Organism
Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37)
Function
LAC12 mediates the transport of lactose and it would appear that the permease works in part by a proton symport mechanism.
Similarity
Belongs to the major facilitator superfamily. Sugar transporter (TC 2.A.1.1) family.
Sequence
MADHSSSSSSLQKKPINTIEHKDTLGNDRDHKEALNSDNDNTSGLKINGVPIEDAREEVLLPGYLSKQYYKLYGLCFITYLCATMQGYDGALMGSIYTEDAYLKYYHLDINSSSGTGLVFSIFNVGQICGAFFVPLMDWKGRKPAILIGCLGVVIGAIISSLTTTKSALIGGRWFVAFFATIANAAAPTYCAEVAPAHLRGKVAGLYNTLWSVGSIVAAFSTYGTNKNFPNSSKAFKIPLYLQMMFPGLVCIFGWLIPESPRWLVGVGREEEAREFIIKYHLNGDRTHPLLDMEMAEIIESFHGTDLSNPLEMLDVRSLFRTRSDRYRAMLVILMAWFGQFSGNNVCSYYLPTMLRNVGMKSVSLNVLMNGVYSIVTWISSICGAFFIDKIGRREGFLGSISGAALALTGLSICTARYEKTKKKSASNGALVFIYLFGGIFSFAFTPMQSMYSTEVSTNLTRSKAQLLNFVVSGVAQFVNQFATPKAMKNIKYWFYVFYVFFDIFEFIVIYFFFVETKGRSLEELEVVFEAPNPRKASVDQAFLAQVRATLVQRNDVRVANAQNLKEQEPLKSDADHVEKLSEAESV