>sp|A1U4B2|BIOB_MARN8 Biotin synthase OS=Marinobacter nauticus GN=bioB MTATATRHDWTLQEARELFNLPFNDLLFRAQSIHREHFDPNEVQVSTLLSIKTGACPEDC KYCPQSGHYNTGLEKEKLLEIEKVVAEARVAREKGASRFCMGAAWRSPSKKDMPYVLDMV RQVKSLGLETCMTLGMLKEEEAKELADAGLDYYNHNLDTSEKYYNHIITTRTYQDRLDTL DNVRKAGMKVCCGGIMGMGEDEDDRVGLLVQLANLPQHPESVPVNMLVKVKGTPLEDVED LDPFDFIRIIAVARIMMPASHVRLSAGREQMNEQMQALCFMAGANSIFYGEKLLTTSNPE ADADMQLFRKLGIRPEQREQCATEEQEEEAIAEAVEYEATRHMFYDATRESA