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2Q6G

Crystal structure of SARS-CoV main protease H41A mutant in complex with an N-terminal substrate

Functional Information from GO Data
ChainGOidnamespacecontents
A0008233molecular_functionpeptidase activity
A0019082biological_processviral protein processing
B0008233molecular_functionpeptidase activity
B0019082biological_processviral protein processing
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"For 3CL-PRO activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU00772","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsSite: {"description":"Cleavage; by 3CL-PRO","evidences":[{"source":"PubMed","id":"14561748","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 2bx4
ChainResidueDetails
ACYS145
AALA41

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 2bx4
ChainResidueDetails
BCYS145
BALA41

site_idMCSA1
Number of Residues
DetailsM-CSA 830
ChainResidueDetails
AALA41proton acceptor, proton donor
AGLY143electrostatic stabiliser
ACYS145electrostatic stabiliser

site_idMCSA2
Number of Residues
DetailsM-CSA 830
ChainResidueDetails
BALA41proton acceptor, proton donor
BGLY143electrostatic stabiliser
BCYS145electrostatic stabiliser

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PDB entries from 2025-12-24

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