MSATASVATRHDWSLAEVRALFEQPFNDLLFQAQTVHRAYFDPNRVQVSTLLSIKTGACPEDCKYCPQSGHYNTGLDKEKLMEVQKVLEAAAEAKAIGSTRFCMGAAWKHPSAKDMPYVLEMVKGVKKLGLETCMTLGRLTQEQTQALADAGLDYYNHNLDTSPEFYGNIITTRTYSERLQTLAYVREAGMKICSGGILGMGESVDDRAGLLIQLANLPEHPESVPINMLVKVKGTPLAEEKDVDPFDFIRTLAVARIMMPKSHVRLSAGREQMNEQMQALAFMAGANSIFYGEKLLTTKNPQAEKDMQLFARLGIKPEEREEHADEVHQAAIEQALVEQRESKLFYNAASA bioB 352 Biotin synthase PA14_06500 Catalyzes the conversion of dethiobiotin (DTB) to biotin by the insertion of a sulfur atom into dethiobiotin via a radical- based mechanism (By similarity). BIOB_PSEAB