>tr|A0A4Y8CR09|A0A4Y8CR09_9BACT Small ribosomal subunit protein bS21 OS=Campylobacter sp. CH185 GN=rpsU MPGIKVHPNESFDEAYRKFKKQVDRNLVVTEVRARRFFEPMTEIRKKQKISARKKMLKRL YMLRRYESRL