>tr|A0A0A8GZ43|A0A0A8GZ43_9BACT Small ribosomal subunit protein bS21 OS=Campylobacter sp. RM16704 GN=rpsU MPGIKVHPNESFDEAYRKFKKQVDRNLVVTEVRARRFFEPMTEIRKKQKISARKKMLKRL YMLRRYESRL