGTIFPVAGYSL
GFLLARIAGLPWYRCRTVAFETGMQNTQLCSTIVQLSFTPEELNVVFTFPLIYSIFQLAF
AAIFLGFYVAYKKCHGKNKAEIPESKENGTEPESSFYKANGGFQPDEK
GenBank ID Protein Not Available
UniProtKB/Swiss-Prot ID Q12908
UniProtKB/Swiss-Prot Entry Name NTCP2_HUMAN
PDB IDs Not Available
GenBank Gene ID U10417
GeneCard ID SLC10A2
GenAtlas ID SLC10A2
HGNC ID HGNC:10906
References
General References
  1. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. [PubMed:15489334 ]
  2. Dunham A, Matthews LH, Burton J, Ashurst JL, Howe KL, Ashcroft KJ, Beare DM, Burford DC, Hunt SE, Griffiths-Jones S, Jones MC, Keenan SJ, Oliver K, Scott CE, Ainscough R, Almeida JP, Ambrose KD, Andrews DT, Ashwell RI, Babbage AK, Bagguley CL, Bailey J, Bannerjee R, Barlow KF, Bates K, Beasley H, Bird CP, Bray-Allen S, Brown AJ, Brown JY, Burrill W, Carder C, Carter NP, Chapman JC, Clamp ME, Clark SY, Clarke G, Clee CM, Clegg SC, Cobley V, Collins JE, Corby N, Coville GJ, Deloukas P, Dhami P, Dunham I, Dunn M, Earthrowl ME, Ellington AG, Faulkner L, Frankish AG, Frankland J, French L, Garner P, Garnett J, Gilbert JG, Gilson CJ, Ghori J, Grafham DV, Gribble SM, Griffiths C, Hall RE, Hammond S, Harley JL, Hart EA, Heath PD, Howden PJ, Huckle EJ, Hunt PJ, Hunt AR, Johnson C, Johnson D, Kay M, Kimberley AM, King A, Laird GK, Langford CJ, Lawlor S, Leongamornlert DA, Lloyd DM, Lloyd C, Loveland JE, Lovell J, Martin S, Mashreghi-Mohammadi M, McLaren SJ, McMurray A, Milne S, Moore MJ, Nickerson T, Palmer SA, Pearce AV, Peck AI, Pelan S, Phillimore B, Porter KM, Rice CM, Searle S, Sehra HK, Shownkeen R, Skuce CD, Smith M, Steward CA, Sycamore N, Tester J, Thomas DW, Tracey A, Tromans A, Tubby B, Wall M, Wallis JM, West AP, Whitehead SL, Willey DL, Wilming L, Wray PW, Wright MW, Young L, Coulson A, Durbin R, Hubbard T, Sulston JE, Beck S, Bentley DR, Rogers J, Ross MT: The DNA sequence and analysis of human chromosome 13. Nature. 2004 Apr 1;428(6982):522-8. [PubMed:15057823 ]
  3. Wong MH, Oelkers P, Dawson PA: Identification of a mutation in the ileal sodium-dependent bile acid transporter gene that abolishes transport activity. J Biol Chem. 1995 Nov 10;270(45):27228-34. [PubMed:7592981 ]
  4. Oelkers P, Kirby LC, Heubi JE, Dawson PA: Primary bile acid malabsorption caused by mutations in the ileal sodium-dependent bile acid transporter gene (SLC10A2). J Clin Invest. 1997 Apr 15;99(8):1880-7. [PubMed:9109432 ]
  5. Chumakov I, Blumenfeld M, Guerassimenko O, Cavarec L, Palicio M, Abderrahim H, Bougueleret L, Barry C, Tanaka H, La Rosa P, Puech A, Tahri N, Cohen-Akenine A, Delabrosse S, Lissarrague S, Picard FP, Maurice K, Essioux L, Millasseau P, Grel P, Debailleul V, Simon AM, Caterina D, Dufaure I, Malekzadeh K, Belova M, Luan JJ, Bouillot M, Sambucy JL, Primas G, Saumier M, Boubkiri N, Martin-Saumier S, Nasroune M, Peixoto H, Delaye A, Pinchot V, Bastucci M, Guillou S, Chevillon M, Sainz-Fuertes R, Meguenni S, Aurich-Costa J, Cherif D, Gimalac A, Van Duijn C, Gauvreau D, Ouellette G, Fortier I, Raelson J, Sherbatich T, Riazanskaia N, Rogaev E, Raeymaekers P, Aerssens J, Konings F, Luyten W, Macciardi F, Sham PC, Straub RE, Weinberger DR, Cohen N, Cohen D: Genetic and physiological data implicating the new human gene G72 and the gene for D-amino acid oxidase in schizophrenia. Proc Natl Acad Sci U S A. 2002 Oct 15;99(21):13675-80. Epub 2002 Oct 3. [PubMed:12364586 ]
  6. Zhang EY, Phelps MA, Banerjee A, Khantwal CM, Chang C, Helsper F, Swaan PW: Topology scanning and putative three-dimensional structure of the extracellular binding domains of the apical sodium-dependent bile acid transporter (SLC10A2). Biochemistry. 2004 Sep 14;43(36):11380-92. [PubMed:15350125 ]
  7. Love MW, Craddock AL, Angelin B, Brunzell JD, Duane WC, Dawson PA: Analysis of the ileal bile acid transporter gene, SLC10A2, in subjects with familial hypertriglyceridemia. Arterioscler Thromb Vasc Biol. 2001 Dec;21(12):2039-45. [PubMed:11742882 ]
  8. Montagnani M, Love MW, Rossel P, Dawson PA, Qvist P: Absence of dysfunctional ileal sodium-bile acid cotransporter gene mutations in patients with adult-onset idiopathic bile acid malabsorption. Scand J Gastroenterol. 2001 Oct;36(10):1077-80. [PubMed:11589382 ]