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4C2D

Crystal structure of the protease CtpB in an active state

Functional Information from GO Data
ChainGOidnamespacecontents
A0004175molecular_functionendopeptidase activity
A0004252molecular_functionserine-type endopeptidase activity
A0005515molecular_functionprotein binding
A0006508biological_processproteolysis
A0006518biological_processpeptide metabolic process
A0007165biological_processsignal transduction
A0008233molecular_functionpeptidase activity
A0008236molecular_functionserine-type peptidase activity
A0016787molecular_functionhydrolase activity
A0030288cellular_componentouter membrane-bounded periplasmic space
A0030435biological_processsporulation resulting in formation of a cellular spore
A0042277molecular_functionpeptide binding
A0042802molecular_functionidentical protein binding
A0042803molecular_functionprotein homodimerization activity
B0004175molecular_functionendopeptidase activity
B0004252molecular_functionserine-type endopeptidase activity
B0005515molecular_functionprotein binding
B0006508biological_processproteolysis
B0006518biological_processpeptide metabolic process
B0007165biological_processsignal transduction
B0008233molecular_functionpeptidase activity
B0008236molecular_functionserine-type peptidase activity
B0016787molecular_functionhydrolase activity
B0030288cellular_componentouter membrane-bounded periplasmic space
B0030435biological_processsporulation resulting in formation of a cellular spore
B0042277molecular_functionpeptide binding
B0042802molecular_functionidentical protein binding
B0042803molecular_functionprotein homodimerization activity
C0004175molecular_functionendopeptidase activity
C0004252molecular_functionserine-type endopeptidase activity
C0005515molecular_functionprotein binding
C0006508biological_processproteolysis
C0006518biological_processpeptide metabolic process
C0007165biological_processsignal transduction
C0008233molecular_functionpeptidase activity
C0008236molecular_functionserine-type peptidase activity
C0016787molecular_functionhydrolase activity
C0030288cellular_componentouter membrane-bounded periplasmic space
C0030435biological_processsporulation resulting in formation of a cellular spore
C0042277molecular_functionpeptide binding
C0042802molecular_functionidentical protein binding
C0042803molecular_functionprotein homodimerization activity
D0004175molecular_functionendopeptidase activity
D0004252molecular_functionserine-type endopeptidase activity
D0005515molecular_functionprotein binding
D0006508biological_processproteolysis
D0006518biological_processpeptide metabolic process
D0007165biological_processsignal transduction
D0008233molecular_functionpeptidase activity
D0008236molecular_functionserine-type peptidase activity
D0016787molecular_functionhydrolase activity
D0030288cellular_componentouter membrane-bounded periplasmic space
D0030435biological_processsporulation resulting in formation of a cellular spore
D0042277molecular_functionpeptide binding
D0042802molecular_functionidentical protein binding
D0042803molecular_functionprotein homodimerization activity
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues270
DetailsDomain: {"description":"PDZ","evidences":[{"source":"PROSITE-ProRule","id":"PRU00143","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues9
DetailsRegion: {"description":"Peptide binding","evidences":[{"source":"PubMed","id":"24243021","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PubMed","id":"24243021","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues8
DetailsActive site: {"description":"Charge relay system","evidences":[{"source":"PubMed","id":"24243021","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues3
DetailsSite: {"description":"Crucial for substrate binding and protease activation","evidences":[{"source":"PubMed","id":"24243021","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

242842

PDB entries from 2025-10-08

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