AC MF_04160; DC Protein; auto TR HAMAP; MF_04160; -; 1; level=0 XX Names: NUCL_HEAD_T4 XX ID HDNUC DE RecName: Full=Head completion nuclease; DE EC=3.1.-.-; XX CC -!- FUNCTION: During phage morphogenesis, plays an essential role in the CC head-tail joining step. The associated nuclease activity is essential CC for morphogenesis, possibly by cleaving packaged DNA to enable the CC joining of heads to tails. Displays both exo- and endonuclease CC activity. CC -!- SIMILARITY: Belongs to the Caudovirales head completion nuclease family. XX DR Pfam; PF08722; Tn7_Tnp_TnsA_N; 0-1; trigger=no XX KW Endonuclease KW Exonuclease XX GO GO:0004527; F:exonuclease activity GO GO:0004519; F:endonuclease activity XX FT From: HDNUC_BPT4 (P15075) FT ACT_SITE 29 FT Condition: E FT ACT_SITE 68 FT Condition: D FT ACT_SITE 84 FT Condition: K XX Size: 120-220; Related: None; Template: P15075; Scope: Viruses Fusion: Nter: None Cter: None Duplicate: None Plasmid: None Comments: None XX # Revision 1.2 2021/04/20 //