>4NX1_1|Chains A, B|C4-dicarboxylate transport system substrate-binding protein|Sulfitobacter sp. NAS-14.1 (314267) MHHHHHHSSGVDLGTENLYFQSMETVLRGASMFDEEHAFTKTLRKFEELVDEKYDGDVTFDLRLNGELGVESDYVTFLNQGVAIDYTILAPSNMAKFAPSIPLMDMPFLFRDLDHWNAVLSSDVLAPLEDELLEKADIKIVGYTGGGTRNLLSKQPVVTFDDLKGHKMRVMGAPIQAQIFQALTAAPSAIAYNEVYNAIQTGVIAGFENEAASIQNLKFYEVAPNLTLTRHSITVRPIVMSGKTFNSLPADLQAVVLEAGEEAGAYGRELESREDGVKLQEMVDAGQLTVSEFENRDKMLEMVKPVQDAYAAEIGASDLLEAVRAK