NameFolate transporter 1
Synonyms
  • FLOT1
  • FOLT
  • IFC-1
  • Intestinal folate carrier 1
  • Placental folate transporter
  • Reduced folate carrier protein
  • RFC
  • RFC1
  • Solute carrier family 19 member 1
Gene NameSLC19A1
OrganismHuman
Amino acid sequence
>lcl|BSEQ0008562|Folate transporter 1
MVPSSPAVEKQVPVEPGPDPELRSWRHLVCYLCFYGFMAQIRPGESFITPYLLGPDKNFT
REQVTNEITPVLSYSYLAVLVPVFLLTDYLRYTPVLLLQGLSFVSVWLLLLLGHSVAHMQ
LMELFYSVTMAARIAYSSYIFSLVRPARYQRVAGYSRAAVLLGVFTSSVLGQLLVTVGRV
SFSTLNYISLAFLTFSVVLALFLKRPKRSLFFNRDDRGRCETSASELERMNPGPGGKLGH
ALRVACGDSVLARMLRELGDSLRRPQLRLWSLWWVFNSAGYYLVVYYVHILWNEVDPTTN
SARVYNGAADAASTLLGAITSFAAGFVKIRWARWSKLLIAGVTATQAGLVFLLAHTRHPS
SIWLCYAAFVLFRGSYQFLVPIATFQIASSLSKELCALVFGVNTFFATIVKTIITFIVSD
VRGLGLPVRKQFQLYSVYFLILSIIYFLGAMLDGLRHCQRGHHPRQPPAQGLRSAAEEKA
AQALSVQDKGLGGLQPAQSPPLSPEDSLGAVGPASLEQRQSDPYLAQAPAPQAAEFLSPV
TTPSPCTLCSAQASGPEAADETCPQLAVHPPGVSKLGLQCLPSDGVQNVNQ
Number of residues591
Molecular Weight64867.62
Theoretical pINot Available
GO Classification
Functions
  • methotrexate transporter activity
  • folic acid binding
  • reduced folate carrier activity
  • folic acid transporter activity
Processes
  • folic acid transport
  • folic acid metabolic process
  • methotrexate transport
  • reduced folate transmembrane transport
  • small molecule metabolic process
  • transmembrane transport
  • vitamin metabolic process
  • water-soluble vitamin metabolic process
Components
  • plasma membrane
  • integral component of plasma membrane
  • basolateral plasma membrane
  • apical plasma membrane
General FunctionReduced folate carrier activity
Specific FunctionTransporter for the intake of folate. Uptake of folate in human placental choriocarcinoma cells occurs by a novel mechanism called potocytosis which functionally couples three components, namely the folate receptor, the folate transporter, and a V-type H(+)-pump.
Pfam Domain Function
Transmembrane Regions24-44 71-89 96-116 124-144 160-177 187-203 260-287 310-327 334-354 361-378 395-419 434-454
GenBank Protein IDNot Available
UniProtKB IDP41440
UniProtKB Entry NameS19A1_HUMAN
Cellular LocationMembrane
Gene sequence
>lcl|BSEQ0017517|Folate transporter 1 (SLC19A1)
ATGGTGCCCTCCAGCCCAGCGGTGGAGAAGCAGGTGCCCGTGGAACCTGGGCCTGACCCC
GAGCTCCGGTCCTGGCGGCACCTCGTGTGCTACCTTTGCTTCTACGGCTTCATGGCGCAG
ATACGGCCAGGGGAGAGCTTCATCACCCCCTACCTCCTGGGGCCCGACAAGAACTTCACG
CGGGAGCAGGTCACGAACGAGATCACGCCGGTGCTGTCGTACTCCTACCTGGCCGTGCTG
GTGCCCGTGTTCCTGCTCACCGACTACCTGCGCTACACGCCGGTGCTGCTGCTGCAGGGG
CTCAGCTTCGTGTCGGTGTGGCTGCTGCTGCTGCTGGGCCACTCGGTGGCGCACATGCAG
CTCATGGAGCTCTTCTACAGCGTCACCATGGCCGCGCGCATCGCCTATTCCTCCTACATC
TTCTCTCTCGTGCGGCCCGCGCGCTACCAGCGTGTGGCCGGCTACTCGCGCGCTGCGGTG
CTGCTGGGCGTGTTCACCAGCTCCGTGCTGGGCCAGCTGCTGGTCACTGTGGGCCGAGTC
TCCTTCTCCACGCTCAACTACATCTCGCTGGCCTTCCTCACCTTCAGCGTGGTCCTCGCC
CTCTTCCTGAAGCGCCCCAAGCGCAGCCTCTTCTTCAACCGCGACGACCGGGGGCGGTGC
GAAACCTCGGCTTCGGAGCTGGAGCGCATGAATCCTGGCCCAGGCGGGAAGCTGGGACAC
GCCCTGCGGGTGGCCTGTGGGGACTCAGTGCTGGCGCGGATGCTGCGGGAGCTGGGGGAC
AGCCTGCGGCGGCCGCAGCTGCGCCTGTGGTCCCTCTGGTGGGTCTTCAACTCGGCCGGC
TACTACCTGGTGGTCTACTACGTGCACATCCTGTGGAACGAGGTGGACCCCACCACCAAC
AGTGCGCGGGTCTACAACGGCGCGGCAGATGCTGCCTCCACGCTGCTGGGCGCCATCACG
TCCTTCGCCGCGGGCTTCGTGAAGATCCGCTGGGCGCGCTGGTCCAAGCTGCTCATCGCG
GGCGTCACGGCCACGCAGGCGGGGCTGGTCTTCCTTCTGGCGCACACGCGCCACCCGAGC
AGCATCTGGCTGTGCTATGCGGCCTTCGTGCTGTTCCGCGGCTCCTACCAGTTCCTCGTG
CCCATCGCCACCTTTCAGATTGCATCTTCTCTGTCTAAAGAGCTCTGTGCCCTGGTCTTC
GGGGTCAACACGTTCTTTGCCACCATCGTCAAGACCATCATCACTTTCATTGTCTCGGAC
GTGCGGGGCCTGGGCCTCCCGGTCCGCAAGCAGAATGAAGAACTGCATGTGGCTTCTCTG
TCTCTGTGGAAAAGCCATCTCAGGTTGGCGGCAGACACATTGTCATCAGAGGGGAGCAGC
GGCTCTGGTCCTCGGAGCTGGTTCCTCTCTCCCACCCTAAGGGCAGCCCTCCATGGTCCT
GTCTGTCCTTCTGAAGTGTGTCCATCCTGA
GenBank Gene IDNot Available
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:10937
Chromosome Location21
LocusNot Available
References
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  3. Moscow JA, Gong M, He R, Sgagias MK, Dixon KH, Anzick SL, Meltzer PS, Cowan KH: Isolation of a gene encoding a human reduced folate carrier (RFC1) and analysis of its expression in transport-deficient, methotrexate-resistant human breast cancer cells. Cancer Res. 1995 Sep 1;55(17):3790-4. 7641195
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