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. 2010 Jul 29;3(1):47–56. doi: 10.4056/sigs.1052813

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

Code     value    %age    Description
J     149    5.2    Translation, ribosomal structure and biogenesis
A     0    0.0    RNA processing and modification
K     172    6.0    Transcription
L     141    4.9    Replication, recombination and repair
B     1    0.0    Chromatin structure and dynamics
D     22    0.8    Cell cycle control, cell division, chromosome partitioning
Y     0    0.0    Nuclear structure
V     67    2.3    Defense mechanisms
T     168    5.8    Signal transduction mechanisms
M     166    5.8    Cell wall/membrane/envelope biogenesis
N     150    5.2    Cell motility
Z     0    0.0    Cytoskeleton
W     0    0.0    Extracellular structures
U     178    6.2    Intracellular trafficking, secretion, and vesicular transport
O     124    4.3    Posttranslational modification, protein turnover, chaperones
C     161    5.6    Energy production and conversion
G     154    5.4    Carbohydrate transport and metabolism
E     192    6.7    Amino acid transport and metabolism
F     54    1.9    Nucleotide transport and metabolism
H     127    4.4    Coenzyme transport and metabolism
I     73    2.5    Lipid transport and metabolism
P     148    5.1    Inorganic ion transport and metabolism
Q     54    1.9    Secondary metabolites biosynthesis, transport and catabolism
R     370    12.9    General function prediction only
S     206    7.2    Function unknown
-     1,907    43.6    Not in COGs
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