si_0161 YgjD_and_YeaZ Inactive homolog of metal-dependent proteases, putative molecular chaperone si_0161 YgjD_and_YeaZ YgjD/Kae1/Qri7 family, required for threonylcarbamoyladenosine (t(6)A) formation in tRNA si_0161 YgjD_and_YeaZ p53-regulating protein kinase (human PRPK/yeast YGR262c)