>sp|A2BRS2|BIOB_PROMS Biotin synthase OS=Prochlorococcus marinus GN=bioB MINSNNQVLSEIRFDWNKKEILEILNMPLIDLMWESQIVHRKFNSYNIQLASLFSVKTGG CEENCSYCSQSIYSASEIKSHPQFQVEEVLARAKIAKNEGADRFCMGWAWREIRDGKSFN AMLEMVSGVRDLGMEACVTAGMLTEEQASRLADAGLTAYNHNLDTSPEHYKNIITTRTYQ DRLDTIKRVRNAGINVCCGGIIGLGETNGDRASLLEVLSNMNPHPESVPINSLVAIEGTG LEDNQEIDSIEMIRMIATARILMPKSKIRLSAGREKLSKEAQILCFQCGANSIFYGDELL TTSNPSFQSDRKLLKEVGVSFNKDFETCEKTLSSL