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. 2010 Jan 28;2(1):19–28. doi: 10.4056/sigs.611106

Table 4. Number of genes associated with the general COG functional categories.

Code value %age     Description
J 164 3.3     Translation, ribosomal structure and biogenesis
A 1 0.0     RNA processing and modification
K 357 7.2     Transcription
L 238 4.8     Replication, recombination and repair
B 1 0.0     Chromatin structure and dynamics
D 28 0.6     Cell cycle control, mitosis and meiosis
Y 0 0.0     Nuclear structure
V 50 1.0     Defense mechanisms
T 158 3.2     Signal transduction mechanisms
M 133 2.7     Cell wall/membrane biogenesis
N 2 0.0     Cell motility
Z 1 0.0     Cytoskeleton
W 0 0.0     Extracellular structures
U 30 0.6     Intracellular trafficking and secretion
O 123 2.5     Posttranslational modification, protein turnover, chaperones
C 261 5.3     Energy production and conversion
G 197 4.0     Carbohydrate transport and metabolism
E 283 5.7     Amino acid transport and metabolism
F 90 1.8     Nucleotide transport and metabolism
H 172 3.5     Coenzyme transport and metabolism
I 270 5.5     Lipid transport and metabolism
P 202 4.1     Inorganic ion transport and metabolism
Q 210 4.2     Secondary metabolites biosynthesis, transport and catabolism
R 505 10.2     General function prediction only
S 286 5.8     Function unknown
- 1664 33.7     Not in COGs