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1BGK

SEA ANEMONE TOXIN (BGK) WITH HIGH AFFINITY FOR VOLTAGE DEPENDENT POTASSIUM CHANNEL, NMR, 15 STRUCTURES

Functional Information from GO Data
ChainGOidnamespacecontents
A0005576cellular_componentextracellular region
A0015459molecular_functionpotassium channel regulator activity
A0035821biological_processmodulation of process of another organism
A0042151cellular_componentnematocyst
A0090729molecular_functiontoxin activity
A0099106molecular_functionion channel regulator activity
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues36
DetailsPeptide: {"description":"Kappa-actitoxin-Bgr1a","featureId":"PRO_0000044864","evidences":[{"source":"PubMed","id":"8098956","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues35
DetailsDomain: {"description":"ShKT","evidences":[{"source":"PROSITE-ProRule","id":"PRU01005","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsRegion: {"description":"Crucial for binding to potassium channels","evidences":[{"source":"PubMed","id":"10585444","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9020148","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsSite: {"description":"Key residue for binding Kv1.2 and Kv1.3","evidences":[{"source":"PubMed","id":"10585444","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"9020148","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsSite: {"description":"Key residue for binding Kv1.3","evidences":[{"source":"PubMed","id":"10585444","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsSite: {"description":"Important for binding Kv1.2","evidences":[{"source":"PubMed","id":"10585444","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsSite: {"description":"Important for binding Kv1.2 and Kv1.3","evidences":[{"source":"PubMed","id":"10585444","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"9020148","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues3
DetailsSite: {"description":"Important for binding Kv1.3","evidences":[{"source":"PubMed","id":"10585444","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsSite: {"description":"Key residue for binding Kv1.1 and Kv1.3","evidences":[{"source":"PubMed","id":"10585444","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues2
DetailsSite: {"description":"Key residue for binding Kv1.1, Kv1.2 and Kv1.3","evidences":[{"source":"PubMed","id":"10585444","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"9020148","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues1
DetailsSite: {"description":"Important for binding Kv1.1 and key residue for binding Kv1.3","evidences":[{"source":"PubMed","id":"10585444","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues1
DetailsSite: {"description":"Important for binding Kv1.1, Kv1.2 and key residue for binding Kv1.3","evidences":[{"source":"PubMed","id":"10585444","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"9020148","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

247947

PDB entries from 2026-01-21

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