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. 2011 Apr 29;4(2):144–153. doi: 10.4056/sigs.1553862

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

Code     value     %age      Description
J     133     9.7      Translation, ribosomal structure and biogenesis
A     0     0.0      RNA processing and modification
K     70     5.1      Transcription
L     92     6.7      Replication, recombination and repair
B     0     0.0      Chromatin structure and dynamics
D     19     1.4      Cell cycle control, cell division, chromosome partitioning
Y     0     0.0      Nuclear structure
V     22     1.6      Defense mechanisms
T     32     2.3      Signal transduction mechanisms
M     139     10.2      Cell wall/membrane/envelope biogenesis
N     3     0.2      Cell motility
Z     0     0.0      Cytoskeleton
W     0     0.0      Extracellular structures
U     26     1.9      Intracellular trafficking, secretion, and vesicular transport
O     66     4.8      Posttranslational modification, protein turnover, chaperones
C     77     5.6      Energy production and conversion
G     39     2.9      Carbohydrate transport and metabolism
E     101     7.4      Amino acid transport and metabolism
F     52     3.8      Nucleotide transport and metabolism
H     83     6.1      Coenzyme transport and metabolism
I     56     4.1      Lipid transport and metabolism
P     88     6.4      Inorganic ion transport and metabolism
Q     20     1.5      Secondary metabolites biosynthesis, transport and catabolism
R     159     11.6      General function prediction only
S     89     6.5      Function unknown
-     769     37.5      Not in COGs