allantoate permease family major facilitator superfamily (MFS) transporter may function as an anion:cation symporter of vitamins such as allantoate, nicotinate, panthotenate and biotin
Pantothenate transporter FEN2 and similar transporters of the Major Facilitator Superfamily; ...
77-478
5.90e-142
Pantothenate transporter FEN2 and similar transporters of the Major Facilitator Superfamily; This family is composed of Saccharomyces cerevisiae pantothenate transporter FEN2 (or fenpropimorph resistance protein 2) and similar proteins from fungi and bacteria including fungal vitamin H transporter, allantoate permease, and high-affinity nicotinic acid transporter, as well as Pseudomonas putida phthalate transporter and nicotinate degradation protein T (nicT). These proteins are involved in the uptake into the cell of specific substrates such as pathothenate, biotin, allantoate, and nicotinic acid, among others. The FEN2-like family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
:
Pssm-ID: 340885 [Multi-domain] Cd Length: 406 Bit Score: 414.72 E-value: 5.90e-142
Pantothenate transporter FEN2 and similar transporters of the Major Facilitator Superfamily; ...
77-478
5.90e-142
Pantothenate transporter FEN2 and similar transporters of the Major Facilitator Superfamily; This family is composed of Saccharomyces cerevisiae pantothenate transporter FEN2 (or fenpropimorph resistance protein 2) and similar proteins from fungi and bacteria including fungal vitamin H transporter, allantoate permease, and high-affinity nicotinic acid transporter, as well as Pseudomonas putida phthalate transporter and nicotinate degradation protein T (nicT). These proteins are involved in the uptake into the cell of specific substrates such as pathothenate, biotin, allantoate, and nicotinic acid, among others. The FEN2-like family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340885 [Multi-domain] Cd Length: 406 Bit Score: 414.72 E-value: 5.90e-142
Pantothenate transporter FEN2 and similar transporters of the Major Facilitator Superfamily; ...
77-478
5.90e-142
Pantothenate transporter FEN2 and similar transporters of the Major Facilitator Superfamily; This family is composed of Saccharomyces cerevisiae pantothenate transporter FEN2 (or fenpropimorph resistance protein 2) and similar proteins from fungi and bacteria including fungal vitamin H transporter, allantoate permease, and high-affinity nicotinic acid transporter, as well as Pseudomonas putida phthalate transporter and nicotinate degradation protein T (nicT). These proteins are involved in the uptake into the cell of specific substrates such as pathothenate, biotin, allantoate, and nicotinic acid, among others. The FEN2-like family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340885 [Multi-domain] Cd Length: 406 Bit Score: 414.72 E-value: 5.90e-142
Major Facilitator Superfamily; The Major Facilitator Superfamily (MFS) is a large and diverse ...
88-480
1.12e-28
Major Facilitator Superfamily; The Major Facilitator Superfamily (MFS) is a large and diverse group of secondary transporters that includes uniporters, symporters, and antiporters. MFS proteins facilitate the transport across cytoplasmic or internal membranes of a variety of substrates including ions, sugar phosphates, drugs, neurotransmitters, nucleosides, amino acids, and peptides. They do so using the electrochemical potential of the transported substrates. Uniporters transport a single substrate, while symporters and antiporters transport two substrates in the same or in opposite directions, respectively, across membranes. MFS proteins are typically 400 to 600 amino acids in length, and the majority contain 12 transmembrane alpha helices (TMs) connected by hydrophilic loops. The N- and C-terminal halves of these proteins display weak similarity and may be the result of a gene duplication/fusion event. Based on kinetic studies and the structures of a few bacterial superfamily members, GlpT (glycerol-3-phosphate transporter), LacY (lactose permease), and EmrD (multidrug transporter), MFS proteins are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement. Bacterial members function primarily for nutrient uptake, and as drug-efflux pumps to confer antibiotic resistance. Some MFS proteins have medical significance in humans such as the glucose transporter Glut4, which is impaired in type II diabetes, and glucose-6-phosphate transporter (G6PT), which causes glycogen storage disease when mutated.
