Table 3. Sequence conservation of H₂O₂ resistance proteins among Bacillus species.

Function	Protein	% identity Bp vs. Bs	% identity Bp vs. Bl	% identity Bs vs. Bl
Catalase
	KatX1 (YxlI)1	82	74	74
	KatX21	47	48	74
	YjqC	79	64	62
	Mn-catalase2	25	24	78
Redox Proteins
	BsaA	69	68	69
	Tpx	85	84	86
	TrxA	92	93	97
	TrxB	90	88	91
	YcgT	51	46	39
	YgaF	82	81	85
	YkuU	96	97	98
Organic hydroperoxide
	OhrA	73	61	72
	OhrB	72	78	76
	OhrR	70	69	65
Transcription factors
	PerR	93	92	91
	SigM (YhdM)	91	91	96
	SigB (RpoF)	87	84	86
	Spx (YjbD)	92	93	93
Other
	DpsA (YktB)	82	82	78
Superoxide resistance
	BcrC (YwoA)	50	47	60
	SodA	87	87	89
	SodF	56	60	66
	YojM	42	47	57
	YqjL	42	56	57

¹blastp vs. KatX.

²blastp vs. YdbD.