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ERS1 ERS1 VBA3 VBA3 AGP1 AGP1 VBA2 VBA2 RTC2 RTC2 AGP2 AGP2 YMC2 YMC2 TAT1 TAT1 BAP2 BAP2 QDR3 QDR3 AVT5 AVT5 YMC1 YMC1 AGC1 AGC1 SAM3 SAM3 DIP5 DIP5 PUT4 PUT4 ORT1 ORT1 YPQ1 YPQ1 TAT2 TAT2 ALP1 ALP1 LYP1 LYP1 AVT4 AVT4 AQR1 AQR1 VBA1 VBA1 MMP1 MMP1 YCT1 YCT1 GAP1 GAP1 AVT3 AVT3 AVT1 AVT1 QDR2 QDR2 AVT7 AVT7 MUP3 MUP3 HIP1 HIP1 MUP1 MUP1 AGP3 AGP3 AVT6 AVT6 AVT2 AVT2 CAN1 CAN1 GNP1 GNP1 YPQ2 YPQ2 SSY1 SSY1 VBA4 VBA4 BAP3 BAP3 UGA4 UGA4 HEM25 HEM25
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proteins of unknown 3D structure
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ERS1Protein involved in cystine transport; localizes to the vacuole, plasma membrane and endosome; similarity to human cystinosin, a H(+)-driven transporter involved in L-cystine export from lysosomes and implicated in the disease cystinosis; contains seven transmembrane domains; mutation is functionally complemented by human CTNS. (260 aa)
VBA3Permease of basic amino acids in the vacuolar membrane; VBA3 has a paralog, VBA5, that arose from a segmental duplication; Belongs to the major facilitator superfamily. (458 aa)
AGP1Low-affinity amino acid permease with broad substrate range; involved in uptake of asparagine, glutamine, and other amino acids; expression regulated by SPS plasma membrane amino acid sensor system (Ssy1p-Ptr3p-Ssy5p); AGP1 has a paralog, GNP1, that arose from the whole genome duplication; Belongs to the amino acid-polyamine-organocation (APC) superfamily. YAT (TC 2.A.3.10) family. (633 aa)
VBA2Permease of basic amino acids in the vacuolar membrane; Belongs to the major facilitator superfamily. (474 aa)
RTC2Putative vacuolar membrane transporter for cationic amino acids; likely contributes to amino acid homeostasis by exporting cationic amino acids from the vacuole; positive regulation by Lys14p suggests that lysine may be the primary substrate; member of the PQ-loop family, with seven transmembrane domains; similar to mammalian PQLC2 vacuolar transporter; RTC2 has a paralog, YPQ1, that arose from the whole genome duplication; Belongs to the laat-1 family. (296 aa)
AGP2General amino acid permease AGP2; Plasma membrane regulator of polyamine and carnitine transport; has similarity to transporters but lacks transport activity; may act as a sensor that transduces environmental signals; has a positive or negative regulatory effect on transcription of many transporter genes. (596 aa)
YMC2Carrier protein YMC2, mitochondrial; Putative mitochondrial inner membrane transporter; proposed role in oleate metabolism and glutamate biosynthesis; member of the mitochondrial carrier (MCF) family; YMC2 has a paralog, YMC1, that arose from the whole genome duplication. (329 aa)
TAT1Valine/tyrosine/tryptophan amino-acid permease 1; Amino acid transporter for valine, leucine, isoleucine, and tyrosine; low-affinity tryptophan and histidine transporter; overexpression confers FK506 and FTY720 resistance; protein abundance increases in response to DNA replication stress. (619 aa)
BAP2Leu/Val/Ile amino-acid permease; High-affinity leucine permease; functions as a branched-chain amino acid permease involved in uptake of leucine, isoleucine and valine; contains 12 predicted transmembrane domains; BAP2 has a paralog, BAP3, that arose from the whole genome duplication; Belongs to the amino acid-polyamine-organocation (APC) superfamily. YAT (TC 2.A.3.10) family. (609 aa)
QDR3Quinidine resistance protein 3; Multidrug transporter of the major facilitator superfamily; member of the 12-spanner drug:H(+) antiporter DHA1 family; has a role in polyamine homeostasis; involved in spore wall asembly; sequence similarity to DTR1 and QDR1, and the triple mutant dtr1 qdr1 qdr3 exhibits reduced dityrosine fluorescence relative to the single mutants; expression is upregulated under polyamine stress; required for resistance to quinidine, barban, cisplatin, and bleomycin. (689 aa)
AVT5Vacuolar amino acid transporter 5; Putative transporter; member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters; AVT5 has a paralog, AVT6, that arose from the whole genome duplication; Belongs to the amino acid/polyamine transporter 2 family. (459 aa)
YMC1Secondary mitochondrial inner membrane glycine transporter; required with HEM25 for the transport of glycine into mitochondria for the initiation of heme biosynthesis; proposed role in oleate metabolism and glutamate biosynthesis; member of the mitochondrial carrier (MCF) family; localizes to the vacuole in response to H2O2; YMC1 has a paralog, YMC2, that arose from the whole genome duplication. (307 aa)