Pssm-ID: 349949 [Multi-domain] Cd Length: 378 Bit Score: 117.14 E-value: 1.12e-28
Hexuronate transporter, Glucarate transporter, and similar transporters of the Major ...
80-485
9.40e-24
Hexuronate transporter, Glucarate transporter, and similar transporters of the Major Facilitator Superfamily; This family is composed of predominantly bacterial transporters for hexuronate (ExuT), glucarate (GudP), galactarate (GarP), and galactonate (DgoT). They mediate the uptake of these compounds into the cell. They belong to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340877 [Multi-domain] Cd Length: 358 Bit Score: 102.65 E-value: 9.40e-24
Purine ribonucleoside efflux pump NepI and similar transporters of the Major Facilitator ...
108-485
1.87e-09
Purine ribonucleoside efflux pump NepI and similar transporters of the Major Facilitator Superfamily; This family is composed of purine efflux pumps such as Escherichia coli NepI and Bacillus subtilis PbuE, sugar efflux transporters such as Corynebacterium glutamicum arabinose efflux permease, multidrug resistance (MDR) transporters such as Streptomyces lividans chloramphenicol resistance protein (CmlR), and similar proteins. NepI and PbuE are involved in the efflux of purine ribonucleosides such as guanosine, adenosine and inosine, as well as purine bases like guanine, adenine, and hypoxanthine, and purine base analogs. They play a role in the maintenance of cellular purine base pools, as well as in protecting the cells and conferring resistance against toxic purine base analogs such as 6-mercaptopurine. MDR transporters are drug/H+ antiporters (DHA) that mediate the efflux of a variety of drugs and toxic compounds, and confer resistance to these compounds. The NepI-like family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340882 [Multi-domain] Cd Length: 370 Bit Score: 59.49 E-value: 1.87e-09
bacterial MdtG-like and eukaryotic solute carrier 18 (SLC18) family of the Major Facilitator ...
110-485
3.41e-09
bacterial MdtG-like and eukaryotic solute carrier 18 (SLC18) family of the Major Facilitator Superfamily of transporters; This family is composed of eukaryotic solute carrier 18 (SLC18) family transporters and related bacterial multidrug resistance (MDR) transporters including several proteins from Escherichia coli such as multidrug resistance protein MdtG, from Bacillus subtilis such as multidrug resistance proteins 1 (Bmr1) and 2 (Bmr2), and from Staphylococcus aureus such as quinolone resistance protein NorA. The family also includes Escherichia coli arabinose efflux transporters YfcJ and YhhS. MDR transporters are drug/H+ antiporters (DHA) that mediate the efflux of a variety of drugs and toxic compounds, and confer resistance to these compounds. The SLC18 transporter family includes vesicular monoamine transporters (VAT1 and VAT2), vesicular acetylcholine transporter (VAChT), and SLC18B1, which is proposed to be a vesicular polyamine transporter (VPAT). The MdtG/SLC18 family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340883 [Multi-domain] Cd Length: 375 Bit Score: 58.74 E-value: 3.41e-09
Mycobacterium tuberculosis uncharacterized MFS-type transporter MT3072 and similar ...
123-396
3.71e-09
Mycobacterium tuberculosis uncharacterized MFS-type transporter MT3072 and similar transporters of the Major Facilitator Superfamily; This family includes the Mycobacterium tuberculosis uncharacterized MFS-type transporter MT3072. It belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 341028 [Multi-domain] Cd Length: 378 Bit Score: 58.40 E-value: 3.71e-09
Plant Nitrate transporter NRT2 family and Bacterial Nitrate/Nitrite transporters of the Major ...
