Its function is unknown , but amino acid sequence homologs are found in virtually every bacterial genome to date , and it may be an essential protein .
This is a two - domain protein with a N - terminal LSm domain .
LSm 's function is unknown , but amino acid sequence homologs are found in virtually every bacterial genome to date , and it may be an LSm protein .
This is a two - domain protein with a N - terminal LSm domain .