Table 3 Functional classification of 3006 Mesostigma viride contigs using the KOG system [43] and an expectation threshold of e = 10^-7.

INFORMATION STORAGE AND PROCESSING

   [J] Translation, ribosomal structure and biogenesis

   [A] RNA processing and modification

   [K] Transcription

   [L] Replication, recombination and repair

   [B] Chromatin structure and dynamics

CELLULAR PROCESSES AND SIGNALING

   [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 + Z] Cytoskeleton and cell motility

   [W] Extracellular structures

   [U] Intracellular trafficking, secretion, and vesicular transport

   [O] Posttranslational modification, protein turnover, chaperones

METABOLISM

   [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

POORLY CHARACTERIZED

   [R] General function prediction only

   [S] Function unknown

   [X] Unnamed protein

   Unknown