>sp|A8GBC5|BIOB_SERP5 Biotin synthase OS=Serratia proteamaculans (strain 568) OX=399741 GN=bioB PE=3 SV=1 MADRIHWTVGLAQTLFDKPLLELLFEAQTVHRQHFDPRQVQVSTLLSIKTGACPEDCKYC PQSSRYKTGLESERLMQVEQVLESARKAKANGSTRFCMGAAWKNPHERDMPYLQQMVQGV KAMGMETCMTLGTLDGTQAERLADAGLDYYNHNLDTSPEFYGNIITTRSYQERLDTLGKV RGAGIKVCSGGIVGLGETVRDRAGLLVQLANLPTPPESVPINMLVKVKGTPLADNEDVDP FDFIRTIAVARIMMPASYVRLSAGREQMNEQTQAMCFMAGANSIFYGCKLLTTPNPEEDK DLQLFRKLGLNPQQTETEHGDNQQQQALAAQLMQADTAEFYNAAL