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3BOK

Structure of the C. botulinum neurotoxin serotype A apo-enzyme

Functional Information from GO Data
ChainGOidnamespacecontents
A0004222molecular_functionmetalloendopeptidase activity
A0006508biological_processproteolysis
A0008270molecular_functionzinc ion binding
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

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1i1e
ChainResidueDetails
AGLU262
ATYR366
AARG363

238895

PDB entries from 2025-07-16

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