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InterPro-Version: 108.0
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{
"metadata": {
"accession": "Q8NFU1",
"id": "BEST2_HUMAN",
"source_organism": {
"taxId": "9606",
"scientificName": "Homo sapiens",
"fullName": "Homo sapiens (Human)"
},
"name": "Bestrophin-2a",
"description": [
"Ligand-gated anion channel that allows the movement of anions across cell membranes when activated by calcium (Ca2+) (PubMed:11904445, PubMed:18400985, PubMed:32251414, PubMed:35789156, PubMed:36289327). Transports a large specter of anions, namely mediates the movement of chloride, L-glutamate and iodide (PubMed:11904445, PubMed:18400985, PubMed:32251414, PubMed:35789156, PubMed:36289327). Calcium-binding triggers the dilation of the aperture, but calcium-dependent gating is only effective when the size of the passing anion is bigger than the closed aperture (By similarity). Mediates the calcium-activated hydrogencarbonate movement and participates in colonic hydrogencarbonate secretion concomitant with mucin secretion (By similarity). In non-pigmented epithelium (NPE), mediates the efflux of intracellular L-glutamate; binding of intracellular L-glutamate activates and open both the neck and the aperture of the channel, leading to L-glutamate exit promoting chloride influx movement from the extracellular side in trans (PubMed:36289327). Also exhibits a directional permeability for intracellular glutamine, in a similar manner as for L-glutamate (PubMed:36289327)"
],
"length": 509,
"sequence": "MTVTYTARVANARFGGFSQLLLLWRGSIYKLLWRELLCFLGFYMALSAAYRFVLTEGQKRYFEKLVIYCDQYASLIPVSFVLGFYVTLVVNRWWSQYLCMPLPDALMCVVAGTVHGRDDRGRLYRRTLMRYAGLSAVLILRSVSTAVFKRFPTIDHVVEAGFMTREERKKFENLNSSYNKYWVPCVWFSNLAAQARREGRIRDNSALKLLLEELNVFRGKCGMLFHYDWISVPLVYTQVVTIALYSYFLACLIGRQFLDPAQGYKDHDLDLCVPIFTLLQFFFYAGWLKVAEQLINPFGEDDDDFETNFLIDRNFQVSMLAVDEMYDDLAVLEKDLYWDAAEARAPYTAATVFQLRQPSFQGSTFDITLAKEDMQFQRLDGLDGPMGEAPGDFLQRLLPAGAGMVAGGPLGRRLSFLLRKNSCVSEASTGASCSCAVVPEGAAPECSCGDPLLDPGLPEPEAPPPAGPEPLTLIPGPVEPFSIVTMPGPRGPAPPWLPSPIGEEEENLA",
"proteome": "UP000005640",
"gene": "BEST2",
"go_terms": [
{
"identifier": "GO:0005254",
"name": "chloride channel activity",
"category": {
"code": "F",
"name": "molecular_function"
}
}
],
"protein_evidence": 1,
"source_database": "reviewed",
"is_fragment": false,
"in_alphafold": true,
"in_bfvd": false,
"ida_accession": "db487642f0c97325aedfc0ede79cac13e1137518",
"counters": {
"domain_architectures": 8424,
"entries": 4,
"isoforms": 0,
"proteomes": 1,
"sets": 1,
"structures": 10,
"taxa": 1,
"dbEntries": {
"pfam": 1,
"panther": 1,
"interpro": 2
},
"proteome": 1,
"taxonomy": 1,
"similar_proteins": 8424
}
}
}