>tr|A0A2X2HGA1|A0A2X2HGA1_9GAMM Biotin synthase OS=Serratia quinivorans GN=bioB MADRIHWTVGLAQTLFDKPLLELLFEAQTVHRQHFDPRQVQVSTLLSIKTGACPEDCKYC PQSSRYKTGLESERLMQVEQVLESARKAKANGSTRFCMGAAWKNPHERDMPYLQQMVQGV KAMGMETCMTLGTLDGTQAERLADAGLDYYNHNLDTSPEFYGNIITTRSYQERLDTLGKV RGAGIKVCSGGIVGLGETVRDRAGLLVQLANLPTPPESVPINMLVKVKGTPLADNEDVDP FDFIRTIAVARIMMPASYVRLSAGREQMNEQTQAMCFMAGANSIFYGCKLLTTPNPEEDK DLQLFRKLGLNPQQTETEHGDNQQQQALAAQLMQADTAEFYNAAL