135-484
1.37e-07
Plant Nitrate transporter NRT2 family and Bacterial Nitrate/Nitrite transporters of the Major Facilitator Superfamily; This family is composed of plant NRT2 family high-affinity nitrate transporters as well as nitrate and nitrite transporters from bacteria including Bacillus subtilis nitrate transporter NasA and nitrite extrusion protein NarK, Staphylococcus aureus NarT, Synechococcus sp. nitrate permease NapA, Mycobacterium tuberculosis NarK2 and nitrite extrusion protein NarU. NRT2 family proteins are involved in the uptake of nitrate by plant roots from the soil through the high-affinity transport system (HATS). There are seven Arabidopsis thaliana NRT2 proteins, called AtNRT2:1 to AtNRT2:7. The NRT2-like family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340899 [Multi-domain] Cd Length: 384 Bit Score: 53.79 E-value: 1.37e-07
Protein spinster and spinster homologs of the Major Facilitator Superfamily of transporters; ...
83-269
3.37e-07
Protein spinster and spinster homologs of the Major Facilitator Superfamily of transporters; The protein spinster family includes Drosophila protein spinster, its vertebrate homologs, and similar proteins. Humans contain three homologs called protein spinster homologs 1 (SPNS1), 2 (SPNS2), and 3 (SPNS3). Protein spinster and its homologs may be sphingolipid transporters that play central roles in endosomes and/or lysosomes storage. SPNS2 is also called sphingosine 1-phosphate (S1P) transporter and is required for migration of myocardial precursors. S1P is a secreted lipid mediator that plays critical roles in cardiovascular, immunological, and neural development and function. The spinster-like family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340886 [Multi-domain] Cd Length: 405 Bit Score: 52.62 E-value: 3.37e-07
Multidrug transporter MdfA and similar multidrug resistance (MDR) transporters of the Major ...
240-483
4.66e-07
Multidrug transporter MdfA and similar multidrug resistance (MDR) transporters of the Major Facilitator Superfamily; This family is composed of bacterial multidrug resistance (MDR) transporters including several proteins from Escherichia coli such as MdfA (also called chloramphenicol resistance pump Cmr), EmrD, MdtM, MdtL, bicyclomycin resistance protein (also called sulfonamide resistance protein), and the uncharacterized inner membrane transport protein YdhC. EmrD is a proton-dependent secondary transporter, first identified as an efflux pump for uncouplers of oxidative phosphorylation. It expels a range of drug molecules and amphipathic compounds across the inner membrane of E. coli. Similarly, MdfA is a secondary multidrug transporter that exports a broad spectrum of structurally and electrically dissimilar toxic compounds. These MDR transporters are drug/H+ antiporters (DHA) belonging to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340878 [Multi-domain] Cd Length: 379 Bit Score: 52.19 E-value: 4.66e-07
Uncharacterized protein YjiJ and similar proteins of the Major Facilitator Superfamily of ...
82-480
4.20e-06
Uncharacterized protein YjiJ and similar proteins of the Major Facilitator Superfamily of transporters; This family is composed of Escherichia coli YjiJ and other uncharacterized proteins. They belong to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340869 [Multi-domain] Cd Length: 371 Bit Score: 48.84 E-value: 4.20e-06
MFS family permease, includes anhydromuropeptide permease AmpG [Carbohydrate transport and ...
80-272
2.78e-05
MFS family permease, includes anhydromuropeptide permease AmpG [Carbohydrate transport and metabolism, Amino acid transport and metabolism, Inorganic ion transport and metabolism, General function prediction only];
Pssm-ID: 440245 [Multi-domain] Cd Length: 295 Bit Score: 45.96 E-value: 2.78e-05
Solute carrier family 37 members 1 and 2 of the Major Facilitator Superfamily of transporters; ...
