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. 2012 Mar 5;6(1):94–103. doi: 10.4056/sigs.2456004

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

Code     Value     %age        Description
J     154     6.4        Translation, ribosomal structure and biogenesis
A     0     0.0        RNA processing and modification
K     119     5.0        Transcription
L     126     5.3        Replication, recombination and repair
B     0     0.0        Chromatin structure and dynamics
D     33     1.4        Cell cycle control, cell division, chromosome partitioning
Y     0     0.0        Nuclear structure
V     46     1.9        Defense mechanisms
T     283     11.8        Signal transduction mechanisms
M     177     7.4        Cell wall/membrane/envelope biogenesis
N     127     5.3        Cell motility
Z     0     0.0        Cytoskeleton
W     0     0.0        Extracellular structures
U     96     4.0        Intracellular trafficking, secretion, and vesicular transport
O     102     4.3        Posttranslational modification, protein turnover, chaperones
C     168     7.0        Energy production and conversion
G     73     3.1        Carbohydrate transport and metabolism
E     129     5.4        Amino acid transport and metabolism
F     57     2.4        Nucleotide transport and metabolism
H     107     4.5        Coenzyme transport and metabolism
I     40     1.7        Lipid transport and metabolism
P     134     5.6        Inorganic ion transport and metabolism
Q     21     0.9        Secondary metabolites biosynthesis, transport and catabolism
R     229     9.6        General function prediction only
S     175     7.3        Function unknown
-     750     26.1        Not in COGs