Table 1.

Sequence identity comparison of Sulfurospirillum and SL2 RdhA proteins

Proteina	% identity with:
	Sul-RdhA2	Smu-PceA	Sha-PceA	SL2-RdhA2	SL2-PceADCE	SL2-PceATCE
SL2-PceATCE	61.9	92.1	92.6	61.9	93.3	100.0
SL2-PceADCE	63.4	96.6	91.1	63.4	100.0
SL2-RdhA2	100.0	63.0	61.6	100.0
Sha-PceA	61.6	91.7	100.0
Smu-PceA	63.0	100.0
Sul-RdhA2	100.0

^aSul-RdhA2, RdhA2 from an uncultured bacterium affiliated with Sulfurospirillum (GenBank accession no. BAJ09321); Smu-PceA, PceA from Sulfurospirillum multivorans (accession no. AAC60788); Sha-PceA, PceA from Sulfurospirillum halorespirans (accession no. AAG46194).