COG function classification of M. neoaurum MN2 gene (a) and 184 variants gene (b) (A RNA processing and modification, B chromatin structure and dynamics, C energy production and conversion, D cell cycle control, cell division, chromosome partitioning, E amino acid transport and metabolism, F nucleotide transport and metabolism, G carbohydrate transport and metabolism, H coenzyme transport and metabolism, I lipid transport and metabolism, J translation, ribosomal structure and biogenesis, K transcription, L replication, recombination and repair, M cell wall/membrane/envelope biogenesis, N cell motility, O posttranslational modification, protein turnover, chaperones, P inorganic ion transport and metabolism, Q secondary metabolites biosynthesis, transport and catabolism, R general function prediction only, S function unknown, T signal transduction mechanisms, U intracellular trafficking, secretion, and vesicular transport, V defense mechanisms, W extracellular structures, Y nuclear structure, Z cytoskeleton)