Table 1

Characteristics of Sme efflux transporters in S. maltophilia K279a

Systematic ID

Name

Known or putative regulation mechanism

Closest match to a known antimicrobial efflux protein

Smlt4474-4476

SmeABC

Two component regulator (SmeSR, Smlt4477-8)

S. maltophilia SmeABC [20]

Smlt4070-4072

SmeDEF

Tet-R type (SmeT, Smlt4073)

S. maltophilia SmeDEF [17,22]

Smlt1829-1833

SmeVWX

LysR type (Smlt1827)

51%, 56% and 48% amino acid identity, respectively, to P. aeruginosa MexEF-OprN [64]

Smlt2201-2202

SmeYZ

Two component regulator (Smlt2199-30)

44% and 59% amino acid identity, respectively, to AdeAB of A. baumanii [65]

Smlt3170-3171

SmeGH

TetR type (Smlt3169)

39% and 49% amino acid identity, respectively, to AcrAB of M. morganii [66]

Smlt3788-3787

SmeMN

?

<30% identity to other known antimicrobial efflux proteins

Smlt3925-3924

SmeOP

TetR type (Smlt3926)

<30% identity to other known antimicrobial efflux proteins

Smlt4279/4281

SmeIJK

?

41%, 50% and 44% amino acid identity, respectively, to MtdABC of E. coli [25]

Crossman et al. Genome Biology 2008 9:R74   doi:10.1186/gb-2008-9-4-r74