>sp|Q3SLY0|BIOB_THIDA Biotin synthase OS=Thiobacillus denitrificans GN=bioB MNDMTPPVPRRSVSEIEALFALPFADLMYQAQGVHRAHFDPNRIQLSTLLSIKTGGCSED CGYCPQSVHYDAGVESQGLLDLGDVLKAARAAKDAGASRFCMGAAWRGPKQRELEPVLAM VREVKALGLETCATLGMLKDGQAEQLKEAGLDYYNHNLDTAPEFYGEIITTRDYQDRLDT LERVRRADLHVCCGGIVGMGESRTQRAGLIAQLAALDPQPESVPINLLVRVEGTPLAETE ALEPLEFVRTIAVTRLCMPKSFVRLSAGRQQMSDAVQALCFLAGANSIFYGEKLLTTGNP EWERDQRLFDSLGVTAL