Protein
Solvent-resistant pump membrane transporter SrpB
Organism
Pseudomonas putida
Function
The inner membrane transporter component of an organic solvent efflux pump. Involved in export of a number of low log POW compounds including hexane (log POW 3.5), toluene (log POW 2.5) and dimethylphthalate (log POW 2.3). The solvent resistance phenotype has been postulated to depend on the operon expression level.
Similarity
Belongs to the resistance-nodulation-cell division (RND) (TC 2.A.6) family.
Sequence
MSRFFIDRPIFAWVLAIVAMLAGALSLAKMPISQYPNIAAPAVSIQVSYPGASAQTVQDTVVQVIEQQLSGLDGFRYMSAESASDGSMTIIVTFEQGTDPDIAQVQVQNKLQLATPRLPEEVQRQGLRVVKYQMNFFLVMSLVDRSGKLDNFDLGNLIASQLQDPISRIPGVGDFQLFGSPYAMRIWLDPGKLNSYQLTPTDVASAIREQNVQVSSGQLGGLPTRSGVQLNATVLGKTRMTTPSQFDEILVKVNPDGSQVRVKDVGRAELGADSFAISAQYKDSPTASLALRLSTGGNLLETVDAVKKLMEQQKAYLPDGVEVIYPYDTTPVVEASIESVVHTIFEAVVLVFLVMYLFLQSFRATLIPTLAVPVVLLATFALLPYFGLNINVLTMYAMVLAIGLLVDDAIVVVENVERLMHDEGLSPLEATRKSMDQISGALVGIGMVLSAVFVPMAFFGGSAGIIYQQFAITIVVCMGLSILVALVFTPALCVTILKAPEGNSHHERKGFFGWFNRIFDRGTRRFERGVGAMLKGRGRYLLAFLLITGGTGYLFTQIPKAFLPNEDQGLMMIEVRTPANASAERTEGVLQEVRDYLANDEGALVEHFMTVNGFNFAGRGQNSGLVLITFKDWKERHGAGQDVFSIAQRANQHFAKIKDASVMAFVPPAILEMGNAMGFNLYLQDNLGLGHEALMAARNQFLQLASQNPKLQAVRPNGKDDEPQFQVNIDDEKARALQVSIASINETMSAAWGSMYVNDFIDRGRVKRVYVQGEDISRISPEDFDKWYVRNSLGQMVPFSAFATGEWVNGSPKLERYGGISSLNILGEPAPGYSTGDAMIAIAEIMQQLPAGIGLSYTGLSYEEIQTGDQAPLLYALTVLIVFLCLAALYESWSVPVSVIMVVPLGILGAVLATLWRDLTADVYFQVGLMTTVGLSAKNAILIVEFAKELYEKEGYPIVKAAIEAAKLRLRPILMTSLAFTFGVLPMAIASGAGAGSQHSIATGVVGGMITATVLAVFFVPLFYVVVVKLFEGLMKRKPNAVKEVTHEV