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7T5F

Botulinum neurotoxin Type B Light Chain complexed with nanobodies JLJ-G3 and JNE-B10

Functional Information from GO Data
ChainGOidnamespacecontents
A0004222molecular_functionmetalloendopeptidase activity
A0006508biological_processproteolysis
A0008270molecular_functionzinc ion binding
D0004222molecular_functionmetalloendopeptidase activity
D0006508biological_processproteolysis
D0008270molecular_functionzinc ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue ZN A 501
ChainResidue
AHIS230
AHIS234
AGLU268
AHOH647

site_idAC2
Number of Residues1
Detailsbinding site for residue IOD A 503
ChainResidue
AARG42

site_idAC3
Number of Residues4
Detailsbinding site for residue ZN D 501
ChainResidue
DHIS230
DHIS234
DGLU268
DHOH637

site_idAC4
Number of Residues1
Detailsbinding site for residue IOD C 201
ChainResidue
CARG71

site_idAC5
Number of Residues1
Detailsbinding site for residue IOD B 201
ChainResidue
BGLY54

site_idAC6
Number of Residues3
Detailsbinding site for residue IOD E 201
ChainResidue
EASN53
EGLY54
EILE56

Functional Information from PROSITE/UniProt
site_idPS00142
Number of Residues10
DetailsZINC_PROTEASE Neutral zinc metallopeptidases, zinc-binding region signature. ILMHELIHVL
ChainResidueDetails
AILE227-LEU236

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU10095","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
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 Residues2
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_idMCSA1
Number of Residues5
DetailsM-CSA 626
ChainResidueDetails
AHIS230metal ligand
AGLU231proton acceptor, proton donor
AHIS234metal ligand
AGLU268metal ligand
AARG370electrostatic stabiliser

site_idMCSA2
Number of Residues5
DetailsM-CSA 626
ChainResidueDetails

244693

PDB entries from 2025-11-12

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