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1F82

BOTULINUM NEUROTOXIN TYPE B CATALYTIC DOMAIN

Functional Information from GO Data
ChainGOidnamespacecontents
A0004222molecular_functionmetalloendopeptidase activity
A0006508biological_processproteolysis
A0008270molecular_functionzinc ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 500
ChainResidue
AHIS229
AHIS233
AGLU267
AHOH833

Functional Information from PROSITE/UniProt
site_idPS00142
Number of Residues10
DetailsZINC_PROTEASE Neutral zinc metallopeptidases, zinc-binding region signature. ILMHELIHVL
ChainResidueDetails
AILE226-LEU235

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":"10932256","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1429690","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"1EPW","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1F31","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2NP0","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10932256","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1EPW","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1F31","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2NP0","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1i1e
ChainResidueDetails
ATYR372
AARG369
AGLU267

site_idMCSA1
Number of Residues5
DetailsM-CSA 626
ChainResidueDetails
AHIS229metal ligand
AGLU230proton acceptor, proton donor
AHIS233metal ligand
AGLU267metal ligand
AARG369electrostatic stabiliser

246031

PDB entries from 2025-12-10

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