major facilitator superfamily (MFS) transporter facilitates the transport across cytoplasmic or internal membranes of one or more from a variety of substrates including ions, sugar phosphates, drugs, neurotransmitters, nucleosides, amino acids, and peptides
Major Facilitator Superfamily; The Major Facilitator Superfamily (MFS) is a large and diverse ...
417-804
2.06e-61
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.
The actual alignment was detected with superfamily member cd17394:
Pssm-ID: 475125 [Multi-domain] Cd Length: 401 Bit Score: 213.62 E-value: 2.06e-61
Fucose permease and similar proteins of the Major Facilitator Superfamily of transporters; ...
417-804
2.06e-61
Fucose permease and similar proteins of the Major Facilitator Superfamily of transporters; This subfamily is composed of L-fucose permease (also called L-fucose-proton symporter) and similar proteins such as glucose/galactose transporter and N-acetyl glucosamine transporter NagP. L-fucose permease facilitates the uptake of L-fucose across the boundary membrane with the concomitant transport of protons into the cell; it can also transport L-galactose and D-arabinose. Glucose/galactose transporter functions in the uptake of of glucose and galactose. The FucP-like subfamily belongs to the bacterial fucose permease, eukaryotic Major facilitator superfamily domain-containing protein 4 (FucP/MFSD4) family of the Major Facilitator Superfamily (MFS) of transporters. MFS proteins are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340952 [Multi-domain] Cd Length: 401 Bit Score: 213.62 E-value: 2.06e-61
L-fucose:H+ symporter permease; This family describes the L-fucose permease in bacteria. ...
412-775
4.15e-42
L-fucose:H+ symporter permease; This family describes the L-fucose permease in bacteria. L-fucose(6-deoxy-L-galactose) is a monosaccharide found in glycoproteins and cell wall polysaccharides. L-fucose is used in bacteria through an inducible pathway mediated by atleast four enzymes: a permease, isomerase, kinase and an aldolase which are encoded by fucP, fucI, fucK, fucA respectively. The fuc genes belong to a regulon comprising of four linked operons: fucO, fucA, fucPIK and fucR. The positive regulator is encoded by fucR, whose protein responds to fuculose-1-phosphate, which acts as an effector. [Transport and binding proteins, Carbohydrates, organic alcohols, and acids]
Pssm-ID: 211614 Cd Length: 408 Bit Score: 159.25 E-value: 4.15e-42
Fucose permease and similar proteins of the Major Facilitator Superfamily of transporters; ...
417-804
2.06e-61
Fucose permease and similar proteins of the Major Facilitator Superfamily of transporters; This subfamily is composed of L-fucose permease (also called L-fucose-proton symporter) and similar proteins such as glucose/galactose transporter and N-acetyl glucosamine transporter NagP. L-fucose permease facilitates the uptake of L-fucose across the boundary membrane with the concomitant transport of protons into the cell; it can also transport L-galactose and D-arabinose. Glucose/galactose transporter functions in the uptake of of glucose and galactose. The FucP-like subfamily belongs to the bacterial fucose permease, eukaryotic Major facilitator superfamily domain-containing protein 4 (FucP/MFSD4) family of the Major Facilitator Superfamily (MFS) of transporters. MFS proteins are thought to function through a single substrate binding site, alternating-access mechanism involving a rocker-switch type of movement.
Pssm-ID: 340952 [Multi-domain] Cd Length: 401 Bit Score: 213.62 E-value: 2.06e-61
L-fucose:H+ symporter permease; This family describes the L-fucose permease in bacteria. ...
412-775
4.15e-42
L-fucose:H+ symporter permease; This family describes the L-fucose permease in bacteria. L-fucose(6-deoxy-L-galactose) is a monosaccharide found in glycoproteins and cell wall polysaccharides. L-fucose is used in bacteria through an inducible pathway mediated by atleast four enzymes: a permease, isomerase, kinase and an aldolase which are encoded by fucP, fucI, fucK, fucA respectively. The fuc genes belong to a regulon comprising of four linked operons: fucO, fucA, fucPIK and fucR. The positive regulator is encoded by fucR, whose protein responds to fuculose-1-phosphate, which acts as an effector. [Transport and binding proteins, Carbohydrates, organic alcohols, and acids]
Pssm-ID: 211614 Cd Length: 408 Bit Score: 159.25 E-value: 4.15e-42
Bacterial fucose permease, eukaryotic Major facilitator superfamily domain-containing protein ...
