##gff-version 3 P01876 UniProtKB Chain 1 398 . . . ID=PRO_0000153566;Note=Immunoglobulin heavy constant alpha 1 P01876 UniProtKB Topological domain 1 364 . . . Note=Extracellular;Ontology_term=ECO:0000305;evidence=ECO:0000305 P01876 UniProtKB Transmembrane 365 383 . . . Note=Helical;Ontology_term=ECO:0000255;evidence=ECO:0000255 P01876 UniProtKB Topological domain 384 398 . . . Note=Cytoplasmic;Ontology_term=ECO:0000305;evidence=ECO:0000305 P01876 UniProtKB Domain 6 98 . . . Note=Ig-like 1;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00114 P01876 UniProtKB Domain 125 220 . . . Note=Ig-like 2;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00114 P01876 UniProtKB Domain 228 330 . . . Note=Ig-like 3;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00114 P01876 UniProtKB Region 96 122 . . . Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-lite P01876 UniProtKB Compositional bias 100 122 . . . Note=Pro residues;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-lite P01876 UniProtKB Glycosylation 105 105 . . . Note=O-linked (GalNAc...) serine;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:4373463;Dbxref=PMID:4373463 P01876 UniProtKB Glycosylation 106 106 . . . Note=O-linked (GalNAc...) threonine;Ontology_term=ECO:0000269,ECO:0000269;evidence=ECO:0000269|PubMed:20823119,ECO:0000269|PubMed:31959827;Dbxref=PMID:20823119,PMID:31959827 P01876 UniProtKB Glycosylation 109 109 . . . Note=O-linked (GalNAc...) threonine;Ontology_term=ECO:0000269,ECO:0000269;evidence=ECO:0000269|PubMed:20823119,ECO:0000269|PubMed:31959827;Dbxref=PMID:20823119,PMID:31959827 P01876 UniProtKB Glycosylation 111 111 . . . Note=O-linked (GalNAc...) serine;Ontology_term=ECO:0000269,ECO:0000269,ECO:0000269;evidence=ECO:0000269|PubMed:20823119,ECO:0000269|PubMed:31959827,ECO:0000269|PubMed:4373463;Dbxref=PMID:20823119,PMID:31959827,PMID:4373463 P01876 UniProtKB Glycosylation 113 113 . . . Note=O-linked (GalNAc...) serine;Ontology_term=ECO:0000269,ECO:0000269,ECO:0000269;evidence=ECO:0000269|PubMed:20823119,ECO:0000269|PubMed:31959827,ECO:0000269|PubMed:4373463;Dbxref=PMID:20823119,PMID:31959827,PMID:4373463 P01876 UniProtKB Glycosylation 114 114 . . . Note=O-linked (GalNAc...) threonine;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:31959827;Dbxref=PMID:31959827 P01876 UniProtKB Glycosylation 117 117 . . . Note=O-linked (GalNAc...) threonine;Ontology_term=ECO:0000269,ECO:0000269;evidence=ECO:0000269|PubMed:20823119,ECO:0000269|PubMed:31959827;Dbxref=PMID:20823119,PMID:31959827 P01876 UniProtKB Glycosylation 119 119 . . . Note=O-linked (GalNAc...) serine;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:4373463;Dbxref=PMID:4373463 P01876 UniProtKB Glycosylation 121 121 . . . Note=O-linked (GalNAc...) serine;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:4373463;Dbxref=PMID:4373463 P01876 UniProtKB Glycosylation 144 144 . . . Note=N-linked (GlcNAc...) (complex) asparagine;Ontology_term=ECO:0000269,ECO:0000269,ECO:0000269,ECO:0000269;evidence=ECO:0000269|PubMed:15084671,ECO:0000269|PubMed:19139490,ECO:0000269|PubMed:19838169,ECO:0000269|PubMed:22171320;Dbxref=PMID:15084671,PMID:19139490,PMID:19838169,PMID:22171320 P01876 UniProtKB Disulfide bond 14 14 . . . Note=Interchain (with light chain);Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:393607;Dbxref=PMID:393607 P01876 UniProtKB Disulfide bond 26 85 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00114 P01876 UniProtKB Disulfide bond 77 101 . . . . P01876 UniProtKB Disulfide bond 122 122 . . . Note=Interchain (with heavy chain);Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:393607;Dbxref=PMID:393607 P01876 UniProtKB Disulfide bond 123 180 . . . Note=Or C-123 with C-182;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:393607;Dbxref=PMID:393607 P01876 UniProtKB Disulfide bond 147 204 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00114 P01876 UniProtKB Disulfide bond 182 182 . . . Note=Interchain (with heavy chain) (or with C-180);Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:393607;Dbxref=PMID:393607 P01876 UniProtKB Disulfide bond 192 192 . . . Note=Interchain (with heavy chain of another subunit) (or with C-503 of PIGR/the secretory component);Ontology_term=ECO:0000269,ECO:0000269;evidence=ECO:0000269|PubMed:32029686,ECO:0000269|PubMed:393607;Dbxref=PMID:32029686,PMID:393607 P01876 UniProtKB Disulfide bond 250 313 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00114 P01876 UniProtKB Alternative sequence 334 353 . . . ID=VSP_061831;Note=In isoform 1. DWQMPPPYVVLDLPQETLEE->GKPTHVNVSVVMAEVDGTCY P01876 UniProtKB Alternative sequence 354 398 . . . ID=VSP_061832;Note=In isoform 1. Missing P01876 UniProtKB Natural variant 176 176 . . . ID=VAR_014602;Note=E->D;Dbxref=dbSNP:rs1407 P01876 UniProtKB Sequence conflict 163 165 . . . Note=TPS->PST;Ontology_term=ECO:0000305;evidence=ECO:0000305 P01876 UniProtKB Sequence conflict 176 176 . . . Note=E->B;Ontology_term=ECO:0000305;evidence=ECO:0000305 P01876 UniProtKB Sequence conflict 190 190 . . . Note=P->S;Ontology_term=ECO:0000305;evidence=ECO:0000305 P01876 UniProtKB Sequence conflict 227 227 . . . Note=R->H;Ontology_term=ECO:0000305;evidence=ECO:0000305 P01876 UniProtKB Sequence conflict 231 231 . . . Note=H->R;Ontology_term=ECO:0000305;evidence=ECO:0000305 P01876 UniProtKB Sequence conflict 290 290 . . . Note=T->E;Ontology_term=ECO:0000305;evidence=ECO:0000305 P01876 UniProtKB Non-terminal residue 1 1 . . . . P01876 UniProtKB Beta strand 126 129 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Helix 134 138 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 146 150 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 162 164 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:1OW0 P01876 UniProtKB Beta strand 166 168 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6LXW P01876 UniProtKB Turn 179 181 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 185 188 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:1OW0 P01876 UniProtKB Turn 190 192 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:1OW0 P01876 UniProtKB Helix 193 198 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 202 205 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 209 212 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 216 219 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 229 233 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Turn 237 239 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6LX3 P01876 UniProtKB Turn 240 243 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 246 258 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 261 266 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Helix 273 275 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 276 278 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 287 289 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 292 300 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Helix 302 307 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 311 316 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 318 320 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 325 329 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 340 343 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Beta strand 344 346 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6LX3 P01876 UniProtKB Beta strand 348 350 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6UE7 P01876 UniProtKB Binding site 352 352 . . . Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:7506257;Dbxref=PMID:7506257 P01876 UniProtKB Glycosylation 340 340 . . . Note=N-linked (GlcNAc...) (complex) asparagine;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:19139490;Dbxref=PMID:19139490 P01876 UniProtKB Disulfide bond 352 352 . . . Note=Interchain (with J chain)%3B in oligomeric form;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:393607;Dbxref=PMID:393607