TABLE 1.

Summary of identified proteins classified by COGs

COG category	Description	No. genome encoded	% of genome	No. of identified proteins	% of identified proteins	No. with >2-fold increase in total	No. with >2-fold increase in common	No. with >2-fold decrease in total	No. with >2-fold decrease in common
A	RNA processing and modification	1	0.02	1	0.03	0	0	0	0
J	Translation, ribosomal structure, and biogenesis	167	2.79	153	3.88	16	8	27	9
K	Transcription	442	7.39	319	8.08	24	8	29	48
L	Replication, recombination, and repair	234	3.91	107	2.71	2	1	57	28
N	Cell motility	5	0.08	2	0.05	0	0	0	0
D	Cell cycle control and cell division	31	0.52	25	0.63	1	0	5	8
M	Cell wall/membrane/envelope biogenesis	170	2.84	116	2.94	14	5	43	13
O	Posttranslational modification, protein turnover, and chaperones	147	2.46	105	2.66	17	4	31	12
T	Signal transduction mechanisms	215	3.60	167	4.23	17	6	88	37
U	Intracellular trafficking, secretion, and vesicular transport	32	0.54	19	0.48	2	0	5	1
V	Defense mechanisms	47	0.79	29	0.73	4	1	7	1
C	Energy production and conversion	347	5.80	269	6.81	38	16	105	51
E	Amino acid transport and metabolism	352	5.89	272	6.89	41	11	91	26
F	Nucleotide transport and metabolism	93	1.56	83	2.10	8	1	19	5
G	Carbohydrate transport and metabolism	207	3.46	164	4.15	21	5	47	18
H	Coenzyme transport and metabolism	184	3.08	153	3.88	24	8	59	13
I	Lipid transport and metabolism	465	7.78	374	9.47	83	32	124	56
P	Inorganic ion transport and metabolism	260	4.35	157	3.98	41	21	49	23
Q	Secondary-metabolite biosynthesis, transport, and catabolism	436	7.29	298	7.55	64	20	119	57
R	General function prediction only	682	11.41	513	12.99	90	34	215	90
S	Function unknown	326	5.45	239	6.05	47	9	79	26
Not in COGs		1,726	28.87	831	21.05	168	42	237	100
Total		5,979		3,948	66.03	722	232	1,546	654