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. 2010 Jan 28;2(1):96–106. doi: 10.4056/sigs.69.1277

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

Code   Value %age   Description
J   182 2.6   Translation, ribosomal structure and biogenesis
A   2 0.0   RNA processing and modification
K   488 7.1   Transcription
L   439 6.4   Replication, recombination and repair
B   3 0.0   Chromatin structure and dynamics
D   54 0.8   Cell cycle control, mitosis and meiosis
Y   0 0.0   Nuclear structure
V   83 1.2   Defense mechanisms
T   549 8.0   Signal transduction mechanisms
M   250 3.6   Cell wall/membrane biogenesis
N   55 0.8   Cell motility
Z   16 0.2   Cytoskeleton
W   0 0.0   Extracellular structures
U   89 1.3   Intracellular trafficking and secretion
O   194 2.8   Posttranslational modification, protein turnover, chaperones
C   265 3.8   Energy production and conversion
G   186 2.7   Carbohydrate transport and metabolism
E   308 4.5   Amino acid transport and metabolism
F   78 1.1   Nucleotide transport and metabolism
H   183 2.7   Coenzyme transport and metabolism
I   204 3.0   Lipid transport and metabolism
P   163 2.4   Inorganic ion transport and metabolism
Q   174 2.5   Secondary metabolites biosynthesis, transport and catabolism
R   754 10.9   General function prediction only
S   332 4.8   Function unknown
-   2915 42.3   Not in COGs