>sp|P22872|CRTB_PSEVU Phytoene synthase OS=Pseudescherichia vulneris GN=crtB MSQPPLLDHATQTMANGSKSFATAAKLFDPATRRSVLMLYTWCRHCDDVIDDQTHGFASE AAAEEEATQRLARLRTLTLAAFEGAEMQDPAFAAFQEVALTHGITPRMALDHLDGFAMDV AQTRYVTFEDTLRYCYHVAGVVGLMMARVMGVRDERVLDRACDLGLAFQLTNIARDIIDD AAIDRCYLPAEWLQDAGLTPENYAARENRAALARVAERLIDAAEPYYISSQAGLHDLPPR CAWAIATARSVYREIGIKVKAAGGSAWDRRQHTSKGEKIAMLMAAPGQVIRAKTTRVTPR PAGLWQRPV