Identification
HMDB Protein ID CDBP01639
Secondary Accession Numbers Not Available
Name Sodium/nucleoside cotransporter 1
Description Not Available
Synonyms
  1. CNT 1
  2. Concentrative nucleoside transporter 1
  3. Na(+)/nucleoside cotransporter 1
  4. Sodium-coupled nucleoside transporter 1
  5. Solute carrier family 28 member 1
  6. hCNT1
Gene Name SLC28A1
Protein Type Transporter
Biological Properties
General Function Involved in nucleoside:sodium symporter activity
Specific Function Sodium-dependent and pyrimidine-selective. Exhibits the transport characteristics of the nucleoside transport system cit or N2 subtype (N2/cit) (selective for pyrimidine nucleosides and adenosine). It also transports the antiviral pyrimidine nucleoside analogs 3'-azido-3'-deoxythymidine (AZT) and 2',3'-dideoxycytidine (ddC). It may be involved in the intestinal absorption and renal handling of pyrimidine nucleoside analogs used to treat acquired immunodeficiency syndrome (AIDS). It has the following selective inhibition: adenosine, thymidine, cytidine, uridine >> guanosine, inosine.
GO Classification
Biological Process
nucleoside transport
pyrimidine-containing compound transmembrane transport
nucleobase-containing compound metabolic process
Cellular Component
apical plasma membrane
integral to plasma membrane
Component
membrane
cell part
Function
binding
nucleoside binding
transmembrane transporter activity
substrate-specific transmembrane transporter activity
nucleobase, nucleoside, nucleotide and nucleic acid transmembrane transporter activity
nucleoside transmembrane transporter activity
nucleoside:sodium symporter activity
transporter activity
Molecular Function
nucleoside binding
nucleoside transmembrane transporter activity
pyrimidine- and adenine-specific:sodium symporter activity
Process
transport
establishment of localization
Cellular Location
  1. Membrane
  2. Multi-pass membrane protein
Pathways
Gene Properties
Chromosome Location 15
Locus 15q25.3
SNPs SLC28A1
Gene Sequence
>1950 bp
ATGGAGAACGACCCCTCGAGACGAAGAGAGTCCATCTCTCTCACACCTGTGGCCAAGGGT
CTGGAGAACATGGGGGCTGATTTCTTGGAAAGCCTGGAGGAAGGCCAGCTCCCTAGGAGT
GACTTGAGCCCCGCAGAGATCAGGAGCAGCTGGAGCGAGGCGGCGCCGAAGCCCTTCTCC
AGATGGAGGAACCTGCAGCCAGCCCTGAGAGCCAGAAGCTTCTGCAGGGAGCACATGCAG
CTGTTTCGATGGATCGGCACAGGCCTGCTCTGCACTGGGCTCTCTGCCTTCCTGCTGGTG
GCCTGCCTCCTGGATTTCCAGAGGGCCCTGGCTCTGTTTGTCCTCACCTGTGTGGTCCTC
ACCTTCCTGGGCCACCGCCTGCTGAAACGGCTTCTGGGGCCAAAGCTGAGGAGGTTTCTC
AAGCCTCAGGGCCATCCCCGCCTGCTGCTCTGGTTTAAGAGGGGTCTAGCTCTTGCTGCT
TTCCTGGGCCTGGTCCTGTGGCTGTCTCTGGACACCTCCCAGCGGCCTGAGCAACTGGTG
