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. 2013 Sep 30;9(1):28–41. doi: 10.4056/sigs.4207886

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

Code    value    %age      Description
J    184    4.3      Translation, ribosomal structure and biogenesis
A    1    0.0      RNA processing and modification
K    512    11.8      Transcription
L    182    4.2      Replication, recombination and repair
B    2    0.1      Chromatin structure and dynamics
D    34    0.8      Cell cycle control, cell division, chromosome partitioning
Y    0    0.0      Nuclear structure
V    79    1.8      Defense mechanisms
T    209    4.8      Signal transduction mechanisms
M    174    4.0      Cell wall/membrane biogenesis
N    5    0.1      Cell motility
Z    0    0.0      Cytoskeleton
W    0    0.0      Extracellular structures
U    35    0.8      Intracellular trafficking and secretion, and vesicular transport
O    130    3.0      Post-translational modification, protein turnover, chaperones
C    274    6.3      Energy production and conversion
G    327    7.6      Carbohydrate transport and metabolism
E    341    7.9      Amino acid transport and metabolism
F    96    2.2      Nucleotide transport and metabolism
H    202    4.7      Coenzyme transport and metabolism
I    213    4.9      Lipid transport and metabolism
P    210    4.9      Inorganic ion transport and metabolism
Q    196    4.5      Secondary metabolites biosynthesis, transport and catabolism
R    588    13.6      General function prediction only
S    330    7.6      Function unknown
-    1,362    26.2      Not in COGs