##gff-version 3 P56746 UniProtKB Chain 1 228 . . . ID=PRO_0000144771;Note=Claudin-15 P56746 UniProtKB Topological domain 1 1 . . . Note=Cytoplasmic;Ontology_term=ECO:0000250;evidence=ECO:0000250 P56746 UniProtKB Transmembrane 2 24 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250 P56746 UniProtKB Topological domain 25 74 . . . Note=Extracellular;Ontology_term=ECO:0000250;evidence=ECO:0000250 P56746 UniProtKB Transmembrane 75 99 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250 P56746 UniProtKB Topological domain 100 115 . . . Note=Cytoplasmic;Ontology_term=ECO:0000250;evidence=ECO:0000250 P56746 UniProtKB Transmembrane 116 140 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250 P56746 UniProtKB Topological domain 141 159 . . . Note=Extracellular;Ontology_term=ECO:0000250;evidence=ECO:0000250 P56746 UniProtKB Transmembrane 160 182 . . . Note=Helical;Ontology_term=ECO:0000250;evidence=ECO:0000250 P56746 UniProtKB Topological domain 183 228 . . . Note=Cytoplasmic;Ontology_term=ECO:0000250;evidence=ECO:0000250 P56746 UniProtKB Region 146 147 . . . Note=Important for the formation of tight-junction strand-like structures;Ontology_term=ECO:0000250;evidence=ECO:0000250 P56746 UniProtKB Region 208 228 . . . Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-lite P56746 UniProtKB Site 55 55 . . . Note=Important for Na(+)-selective paracellular ion transport P56746 UniProtKB Site 64 64 . . . Note=Important for Na(+)-selective paracellular ion transport P56746 UniProtKB Site 68 68 . . . Note=Important for the formation of tight-junction strand-like structures;Ontology_term=ECO:0000250;evidence=ECO:0000250 P56746 UniProtKB Modified residue 111 111 . . . Note=Phosphoserine;Ontology_term=ECO:0007744;evidence=ECO:0007744|PubMed:19690332;Dbxref=PMID:19690332 P56746 UniProtKB Modified residue 211 211 . . . Note=Phosphoserine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:D3ZQJ0 P56746 UniProtKB Modified residue 218 218 . . . Note=Phosphoserine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q9Z0S5 P56746 UniProtKB Disulfide bond 52 62 . . . Ontology_term=ECO:0000250;evidence=ECO:0000250 P56746 UniProtKB Mutagenesis 46 46 . . . Note=No effect on charge selectivity for paracellular ion transport. E->K;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:12055082;Dbxref=PMID:12055082 P56746 UniProtKB Mutagenesis 55 55 . . . Note=Reverses the charge selectivity for paracellular ion transport%2C favoring Cl(-) transport. D->R;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:12055082;Dbxref=PMID:12055082 P56746 UniProtKB Mutagenesis 64 64 . . . Note=Impairs the charge selectivity for paracellular ion transport%2C favoring Cl(-) transport. E->K;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:12055082;Dbxref=PMID:12055082