Regulates the coordinate transcription of structural MAL6S (maltase) and MAL6T (maltose permease) genes. MAL63 473 MAL63_YEASX Maltose fermentation regulatory protein MAL63 MAL6R MGIAKQSCDCCRVRRVKCDRNKPCNRCIQRNLNCTYLQPLKKRGPKSIRAGSLKKIAEVQMVSMNNNIMAAPVVCKKVPKNLIDQCLRLRLYHDNLYVIWPMLSYDDLHKLLEEKYDDRCAYWFLVSLSAATLSDLQIEIEYEEGVTFTGEQLCTLCMLSRQFFDDLSNSDIFRIMTYYCLHRCYAQFADTRTSYRLSCEAVGLIIKIAGFHREETYEFLPFGEQQLRRKVYYLLLMTERFYAVYIKCVTSLDATIAPPLPEVVTDPRLSLESFLEVIRVFTIPGKCFYDALATNCVDDSCTEDSLKRIRNELHTTSLDIEPWSYGYIDFLFSRHWVRTLAWKLVLHMKGMRMNFLSNTNNTHIPVEIARDMLGDTFLTPKNLYDVHGPGIPMKALEIANALVDVVNKYDHNMKLEAWNVLYDVSKFVFSLKHCNNKMFDRFSTKCQGALITLPISKPLQLNDNSKDEDDIIP