TCCTTCGCAGGAATCTGCGTGTTCGTCGCTCTCCTCTTTGCCTGCTCAAAGCATCATTGC
GCAGTGTCCTGGAGGGCCGTGTCTTGGGGACTTGGACTGCAGTTTGTACTTGGACTCCTC
GTCATCAGAACAGAACCAGGATTCATTGCGTTCGAGTGGCTGGGCGAGCAGATCCGGATC
TTCCTGAGCTACACGAAGGCTGGCTCCAGCTTCGTGTTTGGGGAGGCGCTGGTCAAGGAT
GTCTTTGCCTTTCAGGTTCTGCCCATCATTGTCTTTTTCAGCTGTGTCATATCCGTTCTC
TACCACGTGGGCCTCATGCAGTGGGTGATCCTGAAGATTGCCTGGCTGATGCAAGTCACC
ATGGGCACCACAGCCACTGAGACCCTGAGTGTGGCTGGAAACATCTTTGTGAGCCAGACC
GAGGCTCCATTACTGATCCGGCCCTACTTGGCAGACATGACACTCTCTGAAGTCCACGTT
GTCATGACCGGAGGTTACGCCACCATTGCTGGCAGCCTGCTGGGTGCCTACATCTCCTTT
GGGATCGATGCCACCTCGTTGATTGCAGCCTCTGTGATGGCTGCCCCTTGTGCCTTGGCC
CTCTCCAAGCTGGTCTACCCGGAGGTGGAGGAGTCCAAGTTTAGGAGGGAGGAAGGAGTG
AAACTGACCTATGGAGATGCTCAGAACCTCATAGAAGCAGCCAGCACTGGGGCCGCCATC
TCCGTGAAGGTGGTCGCCAACATCGCTGCCAACCTGATTGCGTTCCTGGCTGTGCTGGAC
TTTATCAATGCTGCCCTCTCCTGGCTGGGAGACATGGTGGACATCCAGGGGCTCAGCTTC
CAGCTCATCTGCTCCTACATCCTGCGGCCTGTAGCCTTCTTGATGGGTGTGGCGTGGGAG
GACTGCCCAGTGGTAGCTGAGCTGCTGGGGATCAAGCTGTTTCTGAACGAGTTTGTGGCC
TATCAAGACCTCTCCAAGTACAAGCAACGCCGCCTGGCAGGGGCCGAGGAGTGGGTCGGC
GACAGGAAGCAGTGGATCTCCGTCAGAGCTGAAGTCCTCACGACGTTTGCCCTCTGTGGA
TTTGCCAATTTCAGCTCCATTGGGATCATGCTGGGAGGCTTGACCTCCATGGTCCCCCAA
CGGAAGAGCGACTTCTCCCAGATAGTGCTCCGGGCGCTCTTCACGGGAGCCTGTGTGTCC
CTGGTGAACGCCTGTATGGCAGGGATCCTCTACATGCCCAGGGGGGCTGAAGTTGACTGC
ATGTCCCTCTTGAACACGACCCTCAGCAGCAGTAGCTTTGAGATTTACCAGTGCTGCCGT
GAGGCCTTCCAGAGCGTCAATCCAGAGTTCAGCCCAGAGGCCCTGGACAACTGCTGTCGG
TTTTACAACCACACGATCTGTGCACAGTGA
Protein Properties
Number of Residues 649
Molecular Weight 71583.18
Theoretical pI 7.596
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Sodium/nucleoside cotransporter 1
MENDPSRRRESISLTPVAKGLENMGADFLESLEEGQLPRSDLSPAEIRSSWSEAAPKPFS
RWRNLQPALRARSFCREHMQLFRWIGTGLLCTGLSAFLLVACLLDFQRALALFVLTCVVL
TFLGHRLLKRLLGPKLRRFLKPQGHPRLLLWFKRGLALAAFLGLVLWLSLDTSQRPEQLV
SFAGICVFVALLFACSKHHCAVSWRAVSWGLGLQFVLGLLVIRTEPGFIAFEWLGEQIRI
FLSYTKAGSSFVFGEALVKDVFAFQVLPIIVFFSCVISVLYHVGLMQWVILKIAWLMQVT
MGTTATETLSVAGNIFVSQTEAPLLIRPYLADMTLSEVHVVMTGGYATIAGSLLGAYISF
GIDATSLIAASVMAAPCALALSKLVYPEVEESKFRREEGVKLTYGDAQNLIEAASTGAAI
SVKVVANIAANLIAFLAVLDFINAALSWLGDMVDIQGLSFQLICSYILRPVAFLMGVAWE
DCPVVAELLGIKLFLNEFVAYQDLSKYKQRRLAGAEEWVGDRKQWISVRAEVLTTFALCG
FANFSSIGIMLGGLTSMVPQRKSDFSQIVLRALFTGACVSLVNACMAGILYMPRGAEVDC
MSLLNTTLSSSSFEIYQCCREAFQSVNPEFSPEALDNCCRFYNHTICAQ
GenBank ID Protein 42542381
UniProtKB/Swiss-Prot ID O00337
UniProtKB/Swiss-Prot Entry Name S28A1_HUMAN
PDB IDs Not Available
GenBank Gene ID NM_004213.3
GeneCard ID SLC28A1
GenAtlas ID SLC28A1
HGNC ID HGNC:11001
References
General References Not Available