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Table 6 Cluster of Orthologous Groups (COG) functional classes. Abbreviations for Fig. 8

From: Whole-genome sequencing of two Streptomyces strains isolated from the sand dunes of Sahara

Functional class Class description
A RNA processing and modification
B Chromatin structure and dynamics
C Energy production and conversion
D Cell cycle control /cell division / chromosome partitioning
E Amino acid transport and metabolism
F Nucleotide transport and metabolism
G Carbohydrate transport and metabolism
H Coenzyme transport and metabolism
I Lipid transport and metabolism
J Translation / ribosomal structure and biogenesis
K Transcription
L Replication / recombination, and repair
M Cell wall/membrane/envelope biogenesis
N Cell motility
O Posttranslational modification / protein turnover/ chaperones
P Inorganic ion transport and metabolism
Q Secondary metabolites biosynthesis, transport, and catabolism
R General function prediction only
S Function unknown
T Signal transduction mechanisms
U Intracellular trafficking / secretion, and vesicular transport
V Defense mechanisms
W Extracellular structures
Y Nuclear structure
Z Cytoskeleton