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. 2016 Jan 22;10:132–141. doi: 10.1016/j.nmni.2016.01.011

Table 6.

Number of genes associated with 25 general COGs functional categories

Code Value % of totala Description
J 178 4.09 Translation
A 0 0 RNA processing and modification
K 334 7.67 Transcription
L 175 4.02 Replication, recombination and repair
B 0 0 Chromatin structure and dynamics
D 34 0.78 Cell cycle control, mitosis and meiosis
Y 0 0 Nuclear structure
V 88 2.02 Defense mechanisms
T 208 4.77 Signal transduction mechanisms
M 147 3.37 Cell wall/membrane biogenesis
N 64 1.47 Cell motility
Z 0 0 Cytoskeleton
W 0 0 Extracellular structures
U 45 1.03 Intracellular trafficking and secretion
O 111 2.55 Posttranslational modification, protein turnover, chaperones
C 156 3.58 Energy production and conversion
G 421 9.67 Carbohydrate transport and metabolism
E 271 6.22 Amino acid transport and metabolism
F 93 2.13 Nucleotide transport and metabolism
H 112 2.57 Coenzyme transport and metabolism
I 88 2.02 Lipid transport and metabolism
P 197 4.52 Inorganic ion transport and metabolism
Q 77 1.76 Secondary metabolites biosynthesis, transport and catabolism
R 531 12.20 General function prediction only
S 310 7.12 Function unknown
1532 35.20 Not in COGs

COGs, Clusters of Orthologous Groups database.

a

Total is based on total number of protein-coding genes in annotated genome.