Brand  (β version)

PDB ID: 3VB4

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Ligands
Code Name Style Show Link
EDO 1,2-ethanediol PoSSuM
GOL Glycerol PoSSuM
Non-standard Residues
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Glycosylation
Code Name Emphasize
Modification
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0JU (4s,5z)-4-amino-5-iminopentanamide
BOC Tert-butyl hydrogen carbonate

Structure summary

Code : 3VB4   PDBj   RCSB PDB   PDBe
Header : HYDROLASE/HYDROLASE INHIBITOR
Title : Crystal structure of SARS-CoV 3C-like protease with B4Z
Release Data : 2012-12-12
Compound :
mol_id molecule chains synonym
1 3C-like proteinase A,B 3CL-PRO, 3CLp
ec: 3.4.22.-
mol_id molecule chains
2 B4Z inhibitor E,F
Source :
mol_id organism_scientific organism_common expression_system
1 SARS coronavirus  (taxid:227859) SARS-CoV Escherichia coli  (taxid:562)
gene: 1a
expression_system_vector_type: plasmid
mol_id organism_scientific
2
synthetic: yes
other_details: Synthetic inhibitor
Authors : Chuck, C.P., Wong, K.B.
Keywords : HYDROLASE-HYDROLASE INHIBITOR complex
Exp. method : X-RAY DIFFRACTION ( 2.200 Å )
Citation :

Design, synthesis and crystallographic analysis of nitrile-based broad-spectrum peptidomimetic inhibitors for coronavirus 3C-like proteases

Chuck, C.P.,Chen, C.,Ke, Z.  et al.
(2012)  Eur.J.Med.Chem.  59C : 1 - 6

PubMed: 23202846
DOI: 10.1016/j.ejmech.2012.10.053

Reaction

Chain : A, B
UniProt : P0C6U8 (R1A_SARS)
Reaction: EC: Evidence:
Physiological Direction:
[3C-like proteinase nsp5]
TSAVLQ-|-SGFRK-NH2 and SGVTFQ-|-GKFKK the two peptides corresponding to the two self-cleavage sites of the SARS 3C-like proteinase are the two most reactive peptide substrates. The enzyme exhibits a strong preference for substrates containing Gln at P1 position and Leu at P2 position. 		3.4.22.69 PubMed:12917450, PubMed:14561748
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[Papain-like protease nsp3]
Thiol-dependent hydrolysis of ester, thioester, amide, peptide and isopeptide bonds formed by the C-terminal Gly of ubiquitin (a 76- residue protein attached to proteins as an intracellular targeting signal). 		3.4.19.12 PubMed:12917450, PubMed:17692280
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[RNA-capping enzyme subunit nsp9]
a 5'-end diphospho-ribonucleoside in mRNA + GTP + H(+) = a 5'- end (5'-triphosphoguanosine)-(ribonucleoside) in mRNA + diphosphate 		2.7.7.50 UniProtKB:P0DTC1
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