Table 1 Functional categories of representative core and pan genes of Enterococcus faecium genomes

[J] Translation, ribosomal structure and biogenesis

[A] RNA processing and modification

[K] Transcription

[L] Replication, recombination and repair

[B] Chromatin structure and dynamics

[D] Cell cycle control, cell division, chromosome partitioning

[Y] Nuclear structure

[V] Defense mechanisms

[T] Signal transduction mechanisms

[M] Cell wall/membrane/envelope biogenesis

[N] Cell motility

[Z] Cytoskeleton

[W] Extracellular structures

[U] Intracellular trafficking, secretion, and vesicular transport

[O] Post-translational modification, protein turnover, and chaperones

[C] Energy production and conversion

[G] Carbohydrate transport and metabolism

[E] Amino acid transport and metabolism

[F] Nucleotide transport and metabolism

[H] Coenzyme transport and metabolism

[I] Lipid transport and metabolism

[P] Inorganic ion transport and metabolism

[Q] Secondary metabolites biosynthesis, transport, and catabolism

[R] General function prediction only

[S] Function unknown