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. 2015 Oct 23;6:267–268. doi: 10.1016/j.gdata.2015.10.018

Table 2.

Number of genes associated with general COG functional categories.

Code Value % age Description
J 118 5.6 Translation, ribosomal structure and biogenesis
A 1 0.0 RNA processing and modification
K 112 5.4 Transcription
L 157 7.5 Replication, recombination and repair
B 1 0.0 Chromatin structure and dynamics
D 29 1.4 Cell cycle control, cell division, chromosome partitioning
V 51 2.4 Defense mechanisms
T 59 2.8 Signal transduction mechanisms
M 141 6.7 Cell wall/membrane biogenesis
N 30 1.4 Cell motility
U 76 3.6 Intracellular trafficking and secretion
O 96 4.6 Posttranslational modification, protein turnover, chaperones
C 159 7.6 Energy production and conversion
G 93 4.4 Carbohydrate transport and metabolism
E 146 7.0 Amino acid transport and metabolism
F 41 2.0 Nucleotide transport and metabolism
H 89 4.3 Coenzyme transport and metabolism
I 59 2.8 Lipid transport and metabolism
P 125 6.0 Inorganic ion transport and metabolism
Q 43 2.1 Secondary metabolites biosynthesis, transport and catabolism
R 212 10.1 General function prediction only
S 134 6.4 Function unknown
119 5.7 Not in COGs

The total is based on the total number of protein coding genes in the genome.