Table 1.

COG functional categories of Rhodothermaceae bacterium RA

COG functional categories	Count	Proportion (%)
Information storage and processing
J—translation, ribosomal structure, and biogenesis	147	4.30
A—RNA processing and modification	1	0.03
K—transcription	124	3.63
L—replication, recombination, and repair	142	4.16
B—chromatin structure and dynamics	3	0.09
Cellular processes and signaling
D—cell cycle control, cell division, and chromosome partitioning	25	0.73
Y—nuclear structure	0	0.00
V—defence mechanisms	43	1.26
T—signal transduction mechanisms	180	5.27
M—cell wall/membrane/envelope biogenesis	209	6.12
N—cell motility	38	1.11
Z—cytoskeleton	1	0.03
W—extracellular structures	1	0.03
U—intracellular trafficking, secretion, and vesicular transport	44	1.29
O—posttranslational modification, protein turnover, and chaperones	122	3.57
Metabolism
C—energy production and conversion	148	4.33
G—carbohydrate transport and metabolism	183	5.36
E—amino acid transport and metabolism	237	6.94
F—nucleotide transport and metabolism	70	2.05
H—coenzyme transport and metabolism	92	2.69
I—lipid transport and metabolism	77	2.25
P—inorganic ion transport and metabolism	195	5.71
Q—secondary metabolites biosynthesis, transport, and catabolism	58	1.70
Poorly characterized
R—general function prediction only	0	0.00
S—function unknown	1277	37.37