About: Structural basis for catalysis and ubiquitin recognition by the Severe acute respiratory syndrome coronavirus papain‐like protease

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An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Structural basis for catalysis and ubiquitin recognition by the Severe acute respiratory syndrome coronavirus papain‐like protease
Creator	Chou, Chi-Yuan Cheng, Shu-Chun Cheng, Kai-Wen Chou, Ya-Wen Lai, Hsing-Yi Chen, Hung-Yi
Source	Medline; PMC
abstract	Papain‐like protease (PL(pro)) is one of two cysteine proteases involved in the proteolytic processing of the polyproteins of Severe acute respiratory syndrome coronavirus (SARS‐CoV). PL(pro) also shows significant in vitro deubiquitinating and de‐ISGylating activities, although the detailed mechanism is still unclear. Here, the crystal structure of SARS‐CoV PL(pro) C112S mutant in complex with ubiquitin (Ub) is reported at 1.4 Å resolution. The Ub core makes mostly hydrophilic interactions with PL(pro), while the Leu‐Arg‐Gly‐Gly C‐terminus of Ub is located in the catalytic cleft of PL(pro), mimicking the P4–P1 residues and providing the first atomic insights into its catalysis. One of the O atoms of the C‐terminal Gly residue of Ub is located in the oxyanion hole consisting of the main‐chain amides of residues 112 and 113. Mutations of residues in the PL(pro)–Ub interface lead to reduced catalytic activity, confirming their importance for Ub binding and/or catalysis. The structure also revealed an N‐cyclohexyl‐2‐aminethanesulfonic acid molecule near the catalytic triad, and kinetic studies suggest that this binding site is also used by other PL(pro) inhibitors. Overall, the structure provides a foundation for understanding the molecular basis of coronaviral PL(pro) catalysis.
has issue date	2014-02-17(xsd:dateTime)
bibo:doi	10.1107/s1399004713031040
bibo:pmid	24531491
has license	no-cc
sha1sum (hex)	aebe36b1533f55314e615c645d6934f284bd4570
schema:url	https://doi.org/10.1107/s1399004713031040
resource representing a document's title	Structural basis for catalysis and ubiquitin recognition by the Severe acute respiratory syndrome coronavirus papain‐like protease
has PubMed Central identifier	PMC7161584
has PubMed identifier	24531491
schema:publication	Acta Crystallogr D Biol Crystallogr
resource representing a document's body	covid:aebe36b1533f55314e615c645d6934f284bd4570#body_text
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