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1WT7

Solution structure of BuTX-MTX: a butantoxin-maurotoxin chimera

Functional Information from GO Data
ChainGOidnamespacecontents
A0005576cellular_componentextracellular region
A0008200molecular_functionion channel inhibitor activity
A0015459molecular_functionpotassium channel regulator activity
A0035821biological_processmodulation of process of another organism
A0090729molecular_functiontoxin activity
A0099106molecular_functionion channel regulator activity
Functional Information from PROSITE/UniProt
site_idPS01138
Number of Residues23
DetailsSCORP_SHORT_TOXIN Scorpion short toxins signature. CyapCrkqtgcpn.AKCInksCkC
ChainResidueDetails
ACYS16-CYS38

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsSite: {"description":"Basic residue of the functional dyad, critical for activity","evidences":[{"source":"PubMed","id":"10888198","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsSite: {"description":"Aromatic residue of the functional dyad","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues33
DetailsPeptide: {"description":"Potassium channel toxin alpha-KTx 6.2","featureId":"PRO_0000044929"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Cysteine amide","evidences":[{"source":"PubMed","id":"9792177","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

242500

PDB entries from 2025-10-01

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