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4EL4

Crystal structure of the catalytic domain of botulinum neurotoxin BoNT/A C134S/C165S double mutant

Functional Information from GO Data
ChainGOidnamespacecontents
A0004222molecular_functionmetalloendopeptidase activity
A0006508biological_processproteolysis
A0008270molecular_functionzinc ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ZN A 501
ChainResidue
AHIS223
AHIS227
AGLU262
AHOH640
AHOH816

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 502
ChainResidue
AHOH940
AHOH1158
AGLU198
ASER199
ALEU200
AHOH766

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE IMD A 503
ChainResidue
AARG363
ATYR366
AASN368
AASP370

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE IMD A 504
ChainResidue
AILE237
AASN238
AARG241
APHE282
ATYR286

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EDO A 505
ChainResidue
ALYS375
AILE376
AASN377
AASN412
APHE413
ATHR414
AHOH678

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 506
ChainResidue
ALYS415
AASN418
AHOH709
AHOH870
AHOH1020
AHOH1126

Functional Information from PROSITE/UniProt
site_idPS00142
Number of Residues10
DetailsZINC_PROTEASE Neutral zinc metallopeptidases, zinc-binding region signature. TLAHELIHAG
ChainResidueDetails
ATHR220-GLY229

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU10095","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU10095","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"17173035","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9783750","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"2NYY","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2NZ9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3BTA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3QIX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3QIY","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3QIZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3QJ0","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU10095","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"17173035","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2NYY","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2NZ9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3BTA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3QIX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3QIY","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3QIZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3QJ0","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

244693

PDB entries from 2025-11-12

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