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. 2013 Jul 30;8(3):403–419. doi: 10.4056/sigs.3927623

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

Code     Value    %age    Description
J     179    4.22    Translation, ribosomal structure and biogenesis
A     0    0    RNA processing and modification
K     346    8.16    Transcription
L     233    5.5    Replication, recombination and repair
B     3    0.07    Chromatin structure and dynamics
D     38    0.9    Cell cycle control, cell division, chromosome partitioning
Y     0    0    Nuclear structure
V     44    1.04    Defense mechanisms
T     224    5.29    Signal transduction mechanisms
M     194    4.58    Cell wall/membrane/envelope biogenesis
N     100    2.36    Cell motility
Z     2    0.05    Cytoskeleton
W     0    0    Extracellular structures
U     91    2.15    Intracellular trafficking, secretion, and vesicular transport
O     153    3.61    Posttranslational modification, protein turnover, chaperones
C     254    5.99    Energy production and conversion
G     175    4.13    Carbohydrate transport and metabolism
E     467    11.02    Amino acid transport and metabolism
F     103    2.43    Nucleotide transport and metabolism
H     194    4.58    Coenzyme transport and metabolism
I     176    4.15    Lipid transport and metabolism
P     192    4.53    Inorganic ion transport and metabolism
Q     143    3.37    Secondary metabolites biosynthesis, transport and catabolism
R     497    11.73    General function prediction only
S     430    10.15    Function unknown
-     1,491    27.95    Not in COGs