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. 2009 Dec 29;1(3):283–290. doi: 10.4056/sigs.46736

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

Code
value
% age
  Description
J 138 4.7   Translation, ribosomal structure and biogenesis
A 1 0.0   RNA processing and modification
K 132 4.5   Transcription
L 120 4.1   Replication, recombination and repair
B 2 0.1   Chromatin structure and dynamics
D 27 0.9   Cell cycle control, mitosis and meiosis
Y 0 0.0   Nuclear structure
V 43 1.5   Defense mechanisms
T 119 4.1   Signal transduction mechanisms
M 152 5.2   Cell wall/membrane biogenesis
N 51 1.8   Cell motility
Z 0 0.0   Cytoskeleton
W 0 0.0   Extracellular structures
U 61 1.1   Intracellular trafficking and secretion
O 95 3.3   Posttranslational modification, protein turnover, chaperones
C 133 4.6   Energy production and conversion
G 155 5.3   Carbohydrate transport and metabolism
E 188 6.5   Amino acid transport and metabolism
F 67 2.3   Nucleotide transport and metabolism
H 117 4.0   Coenzyme transport and metabolism
I 80 2.8   Lipid transport and metabolism
P 126 4.3   Inorganic ion transport and metabolism
Q 60 2.1   Secondary metabolites biosynthesis, transport and catabolism
R 288 9.9   General function prediction only
S 176 6.0   Function unknown
- 787 26.1   Not in COGs