As of July 2023, we do not have sufficient HHPred evidence to confidently identify the tail assembly chaperone (TAC) genes in this cluster, so call them as "hypothetical proteins" without a frameshift for now. Older annotations may have called these genes as tail assembly chaperones using synteny, but newer research on TACs has shown that synteny alone is not sufficient evidence to make a functional determination of TAC for a gene.

If you encounter matches to tail assembly chaperones in other annotated phages within this cluster or other clusters, look for Pham matches to Adjutor gp26 or Adjutor gp27. If the gene you are annotating is found in the same Pham as Adjutor gp26 or gp27, it should not be annotated as a tail assembly chaperone at this time.