Table 1.

Comparison of E. coli and B. subtilis Tat proteins and Tat complexes including their estimated molecular masses (kDa)

E. coli				B. subtilis
Protein/complex	Gene product molecular mass (kDa)	Complex molecular mass (kDa)	Ref.	Protein/complex	Gene product molecular mass (kDa)	Complex molecular mass (kDa)	Ref.
TatA	9.6	100–500	[114]	TatAd	7.4	160/270	[77]
				TatAy	6	200	[159]
TatE	7		[43]	TatAc	6.7	100	[78]
TatB	18.4	< 100	[111]
TatC	28.9	220	[111]	TatCd	28	66–100	[78]
				TatCy	28.9	66	[78]
TatBC		430	[111]	TatAdCd		230/350	[77]
TatABC		580	[104]	TatAyCy		200	[159]
TatABC + substrate		600	[104]	TatAcCd		230	[78]
				TatAcCy		200	[78]