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. 2010 Mar 30;2(2):212–219. doi: 10.4056/sigs.751339

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

Code    value    %age    Description
J    197    3.9    Translation, ribosomal structure and biogenesis
A    3    0.1    RNA processing and modification
K    550    10.8    Transcription
L    120    2.3    Replication, recombination and repair
B    2    0.0    Chromatin structure and dynamics
D    30    0.6    Cell cycle control, cell division, chromosome partitioning
Y    0    0.0    Nuclear structure
V    89    1.7    Defense mechanisms
T    287    5.6    Signal transduction mechanisms
M    241    4.7    Cell wall/membrane biogenesis
N    57    1.1    Cell motility
Z    1    0.0    Cytoskeleton
W    0    0.0    Extracellular structures
U    44    0.9    Intracellular trafficking and secretion
O    131    2.6    Posttranslational modification, protein turnover, chaperones
C    325    6.4    Energy production and conversion
G    396    7.8    Carbohydrate transport and metabolism
E    566    11.1    Amino acid transport and metabolism
F    84    1.6    Nucleotide transport and metabolism
H    186    3.6    Coenzyme transport and metabolism
I    252    4.9    Lipid transport and metabolism
P    301    5.9    Inorganic ion transport and metabolism
Q    220    4.3    Secondary metabolites biosynthesis, transport and catabolism
R    705    13.8    General function prediction only
S    323    6.3    Function unknown
-    1,579    26.3    Not in COGs