##gff-version 3 Q9WVR6 UniProtKB Chain 1 533 . . . ID=PRO_0000054275;Note=Large neutral amino acids transporter small subunit 2 Q9WVR6 UniProtKB Topological domain 1 45 . . . Note=Cytoplasmic;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WVR6 UniProtKB Transmembrane 46 66 . . . Note=Helical%3B Name%3D1;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Topological domain 67 74 . . . Note=Extracellular;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WVR6 UniProtKB Transmembrane 75 96 . . . Note=Helical%3B Name%3D2;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Topological domain 97 117 . . . Note=Cytoplasmic;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WVR6 UniProtKB Transmembrane 118 150 . . . Note=Helical%3B Name%3D3;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Topological domain 151 158 . . . Note=Extracellular;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WVR6 UniProtKB Transmembrane 159 179 . . . Note=Helical%3B Name%3D4;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Topological domain 180 182 . . . Note=Cytoplasmic;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WVR6 UniProtKB Transmembrane 183 211 . . . Note=Helical%3B Name%3D5;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Topological domain 212 231 . . . Note=Extracellular;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WVR6 UniProtKB Transmembrane 232 253 . . . Note=Helical%3B Name%3D6;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Topological domain 254 266 . . . Note=Cytoplasmic;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WVR6 UniProtKB Transmembrane 267 288 . . . Note=Helical%3B Name%3D7;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Topological domain 289 313 . . . Note=Extracellular;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WVR6 UniProtKB Transmembrane 314 339 . . . Note=Helical%3B Name%3D8;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Topological domain 340 365 . . . Note=Cytoplasmic;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WVR6 UniProtKB Transmembrane 366 383 . . . Note=Helical%3B Name%3D9;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Topological domain 384 387 . . . Note=Extracellular;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WVR6 UniProtKB Transmembrane 388 409 . . . Note=Helical%3B Name%3D10;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Topological domain 410 424 . . . Note=Cytoplasmic;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WVR6 UniProtKB Transmembrane 425 447 . . . Note=Helical%3B Name%3D11;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Transmembrane 448 467 . . . Note=Helical%3B Name%3D12;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Topological domain 468 533 . . . Note=Cytoplasmic;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WVR6 UniProtKB Region 1 33 . . . Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-lite Q9WVR6 UniProtKB Region 500 533 . . . Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-lite Q9WVR6 UniProtKB Compositional bias 1 22 . . . Note=Basic and acidic residues;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-lite Q9WVR6 UniProtKB Binding site 54 54 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Binding site 135 135 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Binding site 247 247 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Binding site 396 396 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Site 135 135 . . . Note=Important for substrate specificity;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Site 247 247 . . . Note=Important for substrate specificity;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5 Q9WVR6 UniProtKB Modified residue 20 20 . . . Note=Phosphoserine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9QXW9 Q9WVR6 UniProtKB Modified residue 23 23 . . . Note=Phosphoserine;Ontology_term=ECO:0007744;evidence=ECO:0007744|PubMed:22673903;Dbxref=PMID:22673903 Q9WVR6 UniProtKB Modified residue 29 29 . . . Note=Phosphoserine;Ontology_term=ECO:0007744;evidence=ECO:0007744|PubMed:22673903;Dbxref=PMID:22673903 Q9WVR6 UniProtKB Modified residue 30 30 . . . Note=Phosphoserine;Ontology_term=ECO:0007744;evidence=ECO:0007744|PubMed:22673903;Dbxref=PMID:22673903 Q9WVR6 UniProtKB Modified residue 529 529 . . . Note=Phosphoserine;Ontology_term=ECO:0007744;evidence=ECO:0007744|PubMed:22673903;Dbxref=PMID:22673903 Q9WVR6 UniProtKB Disulfide bond 155 155 . . . Note=Interchain (with C-103 in SLC3A2);Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UHI5