subunit of the regulatory iron-sulfur containing [[protein|EE52DFA35B935E551871D079A9BE877DB2001A3B]]-[[protein|6C9A092F38739A3759793EF8B496569CD02C2E3F]]-[[protein|EBD15C174A03B7FCDFFE4C5DB5D86E93F1B9CAC4]] complex, required for [[protein|872CCB5A49C9000BD95E4B0472556D5F60F7D7A4|RNase Y]] dependent maturation of polycistronic mRNAs, control of the [SW|phosphorelay], required for the achieving a sufficient level of [[protein|2C54FE2ADC82FF414D732018C90649D477A925AD]]-P for [SW|sporulation] initiation