>sp|Q3J561|BIOB_CERS4 Biotin synthase OS=Cereibacter sphaeroides GN=bioB MIRPALRTDWTLEEARAIHALPFPELMHRAQTLHRAHFDPTAIETASLLSIKTGGCPEDC GYCSQSAHHDTGVKATKLMGTEEVLAAARRAKAAGAQRFCMGAAWRSPKDRDMDRLCDMV RGVADLGLETCMTLGMLSPGQVARLKAAGLDFYNHNIDTSPAYYARIASTRTMEDRLETV EQVRRGGIKVCCGGILGMGEAEEDRIALLVTLATLPAHPDSVPVNLWNEIEGVPVQGRAQ AVDPFALVRIVALARILMPASVVRLSAGRTEMSDELQALCFLAGANSIFVGDQLLTTGNP AAWKDRDLLSRLGLHVAPARARPPVAAD