Hmdb loader
Identification
HMDB Protein ID HMDBP03488
Secondary Accession Numbers
  • 9076
Name Low affinity cationic amino acid transporter 2
Synonyms
  1. CAT-2
  2. CAT2
  3. Solute carrier family 7 member 2
Gene Name SLC7A2
Protein Type Enzyme
Biological Properties
General Function Involved in transport
Specific Function Low-affinity, high capacity permease involved in the transport of the cationic amino acids (arginine, lysine and ornithine). Plays a regulatory role in classical or alternative activation of macrophages
Pathways
  • 2-aminoadipic 2-oxoadipic aciduria
  • Glutaric Aciduria Type I
  • Hyperlysinemia I, Familial
  • Hyperlysinemia II or Saccharopinuria
  • Lysine degradation
  • Pyridoxine dependency with seizures
  • Saccharopinuria/Hyperlysinemia II
Reactions Not Available
GO Classification
Component
membrane
cell part
membrane part
intrinsic to membrane
integral to membrane
Function
active transmembrane transporter activity
transmembrane transporter activity
amine transmembrane transporter activity
amino acid transmembrane transporter activity
transporter activity
Process
establishment of localization
transport
amine transport
amino acid transport
transmembrane transport
Cellular Location
  1. Membrane
  2. Multi-pass membrane protein
Gene Properties
Chromosome Location Chromosome:8
Locus 8p22-p21.3
SNPs SLC7A2
Gene Sequence
>1977 bp
ATGATTCCTTGCAGAGCCGCGCTGACCTTTGCCCGATGTCTGATCCGGAGAAAAATCGTG
ACCCTGGACAGTCTAGAAGACACCAAATTATGCCGCTGCTTATCCACCATGGACCTCATT
GCCCTGGGCGTTGGAAGCACCCTTGGGGCCGGGGTTTATGTCCTCGCTGGGGAGGTGGCC
AAGGCAGACTCGGGCCCCAGCATCGTGGTGTCCTTCCTCATTGCTGCCCTGGCTTCAGTG
ATGGCTGGCCTCTGCTATGCCGAATTTGGGGCCCGTGTTCCCAAGACGGGGTCTGCATAT
TTGTACACCTACGTGACTGTCGGAGAGCTGTGGGCCTTCATCACTGGCTGGAATCTCATT
TTATCGTATGTGATAGGTACATCAAGTGTTGCAAGAGCCTGGAGTGGCACCTTTGATGAA
CTTCTTAGCAAACAGATTGGTCAGTTTTTGAGGACATACTTCAGAATGAATTACACTGGT
CTTGCAGAATATCCCGATTTTTTTGCTGTGTGCCTTATATTACTTCTAGCAGGTCTTTTG
TCTTTTGGAGTAAAAGAGTCTGCTTGGGTGAATAAAGTCTTCACAGCTGTTAATATTCTC
GTCCTTCTGTTTGTGATGGTTGCTGGGTTTGTGAAAGGAAATGTGGCAAACTGGAAGATT
AGTGAAGAGTTTCTCAAAAATATATCAGCAAGTGCCAGAGAGCCACCTTCTGAAAACGGA
ACAAGTATCTATGGGGCTGGTGGCTTTATGCCTTATGGCTTTACGGGAACGTTGGCTGGT
GCTGCAACTTGCTTTTATGCCTTTGTGGGATTTGACTGCATTGCAACAACTGGTGAAGAA
GTTCGGAATCCCCAGAAAGCTATTCCCATTGGAATTGTGACGTCTTTGCTTGTTTGCTTT
ATGGCCTATTTTGGGGTCTCTGCAGCTTTAACACTTATGATGCCGTACTACCTCCTCGAT
GAAAAAAGCCCCCTTCCTGTAGCGTTTGAATATGTGGGATGGGGTCCTGCCAAATATGTC
GTCGCAGCTGGTTCTCTCTGCGCCTTGTCAACAAGTCTTCTTGGATCCATTTTCCCAATG
CCTCGTGTAATCTATGCTATGGCGGAGGATGGGTTGCTTTTCAAATGTCTAGCTCAAATC
AATTCCAAAACGAAGACACCAATAATTGCTACTTTATCATCGGGTGCAGTGGCAGCTTTG
ATGGCCTTTCTGTTTGACCTGAAGGCGCTTGTGGACATGATGTCCATTGGCACACTCATG
GCCTACTCTCTGGTGGCAGCCTGTGTTCTCATCCTCAGGTACCAGCCTGGCTTATCTTAC
GACCAGCCCAAATGTTCTCCTGAGAAAGATGGTCTGGGATCGTCTCCCAGGGTAACCTCG
AAGAGTGAGTCCCAGGTCACCATGCTGCAGAGACAGGGCTTCAGCATGCGGACCCTCTTC
TGCCCCTCCCTTCTGCCAACACAGCAGTCAGCTTCTCTCGTGAGCTTTCTGGTAGGATTC
CTAGCTTTCCTCGTGTTGGGCCTGAGTGTCTTGACCACTTACGGAGTTCATGCCATCACC
AGGCTGGAGGCCTGGAGCCTCGCTCTCCTCGCGCTGTTTCTTGTTCTCTTCGTTGCCATC
GTTCTCACCATCTGGAGGCAGCCCCAGAATCAGCAAAAAGTAGCCTTCATGGTTCCATTC
TTACCATTTTTGCCAGCGTTCAGCATCTTGGTGAACATTTACTTGATGGTCCAGTTAAGT
GCAGACACTTGGGTCAGATTCAGCATTTGGATGGCAATTGGCTTCCTGATTTACTTTTCT
TATGGCATTAGACACAGCCTGGAGGGTCATCTGAGAGATGAAAACAATGAAGAAGATGCT
TATCCAGACAACGTTCATGCAGCAGCAGAAGAAAAATCTGCCATTCAAGCAAATGACCAT
CACCCAAGAAATCTCAGTTCACCTTTCATATTCCATGAAAAGACAAGTGAATTCTAA
Protein Properties
