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Table 1 Numbers of genes associated with general COG functional categories

From: Characterisation of an efficient atrazine-degrading bacterium, Arthrobacter sp. ZXY-2: an attempt to lay the foundation for potential bioaugmentation applications

Code Functional category Value Proportiona
A RNA processing and modification 1 0.04
B Chromatin structure and dynamics 1 0.04
C Energy production and conversion 200 7.16
D Cell cycle control, cell division, chromosome partitioning 24 0.86
E Amino acid transport and metabolism 313 11.21
F Nucleotide transport and metabolism 87 3.11
G Carbohydrate transport and metabolism 319 11.42
H Coenzyme transport and metabolism 103 3.69
I Lipid transport and metabolism 121 4.33
J Translation, ribosomal structure, and biogenesis 153 5.48
K Transcription 232 8.31
L Replication, recombination, and repair 278 9.95
M Cell wall/membrane/envelope biogenesis 111 3.97
N Cell motility 18 0.64
O Posttranslational modification, protein turnover, chaperones 101 3.62
P Inorganic ion transport and metabolism 171 6.12
Q Secondary metabolites biosynthesis, transport, and catabolism 86 3.08
R General function prediction only 223 7.98
S Function unknown 196 7.02
T Signal transduction mechanisms 88 3.15
U Intracellular trafficking, secretion, and vesicular transport 24 0.86
V Defense mechanisms 43 1.54
  1. aThe total is based on the total number of protein-coding genes in the annotated genome