The following sequences are listed under tmRDB ID UNCU.VLS1.-1., and are almost identical to each other. Organism Name GenBank AC# Uncultured VLS1 AF389943 Uncultured VLS2 AF389944 They differ at Position 346, with VLS1 having a C, and VLS2 having an A. References for sequences: Kelley, S.T., Harris, J.K., Pace, N.R. (2001) Evaluation and refinement of tmRNA structure using gene sequences from natural microbial communities. RNA. Sep;7(9):1310-6.