420-800
4.90e-28
Bacterial fucose permease, eukaryotic Major facilitator superfamily domain-containing protein 4, and similar proteins; This family is composed of bacterial L-fucose permease (FucP), eukaryotic Major facilitator superfamily domain-containing protein 4 (MFSD4) proteins, and similar proteins. L-fucose permease facilitates the uptake of L-fucose across the boundary membrane with the concomitant transport of protons into the cell; it can also transport L-galactose and D-arabinose. The MFSD4 subfamily consists of two vertebrate members: MFSD4A and MFSD4B. The function of MFSD4A is unknown. MFSD4B is more commonly know as Sodium-dependent glucose transporter 1 (NaGLT1), a primary fructose transporter in rat renal brush-border membranes that also facilitates sodium-independent urea uptake. The FucP/MFSD4 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: 340891 [Multi-domain] Cd Length: 372 Bit Score: 117.04 E-value: 4.90e-28
glucose/galactose transporter; This model describes the glucose/galactose transporter in ...
496-801
5.83e-26
glucose/galactose transporter; This model describes the glucose/galactose transporter in bacteria. This belongs to the larger facilitator superfamily. Disruption of the loci leads to the total loss of glucose or galactose uptake in E.coli. Putative transporters in other bacterial species were isolated by functional complementation, which restored it functional activity. [Transport and binding proteins, Carbohydrates, organic alcohols, and acids]
Pssm-ID: 273531 [Multi-domain] Cd Length: 310 Bit Score: 109.21 E-value: 5.83e-26
Major Facilitator Superfamily; The Major Facilitator Superfamily (MFS) is a large and diverse ...
418-800
1.32e-13
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: 73.61 E-value: 1.32e-13
bacterial MdtG-like and eukaryotic solute carrier 18 (SLC18) family of the Major Facilitator ...
414-596
4.55e-06
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: 49.88 E-value: 4.55e-06
Pantothenate transporter FEN2 and similar transporters of the Major Facilitator Superfamily; ...
412-795
1.58e-04
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: 44.93 E-value: 1.58e-04
Major Facilitator Superfamily; The Major Facilitator Superfamily (MFS) is a large and diverse ...
415-595
1.96e-04
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: 44.72 E-value: 1.96e-04
YcaD and similar transporters of the Major Facilitator Superfamily; This family is composed of ...
416-801
2.18e-04
YcaD and similar transporters of the Major Facilitator Superfamily; This family is composed of Escherichia coli MFS-type transporter YcaD, Bacillus subtilis MFS-type transporter YfkF, and similar proteins. They are uncharacterized transporters 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: 341030 [Multi-domain] Cd Length: 360 Bit Score: 44.47 E-value: 2.18e-04
Solute carrier 22 (SLC22) family of organic cation/anion/zwitterion transporters of the Major ...
454-598
9.76e-04
Solute carrier 22 (SLC22) family of organic cation/anion/zwitterion transporters of the Major Facilitator Superfamily; The Solute carrier 22 (SLC22) family of organic cation/anion/zwitterion transporters includes organic cation transporters (OCTs), organic zwitterion/cation transporters (OCTNs), and organic anion transporters (OATs). SLC22 transporters interact with a variety of compounds that include drugs of abuse, environmental toxins, opioid analgesics, antidepressant and anxiolytic agents, and neurotransmitters and their metabolites. The SLC22 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: 340875 [Multi-domain] Cd Length: 331 Bit Score: 42.18 E-value: 9.76e-04
Metazoan Synaptic vesicle glycoprotein 2 (SV2) and related small molecule transporters of the ...
413-599
1.57e-03
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: 1.57e-03
MFS family permease, includes anhydromuropeptide permease AmpG [Carbohydrate transport and ...
455-561
2.85e-03
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: 40.56 E-value: 2.85e-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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