This family represents a distinct class of BACON domains found in crAss-like phages, the most common viral family in the human gut, in which they are found in tail fiber genes. This suggests they may play a role in phage-host interactions.

1: Evolution of BACON Domain Tandem Repeats in crAssphage and Novel Gut Bacteriophage Lineages. Jonge PA, Meijenfeldt FABV, Rooijen LEV, Brouns SJJ, Dutilh BE; Viruses. 2019; [Epub ahead of print] PMID:31766550