>3WYE_1|Chains A, B|Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming],L-2,3-butanediol dehydrogenase,Diacetyl reductase [(S)-acetoin forming]|Klebsiella pneumoniae (573) MKKVALVTGAGQGIGKAIALRLVKDGFAVAIADYNDATAKAVASEINQAGGHAVAVKVDVSDRDQVFAAVEQARKTLGGFDVIVNNAGIAQIKPLLEVTEEDLKQIYSVNVFSVFFGIQAAVEAFKKEGHGGKIINAASIAAIQGFPILSAYSTTKFAVRGLTQTAARDLAPLGITVNGYCPGIVGTGMWEQIDAELSKINGKPIGENFKEYSSSIALGRPSVPEDVAGLVSFLASPDSDYMTGQSLLIDGGMVFN