124-268
2.96e-05
Solute carrier family 37 members 1 and 2 of the Major Facilitator Superfamily of transporters; Solute carrier family 37 members 1 (SLC37A1) and 2 (SLC37A2) are also called sugar phosphate exchangers 1 (SPX1) and 2 (SPX2). SLC37A1 and SLC37A2 are ER-associated, Pi-linked antiporters that can transport glucose-6-phosphate (G6P) but are insensitive to chlorogenic acid, a competitive inhibitor of physiological ER G6P transport, unlike SLC37A4, the best characterized SLC37 family member and is the physiological G6P transporter (G6PT). SLC37A1 and SLC37A2 belong to the Organophosphate:Pi antiporter (OPA)/SLC37 family, whose members are integral membrane proteins responsible for the transport of specific organophosphates or sugar phosphates across biological membranes with the simultaneous translocation of inorganic phosphate into the opposite direction. The OPA/SLC37 family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340902 [Multi-domain] Cd Length: 400 Bit Score: 46.54 E-value: 2.96e-05
Membrane sensor protein UhpC of the Major Facilitator Superfamily of transporters; Membrane ...
80-290
4.14e-05
Membrane sensor protein UhpC of the Major Facilitator Superfamily of transporters; Membrane sensor protein UhpC acts as both a sensor and a transport protein. It is part of the UhpABC signaling cascade that controls the expression of the hexose phosphate transporter UhpT. UhpC recognizes external glucose-6-phosphate (Glc6P) and induces transport by UhpT. It can also transport and sense Glc6P, and interacts with the histidine kinase UhpB, leading to the stimulation of the autokinase activity of UhpB. This group also includes the hexose phosphate transport protein UhpT from Chlamydia pneumoniae; it is a transport protein for sugar phosphate uptake. It is part of the Organophosphate:Pi antiporter (OPA) family of integral membrane proteins responsible for the transport of specific organophosphates or sugar phosphates across biological membranes with the simultaneous translocation of inorganic phosphate into the opposite direction. The UhpC group belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 341041 [Multi-domain] Cd Length: 364 Bit Score: 45.86 E-value: 4.14e-05
Shikimate transporter and similar proteins of the Major Facilitator Superfamily; This ...
239-395
4.61e-05
Shikimate transporter and similar proteins of the Major Facilitator Superfamily; This subfamily is composed of Escherichia coli shikimate transporter (ShiA), inner membrane metabolite transport protein YhjE, and other putative metabolite transporters. ShiA is involved in the uptake of shikimate, an aromatic compound involved in siderophore biosynthesis. It has been suggested that YhjE may mediate the uptake of osmoprotectants. The ShiA-like subfamily belongs to the Metazoan Synaptic Vesicle Glycoprotein 2 (SV2) and related small molecule transporter family (SV2-like) of the Major Facilitator Superfamily (MFS) of membrane transport proteins. MFS proteins are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340927 [Multi-domain] Cd Length: 408 Bit Score: 45.98 E-value: 4.61e-05
Solute carrier 17 (SLC17) family of the Major Facilitator Superfamily of transporters; The ...
111-263
6.99e-05
Solute carrier 17 (SLC17) family of the Major Facilitator Superfamily of transporters; The Solute carrier 17 (SLC17) family is primarily involved in the transport of organic anions. There are nime human proteins belonging to this family including: the type I phosphate transporters (SLC17A1-4) that were initially identified as sodium-dependent inorganic phosphate (Pi) transporters but are now known to be involved in tha transport of organic anions; lysosomal acidic sugar transporter (SLC17A5 or sialin), vesicular glutamate transporters (VGluT1#3 or SLC17A7, SLC17A6, and SLC17A8, respectively), and a vesicular nucleotide transporter (VNUT or SLC17A9). SLC17A1 and SLC17A3 have roles in the transport of urate and para-aminohippurate, respectively. The SLC17 family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340876 [Multi-domain] Cd Length: 389 Bit Score: 45.30 E-value: 6.99e-05
Macrolide efflux protein A and similar proteins of the Major Facilitator Superfamily of ...
