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3Q8A

Crystal structure of WT Protective Antigen (pH 5.5)

Functional Information from GO Data
ChainGOidnamespacecontents
A0005515molecular_functionprotein binding
A0005576cellular_componentextracellular region
A0016020cellular_componentmembrane
A0020002cellular_componenthost cell plasma membrane
A0033644cellular_componenthost cell membrane
A0042802molecular_functionidentical protein binding
A0044164cellular_componenthost cell cytosol
A0044174cellular_componenthost cell endosome
A0044175cellular_componenthost cell endosome membrane
A0044533biological_processobsolete positive regulation of apoptotic process in another organism
A0046872molecular_functionmetal ion binding
A0051260biological_processprotein homooligomerization
A0090729molecular_functiontoxin activity
A0141070biological_processsymbiont-mediated suppression of host MAPK cascade
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 736
ChainResidue
AASP179
AASP181
AGLU188
ASER222
ALYS225
AASP235

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 737
ChainResidue
AILE183
AGLU188
APRO223
AASP177
AASP179
AASP181

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsRegion: {"description":"Alpha-clamp","evidences":[{"source":"PubMed","id":"21037566","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues107
DetailsRegion: {"description":"Domain 3, heptamerization","evidences":[{"source":"PubMed","id":"9039918","evidenceCode":"ECO:0000303"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15243628","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15326297","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21037566","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25778700","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32047164","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9039918","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1ACC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1T6B","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3J9C","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3KWV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6PSN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15243628","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15326297","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21037566","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25778700","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32047164","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9039918","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1ACC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1T6B","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3J9C","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3KWV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6PSN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15326297","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21037566","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25778700","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32047164","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1ACC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3J9C","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3KWV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6PSN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15243628","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15326297","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21037566","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25778700","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32047164","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1ACC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1T6B","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3J9C","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3KWV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6PSN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15243628","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15326297","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21037566","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32047164","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1ACC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1T6B","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1TZO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3KWV","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6PSN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZD","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6UZE","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues4
DetailsSite: {"description":"Alpha-clamp","evidences":[{"source":"PubMed","id":"21037566","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsSite: {"description":"Phi-clamp","evidences":[{"source":"PubMed","id":"16051798","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25778700","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues1
DetailsSite: {"description":"Essential for binding to cell receptor","evidences":[{"source":"PubMed","id":"12771151","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

238582

PDB entries from 2025-07-09

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