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. 2010 Jun 15;2(3):280–289. doi: 10.4056/sigs.902116

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

Code    value    %age     Description
J    150    8.8     Translation, ribosomal structure and biogenesis
A    0    0.0     RNA processing and modification
K    105    6.1     Transcription
L    81    4.7     Replication, recombination and repair
B    1    0.1     Chromatin structure and dynamics
D    23    1.3     Cell cycle control, cell division, chromosome partitioning
Y    0    0.0     Nuclear structure
V    23    1.3     Defense mechanisms
T    51    3.0     Signal transduction mechanisms
M    106    6.2     Cell wall/membrane biogenesis
N    5    0.3     Cell motility
Z    0    0.0     Cytoskeleton
W    0    0.0     Extracellular structures
U    32    1.9     Intracellular trafficking, secretion, and vesicular transport
O    57    3.3     Posttranslational modification, protein turnover, chaperones
C    129    7.5     Energy production and conversion
G    118    6.9     Carbohydrate transport and metabolism
E    199    11.6     Amino acid transport and metabolism
F    66    3.9     Nucleotide transport and metabolism
H    67    3.9     Coenzyme transport and metabolism
I    42    2.5     Lipid transport and metabolism
P    98    5.7     Inorganic ion transport and metabolism
Q    26    1.5     Secondary metabolites biosynthesis, transport and catabolism
R    207    12.1     General function prediction only
S    126    7.4     Function unknown
-    378    19.2     Not in COGs