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Annotation rule MF_04160
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General rule information [?]

Accession MF_04160
Dates 6-APR-2021 (Created)
20-APR-2021 (Last updated, Version 2)
Name NUCL_HEAD_T4
Scope
Viruses
Template P15075 (HDNUC_BPT4)

Propagated annotation [?]


Identifier, protein and gene names [?]

Identifier
HDNUC
Protein name
RecName: Full=Head completion nuclease;
EC 3.1.-.-;

Comments [?]

Function During phage morphogenesis, plays an essential role in the head-tail joining step. The associated nuclease activity is essential for morphogenesis, possibly by cleaving packaged DNA to enable the joining of heads to tails. Displays both exo- and endonuclease activity.
Similarity Belongs to the Caudovirales head completion nuclease family.

Keywords [?]


Gene Ontology [?]

GO:0004527; Molecular function: exonuclease activity.
GO:0004519; Molecular function: endonuclease activity.

Cross-references [?]

Pfam PF08722; Tn7_Tnp_TnsA_N; 0-1;

Features [?]

From: HDNUC_BPT4 (P15075)
Key     From     To       Description   Tag   Condition   FTGroup
ACT_SITE     29     29             E  
ACT_SITE     68     68             D  
ACT_SITE     84     84             K  

Additional information [?]

Size range 120-220 amino acids
Related rules None
Fusion None