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. 2011 Dec 23;5(3):287–297. doi: 10.4056/sigs.2205004

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

Code    value    %age    Description
J    158    5.9    Translation, ribosomal structure and biogenesis
A    0    0.0    RNA processing and modification
K    167    6.2    Transcription
L    106    3.9    Replication, recombination and repair
B    1    0.0    Chromatin structure and dynamics
D    28    1.0    Cell cycle control, cell division, chromosome partitioning
Y    0    0.0    Nuclear structure
V    34    1.3    Defense mechanisms
T    140    5.2    Signal transduction mechanisms
M    196    7.3    Cell wall/membrane biogenesis
N    70    2.6    Cell motility
Z    0    0.0    Cytoskeleton
W    0    0.0    Extracellular structures
U    92    3.4    Intracellular trafficking and secretion, and vesicular transport
O    129    4.8    Posttranslational modification, protein turnover, chaperones
C    152    5.7    Energy production and conversion
G    141    5.2    Carbohydrate transport and metabolism
E    204    7.6    Amino acid transport and metabolism
F    55    2.1    Nucleotide transport and metabolism
H    119    4.4    Coenzyme transport and metabolism
I    133    5.0    Lipid transport and metabolism
P    152    5.7    Inorganic ion transport and metabolism
Q    82    3.1    Secondary metabolites biosynthesis, transport and catabolism
R    287    10.7    General function prediction only
S    243    9.0    Function unknown
-    823    25.2    Not in COGs