Sporulation initiation phosphotransferase B Stage 0 sporulation protein D 192 BSU27930 SP0B_BACSU Key element in the phosphorelay regulating sporulation initiation. Acts on spo0A. Mediates reversible phosphoryl transfer from spo0F to spo0A. Stage 0 sporulation protein B spo0B spo0D MKDVSKNQEENISDTALTNELIHLLGHSRHDWMNKLQLIKGNLSLQKYDRVFEMIEEMVIDAKHESKLSNLKTPHLAFDFLTFNWKTHYMTLEYEVLGEIKDLSAYDQKLAKLMRKLFHLFDQAVSRESENHLTVSLQTDHPDRQLILYLDFHGAFADPSAFDDIRQNGYEDVDIMRFEITSHECLIEIGLD