>tr|A0AAU7NJA5|A0AAU7NJA5_PEDPE Small ribosomal subunit protein bS21 OS=Pediococcus pentosaceus CGMCC 7049 GN=rpsU MSKTVVRKNESLDDALRRFKRTVSKSGTLQEYRKREFYEKPSVKRKLKSEAARKRKNKKR F