>sp|Q3J9D5|BIOB_NITOC Biotin synthase OS=Nitrosococcus oceani GN=bioB MTYFPPAAEICDSPRHDWSIPEVLALFELPFVELIYRAQTVHRQHFNPNQVQMSTLLSIK TGGCPEDCAYCPQSVRYSTPVKAEPLLPLEEVLTAARNAKARGASRFCMGAAWRRLKERE LEPVAKMITEVKALGLETCVTLGMLGPGQAERLKAAGLDYYNHNLDTSPEFYGEIITTRT YQDRLETLSQVREAGIHVCCGGIVGMGEERSDRAGLLANLANLPRHPESVPINRLVQVEG TPLAGAPELDPFEFVRTVACARILMPASFVRLSAGRETMSDELQALCFLAGANSIFYGEK LLTTPNPTTDHDQQLFERLGLELLFPQAQVAAPVPEADEVGSASG