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. 2010 Oct 18;3(2):136–144. doi: 10.4056/sigs.1143106

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

Code    Value   %age     Description
J    159   4.3     Translation, ribosomal structure and biogenesis
A    0   0.0     RNA processing and modification
K    328   8.8     Transcription
L    129   3.5     Replication, recombination and repair
B    1   0.0     Chromatin structure and dynamics
D    25   0.7     Cell cycle control, cell division, chromosome partitioning
Y    0   0.0     Nuclear structure
V    58   1.6     Defense mechanisms
T    321   8.6     Signal transduction mechanisms
M    183   4.9     Cell wall/membrane/envelope biogenesis
N    94   2.5     Cell motility
Z    0   0.0     Cytoskeleton
W    0   0.0     Extracellular structures
U    58   1.6     Intracellular trafficking and secretion, and vesicular transport
O    114   3.1     Posttranslational modification, protein turnover, chaperones
C    223   6.0     Energy production and conversion
G    553   14.9     Carbohydrate transport and metabolism
E    326   8.8     Amino acid transport and metabolism
F    96   2.6     Nucleotide transport and metabolism
H    130   3.5     Coenzyme transport and metabolism
I    61   1.6     Lipid transport and metabolism
P    165   4.4     Inorganic ion transport and metabolism
Q    30   0.8     Secondary metabolites biosynthesis, transport and catabolism
R    450   12.1     General function prediction only
S    212   5.7     Function unknown
-    1,045   23.9     Not in COGs