Number of Residues 658
Molecular Weight 71672.2
Theoretical pI 7.31
Pfam Domain Function
Signals
  • None
Transmembrane Regions
  • 38-59
  • 64-84
  • 105-125
  • 164-184
  • 193-213
  • 249-269
  • 290-309
  • 340-360
  • 387-407
  • 411-431
  • 491-511
  • 525-549
  • 558-578
  • 583-603
Protein Sequence
>Low affinity cationic amino acid transporter 2
MIPCRAALTFARCLIRRKIVTLDSLEDTKLCRCLSTMDLIALGVGSTLGAGVYVLAGEVA
KADSGPSIVVSFLIAALASVMAGLCYAEFGARVPKTGSAYLYTYVTVGELWAFITGWNLI
LSYVIGTSSVARAWSGTFDELLSKQIGQFLRTYFRMNYTGLAEYPDFFAVCLILLLAGLL
SFGVKESAWVNKVFTAVNILVLLFVMVAGFVKGNVANWKISEEFLKNISASAREPPSENG
TSIYGAGGFMPYGFTGTLAGAATCFYAFVGFDCIATTGEEVRNPQKAIPIGIVTSLLVCF
MAYFGVSAALTLMMPYYLLDEKSPLPVAFEYVGWGPAKYVVAAGSLCALSTSLLGSIFPM
PRVIYAMAEDGLLFKCLAQINSKTKTPIIATLSSGAVAALMAFLFDLKALVDMMSIGTLM
AYSLVAACVLILRYQPGLSYDQPKCSPEKDGLGSSPRVTSKSESQVTMLQRQGFSMRTLF
CPSLLPTQQSASLVSFLVGFLAFLVLGLSVLTTYGVHAITRLEAWSLALLALFLVLFVAI
VLTIWRQPQNQQKVAFMVPFLPFLPAFSILVNIYLMVQLSADTWVRFSIWMAIGFLIYFS
YGIRHSLEGHLRDENNEEDAYPDNVHAAAEEKSAIQANDHHPRNLSSPFIFHEKTSEF
GenBank ID Protein 258614005
UniProtKB/Swiss-Prot ID P52569
UniProtKB/Swiss-Prot Entry Name CTR2_HUMAN
PDB IDs Not Available
GenBank Gene ID NM_001008539.3
GeneCard ID SLC7A2
GenAtlas ID SLC7A2
HGNC ID HGNC:11060
References
General References
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  2. Dephoure N, Zhou C, Villen J, Beausoleil SA, Bakalarski CE, Elledge SJ, Gygi SP: A quantitative atlas of mitotic phosphorylation. Proc Natl Acad Sci U S A. 2008 Aug 5;105(31):10762-7. doi: 10.1073/pnas.0805139105. Epub 2008 Jul 31. [PubMed:18669648 ]
  3. Bechtel S, Rosenfelder H, Duda A, Schmidt CP, Ernst U, Wellenreuther R, Mehrle A, Schuster C, Bahr A, Blocker H, Heubner D, Hoerlein A, Michel G, Wedler H, Kohrer K, Ottenwalder B, Poustka A, Wiemann S, Schupp I: The full-ORF clone resource of the German cDNA Consortium. BMC Genomics. 2007 Oct 31;8:399. [PubMed:17974005 ]
  4. Nusbaum C, Mikkelsen TS, Zody MC, Asakawa S, Taudien S, Garber M, Kodira CD, Schueler MG, Shimizu A, Whittaker CA, Chang JL, Cuomo CA, Dewar K, FitzGerald MG, Yang X, Allen NR, Anderson S, Asakawa T, Blechschmidt K, Bloom T, Borowsky ML, Butler J, Cook A, Corum B, DeArellano K, DeCaprio D, Dooley KT, Dorris L 3rd, Engels R, Glockner G, Hafez N, Hagopian DS, Hall JL, Ishikawa SK, Jaffe DB, Kamat A, Kudoh J, Lehmann R, Lokitsang T, Macdonald P, Major JE, Matthews CD, Mauceli E, Menzel U, Mihalev AH, Minoshima S, Murayama Y, Naylor JW, Nicol R, Nguyen C, O'Leary SB, O'Neill K, Parker SC, Polley A, Raymond CK, Reichwald K, Rodriguez J, Sasaki T, Schilhabel M, Siddiqui R, Smith CL, Sneddon TP, Talamas JA, Tenzin P, Topham K, Venkataraman V, Wen G, Yamazaki S, Young SK, Zeng Q, Zimmer AR, Rosenthal A, Birren BW, Platzer M, Shimizu N, Lander ES: DNA sequence and analysis of human chromosome 8. Nature. 2006 Jan 19;439(7074):331-5. [PubMed:16421571 ]
  5. Hoshide R, Ikeda Y, Karashima S, Matsuura T, Komaki S, Kishino T, Niikawa N, Endo F, Matsuda I: Molecular cloning, tissue distribution, and chromosomal localization of human cationic amino acid transporter 2 (HCAT2). Genomics. 1996 Dec 1;38(2):174-8. [PubMed:8954799 ]
  6. Closs EI, Graf P, Habermeier A, Cunningham JM, Forstermann U: Human cationic amino acid transporters hCAT-1, hCAT-2A, and hCAT-2B: three related carriers with distinct transport properties. Biochemistry. 1997 May 27;36(21):6462-8. [PubMed:9174363 ]