##gff-version 3 P48167 UniProtKB Signal peptide 1 22 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P48167 UniProtKB Chain 23 497 . . . ID=PRO_0000000423;Note=Glycine receptor subunit beta P48167 UniProtKB Topological domain 23 268 . . . Note=Extracellular;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P23415 P48167 UniProtKB Transmembrane 269 290 . . . Note=Helical%3B Name%3D1;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P23415 P48167 UniProtKB Topological domain 291 295 . . . Note=Cytoplasmic;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P23415 P48167 UniProtKB Transmembrane 296 316 . . . Note=Helical%3B Name%3D2;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P23415 P48167 UniProtKB Topological domain 317 327 . . . Note=Extracellular;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P23415 P48167 UniProtKB Transmembrane 328 348 . . . Note=Helical%3B Name%3D3;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P23415 P48167 UniProtKB Topological domain 349 475 . . . Note=Cytoplasmic;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P23415 P48167 UniProtKB Transmembrane 476 496 . . . Note=Helical%3B Name%3D4;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P23415 P48167 UniProtKB Binding site 247 253 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:O93430 P48167 UniProtKB Site 307 307 . . . Note=Important for obstruction of the ion pore in the closed conformation;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P23415 P48167 UniProtKB Modified residue 391 391 . . . Note=Phosphothreonine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P20781 P48167 UniProtKB Glycosylation 54 54 . . . Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:34473954;Dbxref=PMID:34473954 P48167 UniProtKB Glycosylation 242 242 . . . Note=N-linked (GlcNAc...) asparagine;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:34473954;Dbxref=PMID:34473954 P48167 UniProtKB Disulfide bond 183 197 . . . Ontology_term=ECO:0000269,ECO:0007744,ECO:0007744,ECO:0007744,ECO:0007744;evidence=ECO:0000269|PubMed:34473954,ECO:0007744|PDB:5BKF,ECO:0007744|PDB:5BKG,ECO:0007744|PDB:7KUY,ECO:0007744|PDB:7L31;Dbxref=PMID:34473954 P48167 UniProtKB Disulfide bond 243 255 . . . Ontology_term=ECO:0000269,ECO:0007744,ECO:0007744,ECO:0007744,ECO:0007744;evidence=ECO:0000269|PubMed:34473954,ECO:0007744|PDB:5BKF,ECO:0007744|PDB:5BKG,ECO:0007744|PDB:7KUY,ECO:0007744|PDB:7L31;Dbxref=PMID:34473954 P48167 UniProtKB Alternative sequence 303 303 . . . ID=VSP_045466;Note=In isoform 2. I->W;Ontology_term=ECO:0000303;evidence=ECO:0000303|PubMed:15028279;Dbxref=PMID:15028279 P48167 UniProtKB Alternative sequence 304 497 . . . ID=VSP_045467;Note=In isoform 2. Missing;Ontology_term=ECO:0000303;evidence=ECO:0000303|PubMed:15028279;Dbxref=PMID:15028279 P48167 UniProtKB Natural variant 199 199 . . . ID=VAR_068246;Note=In HKPX2%3B heteropentameric channel complexes with GLRA1 require much higher glycine levels for channel activation%3B no effect on expression at the cell membrane. M->R;Ontology_term=ECO:0000269,ECO:0000269;evidence=ECO:0000269|PubMed:21391991,ECO:0000269|PubMed:23238346;Dbxref=dbSNP:rs398122856,PMID:21391991,PMID:23238346 P48167 UniProtKB Natural variant 251 251 . . . ID=VAR_035070;Note=In HKPX2%3B heteropentameric channel complexes with GLRA1 require much higher glycine levels for channel activation. G->D;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:11929858;Dbxref=dbSNP:rs121909749,PMID:11929858 P48167 UniProtKB Natural variant 307 307 . . . ID=VAR_075502;Note=In HKPX2%3B heteropentameric channel complexes with GLRA1 have reduced expression at the cell membrane and display spontaneous channel opening in the absence of extracellular glycine. L->R;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:23238346;Dbxref=PMID:23238346 P48167 UniProtKB Natural variant 332 332 . . . ID=VAR_075503;Note=In HKPX2%3B heteropentameric channel complexes with GLRA1 have reduced expression at the cell membrane and reduced channel activity. W->C;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:23238346;Dbxref=PMID:23238346 P48167 UniProtKB Natural variant 477 477 . . . ID=VAR_088405;Note=In HKPX2%3B reduced GLRB protein levels%3B reduced glycine sensitivity%3B reduced channel activity%3B does not affect chloride selectivity of the receptor ionophore. A->P;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:35526563;Dbxref=PMID:35526563 P48167 UniProtKB Mutagenesis 54 54 . . . Note=Prevents proper assembly of the GLRA2/GLRB heteropentamer receptor. N->A;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:34473954;Dbxref=PMID:34473954 P48167 UniProtKB Mutagenesis 242 242 . . . Note=Loss of glycosylation. Prevents proper assembly of the GLRA2/GLRB heteropentamer receptor. N->A;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:34473954;Dbxref=PMID:34473954