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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: Basic residue of the functional dyad, critical for activity => ECO:0000269|PubMed:10888198
ChainResidueDetails
ALYS30

site_idSWS_FT_FI2
Number of Residues1
DetailsSITE: Aromatic residue of the functional dyad => ECO:0000250
ChainResidueDetails
ATYR39

site_idSWS_FT_FI3
Number of Residues1
DetailsMOD_RES: Cysteine amide => ECO:0000269|PubMed:9792177
ChainResidueDetails
ACYS41

237735

PDB entries from 2025-06-18

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