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General rule information [?]

Accession PRU01074
Dates 27-NOV-2014 (Created)
22-NOV-2019 (Last updated, Version 3)
Data class Domain
Predictors PROSITE; PS51738; PEPTIDASE_C21
Name Peptidase family C21 domain
Function The peptidase family C21 domain is a papain-like proteinase with catalytic cysteine and histidine residues.

Propagated annotation [?]

Gene Ontology [?]

case <FTGroup:1>
GO:0004197; Molecular function: cysteine-type endopeptidase activity.
GO:0016787; Molecular function: hydrolase activity.
GO:0008233; Molecular function: peptidase activity.

Keywords [?]

end case

Features [?]

From: PS51738
Key     From     To       Description   Tag   Condition   FTGroup
DOMAIN     from     to       Peptidase C21 #        
ACT_SITE     54     54       For protease activity     C   1
ACT_SITE     140     140       For protease activity     H   1

Additional information [?]

Size range 140-166 amino acids
Related rules None
Repeats 1
Topology Undefined
Example P28477 (POLR_TYMVC)
Viruses; Tymoviridae
Comments None


PROSITE is copyrighted by the SIB Swiss Institute of Bioinformatics and distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives (CC BY-NC-ND 4.0) License, see prosite_license.html.

UniProtKB rule member sequences [?]