Page last updated: 2024-08-07 18:47:55

Proton-coupled folate transporter

A proton-coupled folate transporter that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q96NT5]

Synonyms

G21;
Heme carrier protein 1;
PCFT/HCP1;
Solute carrier family 46 member 1

Research

Bioassay Publications (8)

TimeframeStudies on this Protein(%)All Drugs %
pre-19900 (0.00)18.7374
1990's0 (0.00)18.2507
2000's0 (0.00)29.6817
2010's8 (100.00)24.3611
2020's0 (0.00)2.80

Compounds (4)

Drugs with Inhibition Measurements

DrugTaxonomyMeasurementAverage (mM)Bioassay(s)Publication(s)
methotrexateHomo sapiens (human)IC500.120822
10-propargyl-10-deazaaminopterinHomo sapiens (human)IC500.057011
raltitrexedHomo sapiens (human)IC500.099522
pemetrexedHomo sapiens (human)IC500.022955
pemetrexedHomo sapiens (human)Ki0.677677

Drugs with Other Measurements

DrugTaxonomyMeasurementAverage (mM)Bioassay(s)Publication(s)
pemetrexedHomo sapiens (human)K0.157022

Enables

This protein enables 8 target(s):

TargetCategoryDefinition
folic acid bindingmolecular functionBinding to folic acid, pteroylglutamic acid. Folic acid is widely distributed as a member of the vitamin B complex and is essential for the synthesis of purine and pyrimidines. [GOC:jl, ISBN:0198506732]
folic acid transmembrane transporter activitymolecular functionEnables the transfer of folic acid (pteroylglutamic acid) from one side of a membrane to the other. Folic acid is widely distributed as a member of the vitamin B complex and is essential for the synthesis of purine and pyrimidines. [GOC:ai]
proton transmembrane transporter activitymolecular functionEnables the transfer of a proton from one side of a membrane to the other. [GOC:ai]
heme transmembrane transporter activitymolecular functionEnables the transfer of heme from one side of a membrane to the other. [PMID:29549126]
symporter activitymolecular functionEnables the active transport of a solute across a membrane by a mechanism whereby two or more species are transported together in the same direction in a tightly coupled process not directly linked to a form of energy other than chemiosmotic energy. [GOC:mtg_transport, ISBN:0815340729, PMID:10839820]
methotrexate transmembrane transporter activitymolecular functionEnables the transfer of methotrexate, 4-amino-10-methylformic acid from one side of a membrane to the other. Methotrexate is a folic acid analogue and a potent competitive inhibitor of dihydrofolate reductase. [GOC:ai]
folic acid:proton symporter activitymolecular functionEnables the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: folic acid(out) + H+(out) = folic acid(in) + H+(in). The main folic acid symporter is the Proton-Coupled Folate Transporter (PCFT/SLC46A1), which has similar affinity for transport of reduced folates (5-methyl THF, 5-formyl THF) and folic acid. [PMID:24745983]
transmembrane transporter activitymolecular functionEnables the transfer of a substance, usually a specific substance or a group of related substances, from one side of a membrane to the other. [GOC:jid, GOC:mtg_transport, ISBN:0815340729]

Located In

This protein is located in 8 target(s):

TargetCategoryDefinition
cytoplasmcellular componentThe contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures. [ISBN:0198547684]
endosomecellular componentA vacuole to which materials ingested by endocytosis are delivered. [ISBN:0198506732, PMID:19696797]
plasma membranecellular componentThe membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins. [ISBN:0716731363]
cell surfacecellular componentThe external part of the cell wall and/or plasma membrane. [GOC:jl, GOC:mtg_sensu, GOC:sm]
endosome membranecellular componentThe lipid bilayer surrounding an endosome. [GOC:mah]
basolateral plasma membranecellular componentThe region of the plasma membrane that includes the basal end and sides of the cell. Often used in reference to animal polarized epithelial membranes, where the basal membrane is the part attached to the extracellular matrix, or in plant cells, where the basal membrane is defined with respect to the zygotic axis. [GOC:go_curators]
apical plasma membranecellular componentThe region of the plasma membrane located at the apical end of the cell. [GOC:curators]
brush border membranecellular componentThe portion of the plasma membrane surrounding the brush border. [GOC:mah]

Active In

This protein is active in 2 target(s):

TargetCategoryDefinition
plasma membranecellular componentThe membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins. [ISBN:0716731363]
basolateral plasma membranecellular componentThe region of the plasma membrane that includes the basal end and sides of the cell. Often used in reference to animal polarized epithelial membranes, where the basal membrane is the part attached to the extracellular matrix, or in plant cells, where the basal membrane is defined with respect to the zygotic axis. [GOC:go_curators]

Involved In

This protein is involved in 11 target(s):

TargetCategoryDefinition
intracellular iron ion homeostasisbiological processA homeostatic process involved in the maintenance of a steady state level of iron ions within a cell. [GOC:ai, GOC:mah]
folic acid transportbiological processThe directed movement of folic acid (pteroylglutamic acid) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. Folic acid is widely distributed as a member of the vitamin B complex and is essential for the synthesis of purine and pyrimidines. [GOC:ai]
heme transportbiological processThe directed movement of heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. [GOC:ai]
heme metabolic processbiological processThe chemical reactions and pathways involving heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring. [GOC:jl, ISBN:0124325653]
folic acid metabolic processbiological processThe chemical reactions and pathways involving folic acid, pteroylglutamic acid. Folic acid is widely distributed as a member of the vitamin B complex and is essential for the synthesis of purine and pyrimidines. [ISBN:0198506732]
methotrexate transportbiological processThe directed movement of methotrexate, 4-amino-10-methylformic acid, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. Methotrexate is a folic acid analogue and a potent competitive inhibitor of dihydrofolate reductase. [GOC:ai]
intestinal folate absorptionbiological processUptake of folic into the blood by absorption from the small intestine. [GOC:BHF, GOC:dos, GOC:hal, PMID:19762432]
folate transmembrane transportbiological processThe process in which a folic acid, or one of its derivatives (dihydrofolate, tetrahydrofolate, methylene-tetrahydrofolate or methyl-tetrahydrofolate) is transported across a membrane. [PMID:24745983]
proton transmembrane transportbiological processThe directed movement of a proton across a membrane. [GO_REF:0000069, GOC:pr, GOC:TermGenie]
folate import across plasma membranebiological processThe directed movement of folic acid from outside of a cell, across the plasma membrane and into the cytosol. [GO_REF:0000075, GOC:BHF, GOC:hal, GOC:TermGenie, PMID:19762432]
transmembrane transportbiological processThe process in which a solute is transported across a lipid bilayer, from one side of a membrane to the other. [GOC:dph, GOC:jid]