##gff-version 3 Q9WTR6 UniProtKB Chain 1 502 . . . ID=PRO_0000054280;Note=Cystine/glutamate transporter Q9WTR6 UniProtKB Topological domain 1 43 . . . Note=Cytoplasmic;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WTR6 UniProtKB Transmembrane 44 64 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UPY5 Q9WTR6 UniProtKB Topological domain 65 74 . . . Note=Extracellular;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WTR6 UniProtKB Transmembrane 75 95 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UPY5 Q9WTR6 UniProtKB Topological domain 96 101 . . . Note=Cytoplasmic;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WTR6 UniProtKB Intramembrane 102 116 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UPY5 Q9WTR6 UniProtKB Topological domain 117 130 . . . Note=Cytoplasmic;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WTR6 UniProtKB Transmembrane 131 150 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UPY5 Q9WTR6 UniProtKB Topological domain 151 163 . . . Note=Extracellular;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WTR6 UniProtKB Transmembrane 164 179 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UPY5 Q9WTR6 UniProtKB Topological domain 180 193 . . . Note=Cytoplasmic;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WTR6 UniProtKB Transmembrane 194 210 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UPY5 Q9WTR6 UniProtKB Topological domain 211 234 . . . Note=Extracellular;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WTR6 UniProtKB Transmembrane 235 255 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UPY5 Q9WTR6 UniProtKB Topological domain 256 265 . . . Note=Cytoplasmic;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WTR6 UniProtKB Transmembrane 266 286 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UPY5 Q9WTR6 UniProtKB Topological domain 287 317 . . . Note=Extracellular;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WTR6 UniProtKB Transmembrane 318 338 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UPY5 Q9WTR6 UniProtKB Topological domain 339 364 . . . Note=Cytoplasmic;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WTR6 UniProtKB Transmembrane 365 385 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UPY5 Q9WTR6 UniProtKB Topological domain 386 387 . . . Note=Extracellular;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WTR6 UniProtKB Transmembrane 388 408 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UPY5 Q9WTR6 UniProtKB Topological domain 409 422 . . . Note=Cytoplasmic;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WTR6 UniProtKB Transmembrane 423 443 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UPY5 Q9WTR6 UniProtKB Topological domain 444 449 . . . Note=Extracellular;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WTR6 UniProtKB Transmembrane 450 470 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UPY5 Q9WTR6 UniProtKB Topological domain 471 502 . . . Note=Cytoplasmic;Ontology_term=ECO:0000305;evidence=ECO:0000305 Q9WTR6 UniProtKB Binding site 135 135 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UPY5 Q9WTR6 UniProtKB Binding site 244 244 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UPY5 Q9WTR6 UniProtKB Modified residue 26 26 . . . Note=Phosphoserine;Ontology_term=ECO:0007744;evidence=ECO:0007744|PubMed:19144319;Dbxref=PMID:19144319 Q9WTR6 UniProtKB Disulfide bond 158 158 . . . Note=Interchain (with C-103 in SLC3A2);Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9UPY5