NF033889: termin_lrg_T7 (this model, PSSM-Id:411452 is obsolete and has been replaced by 468226)
phage terminase large subunit
The phage terminase large subunit (TerL) is also called DNA maturase B. It oligomerizes into an ATPase that forces DNA into a pre-existing phage prohead to package the DNA. This TerL family includes members from phage T7 and phage T3, among others.