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. 2011 Feb 22;4(1):91–99. doi: 10.4056/sigs.1563919

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

Code     value     %age      Description
J     149     5.9      Translation, ribosomal structure and biogenesis
A     0     0.0      RNA processing and modification
K     126     5.0      Transcription
L     135     5.4      Replication, recombination and repair
B     2     0.1      Chromatin structure and dynamics
D     29     1.2      Cell cycle control, cell division, chromosome partitioning
Y     0     0.0      Nuclear structure
V     40     1.6      Defense mechanisms
T     93     3.7      Signal transduction mechanisms
M     128     5.1      Cell wall/membrane/envelope biogenesis
N     14     0.6      Cell motility
Z     0     0.0      Cytoskeleton
W     0     0.0      Extracellular structures
U     34     1.4      Intracellular trafficking, secretion, and vesicular transport
O     82     3.3      Posttranslational modification, protein turnover, chaperones
C     148     5.9      Energy production and conversion
G     244     9.7      Carbohydrate transport and metabolism
E     271     10.7      Amino acid transport and metabolism
F     79     3.1      Nucleotide transport and metabolism
H     104     4.1      Coenzyme transport and metabolism
I     84     3.3      Lipid transport and metabolism
P     170     6.7      Inorganic ion transport and metabolism
Q     63     2.5      Secondary metabolites biosynthesis, transport and catabolism
R     343     13.6      General function prediction only
S     187     7.4      Function unknown
-     774     25.4      Not in COGs