>tr|A0A0R1YJ28|A0A0R1YJ28_9LACO Small ribosomal subunit protein bS21 OS=Lactobacillus hamsteri DSM 5661 = JCM 6256 GN=rpsU MAKTIVHENESIDDALRRFKRSVSRSGTLQEYRKREFYEKPSVRRKLKSEAARKRRHY