Prim_Zn_Ribbon

Zinc-binding domain of primase-helicase
Prim_Zn_Ribbon
SMART accession number:SM00778
Description: This region represents the zinc binding domain. It is found in the N-terminal region of the bacteriophage P4 alpha protein, which is a multifunctional protein with origin recognition, helicase and primase activities.
Interpro abstract (IPR013237):

This entry is represented by bacteriophage T7 Gp4. The characteristics of the protein distribution suggest prophage matches in addition to the phage matches.

This entry represents a zinc binding domain found in the N-terminal region of the bacteriophage T7 Gp4 and P4 alpha protein. P4 is a multifunctional protein with origin recognition, helicase and primase activities [(PUBMED:8253092), (PUBMED:9185573), (PUBMED:10892646)].

GO function:helicase activity (GO:0004386), DNA primase activity (GO:0003896), zinc ion binding (GO:0008270)
Family alignment:
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There are 861 Prim_Zn_Ribbon domains in 861 proteins in SMART's nrdb database.

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