Table 3. Hallmark proteins in the Km3 metagenome compared to the deep ALOHA water column.

BLASTX cut-off value	Protein / Protein class	Number of gene/protein per Mbp
		500	770	4000	Km3
1e-50	RecA	0.3	0.3	0.3	0.1
	DnaK	0.5	0.7	0.6	1.5
	RpoB	0.3	0.3	0.3	0.7
	Pgm	0.0	0.2	0.1	0.4
	PycA	0.5	0.6	1.0	0.7
	GyrB	0.4	0.7	0.7	0.5
	Mdh	1.1	1.0	1.0	1.1
1e-20	Dehydrogenases	40.3	38.1	43.7	59.7
	Carbon-monoxide-dehydrogenase (cox)	1.0	1.7	1.0	2.5
	Luciferase-like genes	0.4	1.4	1.5	2.9
	Transposase	1.6	1.7	8.1	4.6
	Phage-related	2.0	1.3	2.5	3.6
	Chaperones	2.1	2.4	2.5	3.7
	Dehalogenases	0.5	0.2	0.6	1.4