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. 2014 Mar 15;9(3):1076–1088. doi: 10.4056/sigs.5138968

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

Code     value     %age        Description
J     155     6.5        Translation, ribosomal structure and biogenesis
A     1     0.0        RNA processing and modification
K     133     5.6        Transcription
L     129     5.4        Replication, recombination and repair
B     3     0.1        Chromatin structure and dynamics
D     17     0.7        Cell cycle control, cell division, chromosome partitioning
Y     0     0.0        Nuclear structure
V     33     1.4        Defense mechanisms
T     191     8.0        Signal transduction mechanisms
M     90     4.8        Cell wall/membrane biogenesis
N     79     3.3        Cell motility
Z     1     0.0        Cytoskeleton
W     0     0.0        Extracellular structures
U     27     1.1        Intracellular trafficking and secretion, and vesicular transport
O     82     3.4        Posttranslational modification, protein turnover, chaperones
C     173     7.2        Energy production and conversion
G     75     3.1        Carbohydrate transport and metabolism
E     147     6.1        Amino acid transport and metabolism
F     61     2.6        Nucleotide transport and metabolism
H     157     6.6        Coenzyme transport and metabolism
I     28     1.2        Lipid transport and metabolism
P     115     4.8        Inorganic ion transport and metabolism
Q     8     0.3        Secondary metabolites biosynthesis, transport and catabolism
R     355     14.8        General function prediction only
S     332     13.8        Function unknown
-     925     29.6        Not in COGs