To improve security and privacy, we are moving our web pages and services from HTTP to HTTPS.
To give users of web services time to transition to HTTPS, we will support separate HTTP and HTTPS services until the end of 2017.
From January 2018 most HTTP traffic will be automatically redirected to HTTPS. [more...]
View this page in https
annotation rule: PRU00551

General rule information [?]

Accession PRU00551
Dates 17-OCT-2006 (Created)
8-AUG-2017 (Last updated, Version 6)
Data class Domain
Predictors PROSITE; PS51206; SF3_HELICASE_1
Predictors PROSITE; PS51218; SF3_HELICASE_2
Names Superfamily 3 helicase domain; SF3 helicase domain
Function Helicases encoded mainly by small RNA and DNA viruses and some large nucleocytoplasmic DNA viruses.

Propagated annotation [?]

Cross-references [?]

PROSITE PS00017; ATP_GTP_A; 1; trigger=PRU00499;

Gene Ontology [?]

GO:0004386; Molecular function: helicase activity.

Keywords [?]

Features [?]

From: any
Key     From     To       Description   Tag   Condition   FTGroup
DOMAIN     from     to       SF3 helicase #        

Additional information [?]

Size range 128-198 amino acids
Related rules None
Repeats 1
Topology Undefined
Example P50762 (VE1_HPV24)
Scope Viruses


PROSITE is copyright. It is produced by the SIB Swiss Institute Bioinformatics. There are no restrictions on its use by non-profit institutions as long as its content is in no way modified. Usage by and for commercial entities requires a license agreement. For information about the licensing scheme send an email to or see: prosite_license.html.

UniProtKB rule member sequences [?]