>sp|C6C0T2|BIOB_MARSD Biotin synthase OS=Maridesulfovibrio salexigens GN=bioB MDRNEKQALWNAVHGGGAIDEHTAVSVLGASHGELAEILHAAHTMTMRRFGREVSLCSIA NVRSGNCSEDCTFCAQSSHFKGTPAPAYPLMSVEEIRDCAEKAGQSPLEFFSYVTSGRAL KGKSLDHVCEAVDGMRERSFNHCASLGCLDFESLKKLHESGVVRYHHNLEAAESYFPNVC TTHSYEERVRTVRDAKKAGLEVCCGGLLGLGESHQQRVELALALAELEVDSIPLNFLIPI PGTPLENVEPLQPLEILLTIAMFRLVNPHAEVRMAAGRAALRSLQSFIFHAGCNGLMVGD FLTVSGQGIDHDLTMLEDLGLTVRTKK