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3NEQ

Crystal structure of the chimeric muscarinic toxin MT7 with loop 3 from MT1

Functional Information from GO Data
ChainGOidnamespacecontents
A0005576cellular_componentextracellular region
A0090729molecular_functiontoxin activity
B0005576cellular_componentextracellular region
B0090729molecular_functiontoxin activity
Functional Information from PDB Data
site_idAC1
Number of Residues12
DetailsBINDING SITE FOR RESIDUE SO4 A 102
ChainResidue
AVAL52
BHOH179
BHOH198
BHOH218
AARG53
AHOH89
AHOH110
AHOH183
AHOH239
AHOH252
AHOH258
BARG53

site_idAC2
Number of Residues10
DetailsBINDING SITE FOR RESIDUE SO4 A 104
ChainResidue
ASER14
ATHR50
ALYS63
AHOH68
AHOH122
AHOH160
AHOH167
AHOH215
AHOH223
BLYS48

site_idAC3
Number of Residues11
DetailsBINDING SITE FOR RESIDUE SO4 B 101
ChainResidue
BASN7
BSER8
BTYR36
BPHE38
BTHR39
BHOH73
BHOH79
BHOH89
BHOH115
BHOH163
BHOH231

site_idAC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 B 103
ChainResidue
ATRP10
AHOH139
AHOH163
BLYS26
BARG57
BHOH275
BHOH289
BHOH300

Functional Information from PROSITE/UniProt
site_idPS00272
Number of Residues22
DetailsSNAKE_TOXIN Snake toxins signature. GCaatCPkptnvretirCCgtD
ChainResidueDetails
AGLY41-ASP62

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues28
DetailsRegion: {"description":"Finger loop 1","evidences":[{"source":"PubMed","id":"32646996","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues38
DetailsRegion: {"description":"Finger loop 2","evidences":[{"source":"PubMed","id":"32646996","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

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PDB entries from 2026-04-01

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