AGC1Mitochondrial amino acid transporter; acts both as a glutamate uniporter and as an aspartate-glutamate exchanger; involved in nitrogen metabolism and nitrogen compound biosynthesis; human homolog SLC25A13 complements yeast null mutant; Belongs to the mitochondrial carrier (TC 2.A.29) family. (902 aa)
SAM3High-affinity S-adenosylmethionine permease; required for utilization of S-adenosylmethionine as a sulfur source; has similarity to S-methylmethionine permease Mmp1p. (587 aa)
DIP5Dicarboxylic amino acid permease; mediates high-affinity and high-capacity transport of L-glutamate and L-aspartate; also a transporter for Gln, Asn, Ser, Ala, and Gly; relocalizes from plasma membrane to vacuole upon DNA replication stress. (608 aa)
PUT4Proline permease; required for high-affinity transport of proline; also transports the toxic proline analog azetidine-2-carboxylate (AzC); PUT4 transcription is repressed in ammonia-grown cells. (627 aa)
ORT1Ornithine transporter of the mitochondrial inner membrane; exports ornithine from mitochondria as part of arginine biosynthesis; functionally complemented by human ortholog, SLC25A15, which is associated with hyperammonaemia-hyperornithinaemia-homocitrullinuria (HHH) syndrome, but HHH-associated variants fail to complement. (292 aa)
YPQ1Putative vacuolar membrane transporter for cationic amino acids; likely contributes to amino acid homeostasis by exporting cationic amino acids from the vacuole; member of the PQ-loop family, with seven transmembrane domains; similar to mammalian PQLC2 vacuolar transporter; YPQ1 has a paralog, RTC2, that arose from the whole genome duplication; Belongs to the laat-1 family. (308 aa)
TAT2High affinity tryptophan and tyrosine permease; overexpression confers FK506 and FTY720 resistance. (592 aa)
ALP1Basic amino-acid permease; Arginine transporter; expression is normally very low and it is unclear what conditions would induce significant expression; ALP1 has a paralog, CAN1, that arose from the whole genome duplication; Belongs to the amino acid-polyamine-organocation (APC) superfamily. YAT (TC 2.A.3.10) family. (573 aa)
LYP1Lysine permease; one of three amino acid permeases (Alp1p, Can1p, Lyp1p) responsible for uptake of cationic amino acids. (611 aa)
AVT4Vacuolar transporter; exports large neutral amino acids from the vacuole; member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters; localizes to sites of contact between the vacuole and mitochondria (vCLAMPs). (713 aa)
AQR1Probable transporter AQR1; Plasma membrane transporter of the major facilitator superfamily; member of the 12-spanner drug:H(+) antiporter DHA1 family; confers resistance to short-chain monocarboxylic acids and quinidine; involved in the excretion of excess amino acids; AQR1 has a paralog, QDR1, that arose from the whole genome duplication; relocalizes from plasma membrane to cytoplasm upon DNA replication stress. (586 aa)
VBA1Permease of basic amino acids in the vacuolar membrane; Belongs to the major facilitator superfamily. (562 aa)
MMP1High-affinity S-methylmethionine permease; required for utilization of S-methylmethionine as a sulfur source; has similarity to S-adenosylmethionine permease Sam3p; Belongs to the amino acid-polyamine-organocation (APC) superfamily. YAT (TC 2.A.3.10) family. (583 aa)
YCT1High-affinity cysteine-specific transporter; has similarity to the Dal5p family of transporters; green fluorescent protein (GFP)-fusion protein localizes to the endoplasmic reticulum; YCT1 is not an essential gene; Belongs to the major facilitator superfamily. Allantoate permease family. (531 aa)
GAP1General amino acid permease; Gap1p senses the presence of amino acid substrates to regulate localization to the plasma membrane when needed; essential for invasive growth. (602 aa)
AVT3Vacuolar transporter; exports large neutral amino acids from the vacuole; member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters. (692 aa)
AVT1Vacuolar transporter; imports large neutral amino acids into the vacuole; member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters. (602 aa)
QDR2Quinidine resistance protein 2; Plasma membrane transporter of the major facilitator superfamily; member of the 12-spanner drug:H(+) antiporter DHA1 family; exports copper; has broad substrate specificity and can transport many mono- and divalent cations; transports a variety of drugs and is required for resistance to quinidine, barban, cisplatin, and bleomycin; contributes to potassium homeostasis; expression is regulated by copper. (542 aa)
