Loading
PDBj
MenuPDBj@FacebookPDBj@TwitterPDBj@YouTubewwPDB FoundationwwPDB
RCSB PDBPDBeBMRBAdv. SearchSearch help

2A5K

Crystal structures of SARS coronavirus main peptidase inhibited by an aza-peptide epoxide in space group P212121

Functional Information from GO Data
ChainGOidnamespacecontents
A0008233molecular_functionpeptidase activity
A0019082biological_processviral protein processing
B0008233molecular_functionpeptidase activity
B0019082biological_processviral protein processing
Functional Information from PDB Data
site_idAC1
Number of Residues26
DetailsBINDING SITE FOR RESIDUE AZP A 307
ChainResidue
ATHR25
ACYS145
AHIS163
AHIS164
AMET165
AGLU166
ALEU167
AHIS172
APHE185
AASP187
AARG188
AHIS41
AGLN189
ATHR190
AGLN192
ALYS236
AHOH328
AHOH348
AHOH397
AMET49
ATYR54
APHE140
ALEU141
AASN142
AGLY143
ASER144

site_idAC2
Number of Residues21
DetailsBINDING SITE FOR RESIDUE AZP B 307
ChainResidue
BTHR25
BHIS41
BMET49
BTYR54
BPHE140
BLEU141
BASN142
BGLY143
BSER144
BCYS145
BHIS163
BHIS164
BMET165
BGLU166
BPRO168
BHIS172
BASP187
BARG188
BGLN189
BTHR190
BALA191

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsACT_SITE: For 3CL-PRO activity => ECO:0000255|PROSITE-ProRule:PRU00772
ChainResidueDetails
AHIS41
ACYS145
BHIS41
BCYS145

site_idSWS_FT_FI2
Number of Residues2
DetailsSITE: Cleavage; by 3CL-PRO => ECO:0000269|PubMed:14561748
ChainResidueDetails
AGLN306
BGLN306

Catalytic Information from CSA
site_idMCSA1
Number of Residues3
DetailsM-CSA 830
ChainResidueDetails
AHIS41proton acceptor, proton donor
AGLY143electrostatic stabiliser
ACYS145electrostatic stabiliser

site_idMCSA2
Number of Residues3
DetailsM-CSA 830
ChainResidueDetails
BHIS41proton acceptor, proton donor
BGLY143electrostatic stabiliser
BCYS145electrostatic stabiliser

220113

PDB entries from 2024-05-22

PDB statisticsPDBj update infoContact PDBjnumon