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2A8A

Crystal structure of Clostridium botulinum neurotoxin serotype F light chain

Functional Information from GO Data
ChainGOidnamespacecontents
A0004222molecular_functionmetalloendopeptidase activity
A0006508biological_processproteolysis
A0008270molecular_functionzinc ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN A 440
ChainResidue
AHIS227
AHIS231
AGLU266
AHOH523
AHOH541
AHOH551

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CD A 441
ChainResidue
AASP383
AASP383
AHOH605
AHOH605

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CD A 442
ChainResidue
AHIS122
AGLU246
AHOH494
AHOH608

site_idCDA
Number of Residues2
DetailsFIRST CADMIUM BINDING SITE
ChainResidue
AASP383
AHOH605

site_idCDB
Number of Residues3
DetailsSECOND CADMIUM BINDING SITE
ChainResidue
AHOH608
AHOH494
AGLU246

site_idZNB
Number of Residues6
DetailsZINC BINDING SITE
ChainResidue
AHIS227
AHIS231
AGLU266
AHOH523
AHOH541
AHOH551

Functional Information from PROSITE/UniProt
site_idPS00142
Number of Residues10
DetailsZINC_PROTEASE Neutral zinc metallopeptidases, zinc-binding region signature. SLAHELIHAL
ChainResidueDetails
ASER224-LEU233

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":"16128577","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2A8A","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2A97","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"16128577","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2A8A","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2A97","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1i1e
ChainResidueDetails
ATYR368
AGLU266
AARG365

239803

PDB entries from 2025-08-06

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