AVT7Vacuolar amino acid transporter 7; Putative transporter; member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters. (490 aa)
MUP3Low affinity methionine permease; similar to Mup1p. (546 aa)
HIP1High-affinity histidine permease; also involved in the transport of manganese ions. (603 aa)
MUP1High affinity methionine permease; integral membrane protein with 13 putative membrane-spanning regions; also involved in cysteine uptake; To yeast low affinity methionine permease (MUP3). (574 aa)
AGP3Low-affinity amino acid permease; may act to supply the cell with amino acids as nitrogen source in nitrogen-poor conditions; transcription is induced under conditions of sulfur limitation; plays a role in regulating Ty1 transposition; Belongs to the amino acid-polyamine-organocation (APC) superfamily. YAT (TC 2.A.3.10) family. (558 aa)
AVT6Vacuolar amino acid transporter 6; Vacuolar aspartate and glutamate exporter; member of a family of seven genes (AVT1-7) related to vesicular GABA-glycine transporters; involved in compartmentalizing acidic amino acids in response to nitrogen starvation; AVT6 has a paralog, AVT5, that arose from the whole genome duplication. (448 aa)
AVT2Vacuolar amino acid transporter 2; Putative transporter; member of a family of seven S. cerevisiae genes (AVT1-7) related to vesicular GABA-glycine transporters; Belongs to the amino acid/polyamine transporter 2 family. (480 aa)
CAN1Plasma membrane arginine permease; requires phosphatidyl ethanolamine (PE) for localization, exclusively associated with lipid rafts; mutation confers canavanine resistance; CAN1 has a paralog, ALP1, that arose from the whole genome duplication. (590 aa)
GNP1High-affinity glutamine permease; also transports Leu, Ser, Thr, Cys, Met and Asn; expression is fully dependent on Grr1p and modulated by the Ssy1p-Ptr3p-Ssy5p (SPS) sensor of extracellular amino acids; GNP1 has a paralog, AGP1, that arose from the whole genome duplication. (663 aa)
YPQ2Putative vacuolar membrane transporter for cationic amino acids; likely contributes to amino acid homeostasis by exporting cationic amino acids from the vacuole; member of the PQ-loop family, with seven transmembrane domains; mutant phenotype is functionally complemented by rat PQLC2 vacuolar transporter; Belongs to the laat-1 family. (317 aa)
SSY1SPS-sensor component SSY1; Component of the SPS plasma membrane amino acid sensor system; senses external amino acid concentration and transmits intracellular signals that result in regulation of expression of amino acid permease genes; other members are Ssy1p, Ptr3p, and Ssy5p. (852 aa)
VBA4Protein of unknown function; proposed role as a basic amino acid permease based on phylogeny; GFP-fusion protein localizes to vacuolar membrane; physical interaction with Atg27p suggests a possible role in autophagy; non-essential gene; Belongs to the major facilitator superfamily. (768 aa)
BAP3Valine amino-acid permease; Amino acid permease; involved in uptake of cysteine, leucine, isoleucine and valine; BAP3 has a paralog, BAP2, that arose from the whole genome duplication; Belongs to the amino acid-polyamine-organocation (APC) superfamily. YAT (TC 2.A.3.10) family. (604 aa)
UGA4GABA (gamma-aminobutyrate) permease; serves as a GABA transport protein involved in the utilization of GABA as a nitrogen source; catalyzes the transport of putrescine and delta-aminolevulinic acid (ALA); localized to the vacuolar membrane; Belongs to the amino acid-polyamine-organocation (APC) superfamily. Amino acid/choline transporter (ACT) (TC 2.A.3.4) family. (571 aa)
HEM25Mitochondrial glycine transporter; required for the transport of glycine into mitochondria for initiation of heme biosynthesis, with YMC1 acting as a secondary transporter; homolog of human SLC25A38, a mitochondrial glycine transporter associated with nonsyndromic autosomal recessive congenital sideroblastic anemia; human SLC25A38 can complement the heme deficiency associated with the null mutant; GFP-fusion protein is induced in response to the DNA-damaging agent MMS. (307 aa)
Your Current Organism:
Saccharomyces cerevisiae
NCBI taxonomy Id: 4932
Other names: ATCC 18824, Candida robusta, Mycoderma cerevisiae, NRRL Y-12632, S. cerevisiae, Saccharomyces capensis, Saccharomyces italicus, Saccharomyces oviformis, Saccharomyces uvarum var. melibiosus, yeast
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