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4KYP

Beta-Scorpion Toxin folded in the periplasm of E.coli

Functional Information from GO Data
ChainGOidnamespacecontents
A0005576cellular_componentextracellular region
A0008200molecular_functionion channel inhibitor activity
A0017080molecular_functionsodium channel regulator activity
A0019871molecular_functionsodium channel inhibitor activity
A0035821biological_processmodulation of process of another organism
A0090729molecular_functiontoxin activity
A0099106molecular_functionion channel regulator activity
B0005576cellular_componentextracellular region
B0008200molecular_functionion channel inhibitor activity
B0017080molecular_functionsodium channel regulator activity
B0019871molecular_functionsodium channel inhibitor activity
B0035821biological_processmodulation of process of another organism
B0090729molecular_functiontoxin activity
B0099106molecular_functionion channel regulator activity
C0005576cellular_componentextracellular region
C0008200molecular_functionion channel inhibitor activity
C0017080molecular_functionsodium channel regulator activity
C0019871molecular_functionsodium channel inhibitor activity
C0035821biological_processmodulation of process of another organism
C0090729molecular_functiontoxin activity
C0099106molecular_functionion channel regulator activity
D0005576cellular_componentextracellular region
D0008200molecular_functionion channel inhibitor activity
D0017080molecular_functionsodium channel regulator activity
D0019871molecular_functionsodium channel inhibitor activity
D0035821biological_processmodulation of process of another organism
D0090729molecular_functiontoxin activity
D0099106molecular_functionion channel regulator activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE PGE A 101
ChainResidue
ATYR5
ATYR5
ATRP44
ATRP44
ALYS62
AHOH281

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PGE C 101
ChainResidue
CTYR5
CTRP44
CLYS62

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE PG4 D 101
ChainResidue
BTYR5
BTRP44
BLYS62
BTHR65
BHOH139
DTYR5
DTRP44

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues272
DetailsDomain: {"description":"LCN-type CS-alpha/beta","evidences":[{"source":"PROSITE-ProRule","id":"PRU01210","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsSite: {"description":"May be involved in voltage sensor trapping upon activation of sodium channel"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsSite: {"description":"May interact with a positively charged residue of the receptor site"}
ChainResidueDetails

249697

PDB entries from 2026-02-25

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