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. 2009 Dec 30;1(3):300–307. doi: 10.4056/sigs.48727

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

Code value % age   Description
J 134 8.9   Translation, ribosomal structure and biogenesis
A 2 0.1   RNA processing and modification
K 66 4.4   Transcription
L 88 5.8   Replication, recombination and repair
B 0 0.0   Chromatin structure and dynamics
D 18 1.2   Cell cycle control, mitosis and meiosis
Y 0 0.0   Nuclear structure
V 32 2.1   Defense mechanisms
T 25 1.7   Signal transduction mechanisms
M 57 3.8   Cell wall/membrane biogenesis
N 11 0.7   Cell motility
Z 0 0.0   Cytoskeleton
W 2 0.1   Extracellular structures
U 36 2.4   Intracellular trafficking and secretion
O 45 3.0   Posttranslational modification, protein turnover, chaperones
C 39 2.6   Energy production and conversion
G 119 7.9   Carbohydrate transport and metabolism
E 75 5.0   Amino acid transport and metabolism
F 50 3.3   Nucleotide transport and metabolism
H 21 1.4   Coenzyme transport and metabolism
I 25 1.7   Lipid transport and metabolism
P 56 3.7   Inorganic ion transport and metabolism
Q 4 0.3   Secondary metabolites biosynthesis, transport and catabolism
R 114 7.5   General function prediction only
S 72 4.8   Function unknown
- 493 32.6   Not in COGs