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1WQD

An unusual fold for potassium channel blockers: NMR structure of three toxins from the scorpion Opisthacanthus madagascariensis

Functional Information from GO Data
ChainGOidnamespacecontents
A0005576cellular_componentextracellular region
A0015459molecular_functionpotassium channel regulator activity
A0035821biological_processmodulation of process of another organism
A0090729molecular_functiontoxin activity
A0099106molecular_functionion channel regulator activity
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues26
DetailsPeptide: {"description":"Potassium channel toxin kappa-KTx 2.2","featureId":"PRO_0000254058","evidences":[{"source":"PubMed","id":"15631621","evidenceCode":"ECO:0000303"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues25
DetailsPeptide: {"description":"Potassium channel toxin kappa-KTx 2.1","featureId":"PRO_0000254059","evidences":[{"source":"PubMed","id":"15631621","evidenceCode":"ECO:0000303"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues23
DetailsPeptide: {"description":"Potassium channel toxin kappa-KTx 2.4","featureId":"PRO_0000254060","evidences":[{"source":"PubMed","id":"15631621","evidenceCode":"ECO:0000303"}]}
ChainResidueDetails

250359

PDB entries from 2026-03-11

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