>sp|Q7V6T8|BIOB_PROMM Biotin synthase OS=Prochlorococcus marinus GN=bioB MTVLIAKDLTFEPVVHRYDWTVDEVRELLERPLMDLLWQAQLVHRTANPGYRVQLASLLS VKTGGCQEDCAYCPQSMHNSSDVEGQPDLVVQIQTVLERARAAKDAGADRFCMGWAWREI RDGAQFEAMLAMVSGVRELGLEACVTAGMLTEKQASRLADAGLTAYNHNLDTSPEYYDQI ITTRTYQERIETLQKVRSAGITLCCGGIIGMGESTVDRASLLCVLANINPHPESVPINGL VAVEGTPLQDLPAVDPLEMVRMVATARILMPRSRVRLSAGREQLGREAQILCLQAGADSI FYGDSLLTTSNPDVKTDRELLSQAGVHANWEESDE