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. 2014 Mar 28;9(3):840–854. doi: 10.4056/sigs.5541028

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

Code        Value        %age        Description
J        164        5.5        Translation, ribosomal structure and biogenesis
A        0        0.0        RNA processing and modification
K        149        5.0        Transcription
L        133        4.4        Replication, recombination and repair
B        4        0.1        Chromatin structure and dynamics
D        25        0.8        Cell cycle control, cell division, chromosome partitioning
Y        0        0.0        Nuclear structure
V        32        1.1        Defense mechanisms
T        88        2.9        Signal transduction mechanisms
M        191        6.4        Cell wall/membrane/envelope biogenesis
N        35        1.2        Cell motility
Z        1        0.0        Cytoskeleton
W        0        0.0        Extracellular structures
U        52        1.7        Intracellular trafficking and secretion, and vesicular transport
O        124        4.1        Posttranslational modification, protein turnover, chaperones
C        217        7.3        Energy production and conversion
G        174        5.8        Carbohydrate transport and metabolism
E        338        11.3        Amino acid transport and metabolism
F        83        2.8        Nucleotide transport and metabolism
H        143        4.8        Coenzyme transport and metabolism
I        134        3.5        Lipid transport and metabolism
P        167        5.6        Inorganic ion transport and metabolism
Q        90        3.0        Secondary metabolites biosynthesis, transport and catabolism
R        379        12.7        General function prediction only
S        272        9.1        Function unknown
-        849        23.6        Not in COGs