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6G5G

Crystal structure of an engineered Botulinum Neurotoxin type B mutant E1191M/S1199Y in complex with human synaptotagmin 2

Functional Information from GO Data
ChainGOidnamespacecontents
A0004222molecular_functionmetalloendopeptidase activity
A0005515molecular_functionprotein binding
A0005576cellular_componentextracellular region
A0006508biological_processproteolysis
A0008233molecular_functionpeptidase activity
A0008237molecular_functionmetallopeptidase activity
A0008270molecular_functionzinc ion binding
A0008289molecular_functionlipid binding
A0008320molecular_functionprotein transmembrane transporter activity
A0016020cellular_componentmembrane
A0016787molecular_functionhydrolase activity
A0020002cellular_componenthost cell plasma membrane
A0030430cellular_componenthost cell cytoplasm
A0033644cellular_componenthost cell membrane
A0035821biological_processmodulation of process of another organism
A0044161cellular_componenthost cell cytoplasmic vesicle
A0044164cellular_componenthost cell cytosol
A0044221cellular_componenthost cell synapse
A0044231cellular_componenthost cell presynaptic membrane
A0046872molecular_functionmetal ion binding
A0071806biological_processprotein transmembrane transport
A0090729molecular_functiontoxin activity
B0004222molecular_functionmetalloendopeptidase activity
B0005515molecular_functionprotein binding
B0005576cellular_componentextracellular region
B0006508biological_processproteolysis
B0008233molecular_functionpeptidase activity
B0008237molecular_functionmetallopeptidase activity
B0008270molecular_functionzinc ion binding
B0008289molecular_functionlipid binding
B0008320molecular_functionprotein transmembrane transporter activity
B0016020cellular_componentmembrane
B0016787molecular_functionhydrolase activity
B0020002cellular_componenthost cell plasma membrane
B0030430cellular_componenthost cell cytoplasm
B0033644cellular_componenthost cell membrane
B0035821biological_processmodulation of process of another organism
B0044161cellular_componenthost cell cytoplasmic vesicle
B0044164cellular_componenthost cell cytosol
B0044221cellular_componenthost cell synapse
B0044231cellular_componenthost cell presynaptic membrane
B0046872molecular_functionmetal ion binding
B0071806biological_processprotein transmembrane transport
B0090729molecular_functiontoxin activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
Detailsbinding site for residue MG A 1301
ChainResidue
AASP285
AHOH1442
AHOH1454
AHOH1506
AHOH1533
BHOH1860

site_idAC2
Number of Residues2
Detailsbinding site for residue EDO A 1302
ChainResidue
ATHR30
BGLU1097

site_idAC3
Number of Residues5
Detailsbinding site for residue PEG B 1301
ChainResidue
BTYR1133
BGLU1266
BARG1269
BHOH1465
BHIS947

site_idAC4
Number of Residues6
Detailsbinding site for residue PEG B 1302
ChainResidue
BSER618
BSER781
BTYR856
BASN862
BHOH1553
BHOH1588

site_idAC5
Number of Residues5
Detailsbinding site for residue TRS B 1303
ChainResidue
BGLU534
BGLY631
BGLU653
BACT1304
BHOH1493

site_idAC6
Number of Residues4
Detailsbinding site for residue ACT B 1304
ChainResidue
BASN632
BLEU652
BTRS1303
BHOH1602

site_idAC7
Number of Residues5
Detailsbinding site for residue GOL B 1305
ChainResidue
BASP1138
BTYR1140
BGLU1291
BHOH1575
BHOH1702

site_idAC8
Number of Residues8
Detailsbinding site for residue GOL B 1306
ChainResidue
BASN1105
BLYS1126
BARG1242
BASP1255
BHOH1502
BHOH1590
BHOH1669
BHOH1854

site_idAC9
Number of Residues6
Detailsbinding site for residue GOL B 1307
ChainResidue
BTYR542
BTHR545
BPHE546
BPRO547
BALA562
BHOH1418

site_idAD1
Number of Residues8
Detailsbinding site for residue GOL B 1308
ChainResidue
BARG970
BGLU988
BARG1269
BPRO1271
BASN1273
BHOH1430
BHOH1491
BHOH1660

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

site_idSWS_FT_FI4
Number of Residues51
DetailsRegion: {"description":"Belt; not required for channel formation","evidences":[{"source":"PubMed","id":"10932256","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues221
DetailsRegion: {"description":"N-terminus of receptor binding domain (N-RBD)","evidences":[{"source":"UniProtKB","id":"P0DPI0","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues211
DetailsRegion: {"description":"C-terminus of receptor binding domain (C-RBD)","evidences":[{"source":"UniProtKB","id":"P0DPI0","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues3
DetailsMotif: {"description":"Host ganglioside-binding motif","evidences":[{"source":"PubMed","id":"10932256","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"14731268","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"17185412","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PDB","id":"4KBB","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10932256","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"14731268","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4KBB","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues5
DetailsM-CSA 626
ChainResidueDetails
AHIS230metal ligand
AGLN231proton acceptor, proton donor
ATYR234metal ligand
AGLU268metal ligand
AARG370electrostatic stabiliser

site_idMCSA2
Number of Residues
DetailsM-CSA 626
ChainResidueDetails

238895

PDB entries from 2025-07-16

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