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7MPB

SARS Coronavirus-2 Main Protease 3CL-pro binding Ascorbate

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 Residues8
Detailsbinding site for residue ASC A 401
ChainResidue
APHE140
ALEU141
AASN142
AGLY143
ASER144
ACYS145
AHIS163
AGLU166

site_idAC2
Number of Residues5
Detailsbinding site for residue ETF A 402
ChainResidue
AHIS41
ACYS44
ASER46
AMET49
ATHR25

site_idAC3
Number of Residues7
Detailsbinding site for residue ASC B 401
ChainResidue
BPHE140
BLEU141
BASN142
BGLY143
BCYS145
BHIS163
BGLU166

site_idAC4
Number of Residues4
Detailsbinding site for residue ETF B 402
ChainResidue
BTHR25
BHIS41
BCYS44
BMET49

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsACT_SITE: For 3CL-PRO activity => ECO:0000255|PROSITE-ProRule:PRU00772, ECO:0000305|PubMed:32198291
ChainResidueDetails
AHIS41
BHIS41

site_idSWS_FT_FI2
Number of Residues2
DetailsACT_SITE: Nucleophile; for 3CL-PRO activity => ECO:0000255|PROSITE-ProRule:PRU00772, ECO:0000269|PubMed:32198291
ChainResidueDetails
ACYS145
BCYS145

site_idSWS_FT_FI3
Number of Residues2
DetailsSITE: Cleavage; by 3CL-PRO => ECO:0000250|UniProtKB:P0C6V3
ChainResidueDetails
AGLN306
BGLN306

site_idSWS_FT_FI4
Number of Residues6
DetailsCROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000269|PubMed:39223933
ChainResidueDetails
ALYS5
ALYS90
BLYS5
BLYS90

237423

PDB entries from 2025-06-11

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