118-486
1.85e-04
Macrolide efflux protein A and similar proteins of the Major Facilitator Superfamily of transporters; This family is composed of Streptococcus pyogenes macrolide efflux protein A (MefA) and similar transporters, many of which remain uncharacterized. Some members may be multidrug resistance (MDR) transporters, which are drug/H+ antiporters (DHAs) that mediate the efflux of a variety of drugs and toxic compounds, conferring resistance to these compounds. MefA confers resistance to 14-membered macrolides including erythromycin and to 15-membered macrolides. It functions as an efflux pump to regulate intracellular macrolide levels. The MefA-like family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340863 [Multi-domain] Cd Length: 383 Bit Score: 43.76 E-value: 1.85e-04
Solute carrier family 17 member 9 and similar proteins of the Major Facilitator Superfamily of ...
119-263
5.51e-04
Solute carrier family 17 member 9 and similar proteins of the Major Facilitator Superfamily of transporters; This subfamily includes solute carrier family 17 member 9 (SLC17A9) and similar proteins including plant inorganic phosphate transporters (PHT4) that are also probably anion transporters. SLC17A9, also called vesicular nucleotide transporter (VNUT), is involved in vesicular storage and exocytosis of ATP. It facilitates the accumulation of ATP and other nucleotides in secretory vesicles such as adrenal chromaffin granules and synaptic vesicles. It also functions as a lysosomal ATP transporter and regulates cell viability. Plant PHT4 family transporters mediate the transport of inorganic phosphate and may also transport organic anions. The Arabidopsis protein AtPHT4;4 is a chloroplast-localized ascorbate transporter. PHT4 proteins show differential expression that suggests specialized functions. The SLC17A9-like subfamily belongs to the Solute carrier 17 (SLC17) family of the Major Facilitator Superfamily (MFS) of membrane transport proteins. MFS proteins are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340938 [Multi-domain] Cd Length: 361 Bit Score: 42.16 E-value: 5.51e-04
Metazoan Synaptic vesicle glycoprotein 2 (SV2) and related small molecule transporters of the ...
149-415
7.13e-04
Metazoan Synaptic vesicle glycoprotein 2 (SV2) and related small molecule transporters of the Major Facilitator Superfamily; This family is composed of metazoan synaptic vesicle glycoprotein 2 (SV2) and related small molecule transporters including those that transport inorganic phosphate (Pht), aromatic compounds (PcaK and related proteins), proline/betaine (ProP), alpha-ketoglutarate (KgtP), citrate (CitA), shikimate (ShiA), and cis,cis-muconate (MucK), among others. SV2 is a transporter-like protein that serves as the receptor for botulinum neurotoxin A (BoNT/A), one of seven neurotoxins produced by the bacterium Clostridium botulinum. BoNT/A blocks neurotransmitter release by cleaving synaptosome-associated protein of 25 kD (SNAP-25) within presynaptic nerve terminals. Also included in this family is synaptic vesicle 2 (SV2)-related protein (SVOP) and similar proteins. SVOP is a transporter-like nucleotide binding protein that localizes to neurotransmitter-containing vesicles. The SV2-like family belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340874 [Multi-domain] Cd Length: 353 Bit Score: 41.82 E-value: 7.13e-04
Glycerol-3-Phosphate Transporter of the Major Facilitator Superfamily of transporters; ...
172-387
4.36e-03
Glycerol-3-Phosphate Transporter of the Major Facilitator Superfamily of transporters; Glycerol-3-Phosphate Transporter (also called GlpT or G-3-P permease) is responsible for glycerol-3-phosphate uptake. It is part of the Organophosphate:Pi antiporter (OPA) family of integral membrane proteins responsible for the transport of specific organophosphates or sugar phosphates across biological membranes with the simultaneous translocation of inorganic phosphate into the opposite direction. The GlpT group belongs to the Major Facilitator Superfamily (MFS) of membrane transport proteins, which are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340903 [Multi-domain] Cd Length: 411 Bit Score: 39.53 E-value: 4.36e-03
Database: CDSEARCH/cdd Low complexity filter: no Composition Based Adjustment: yes E-value threshold: 0.01
References:
Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
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