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5JBL

Structure of the bacteriophage T4 capsid assembly protease, gp21.

Functional Information from GO Data
ChainGOidnamespacecontents
A0006508biological_processproteolysis
A0008233molecular_functionpeptidase activity
A0008236molecular_functionserine-type peptidase activity
A0016787molecular_functionhydrolase activity
A0046797biological_processviral procapsid maturation
B0006508biological_processproteolysis
B0008233molecular_functionpeptidase activity
B0008236molecular_functionserine-type peptidase activity
B0016787molecular_functionhydrolase activity
B0046797biological_processviral procapsid maturation
C0006508biological_processproteolysis
C0008233molecular_functionpeptidase activity
C0008236molecular_functionserine-type peptidase activity
C0016787molecular_functionhydrolase activity
C0046797biological_processviral procapsid maturation
D0006508biological_processproteolysis
D0008233molecular_functionpeptidase activity
D0008236molecular_functionserine-type peptidase activity
D0016787molecular_functionhydrolase activity
D0046797biological_processviral procapsid maturation
E0006508biological_processproteolysis
E0008233molecular_functionpeptidase activity
E0008236molecular_functionserine-type peptidase activity
E0016787molecular_functionhydrolase activity
E0046797biological_processviral procapsid maturation
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues95
DetailsRegion: {"description":"Homomultimerization","evidences":[{"source":"PubMed","id":"27667692","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues10
DetailsActive site: {"evidences":[{"source":"PubMed","id":"27667692","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues5
DetailsSite: {"description":"Cleavage; by autolysis","evidences":[{"source":"PubMed","id":"27667692","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

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PDB entries from 2026-01-14

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