>sp|A7IK06|RS18_XANP2 Small ribosomal subunit protein bS18 OS=Xanthobacter autotrophicus GN=rpsR MAFAQSGGAGGGGGQRRPFFRRRKTCPFSGPNAPKIDYKDVRLLQRYISERGKIVPSRIT AVSAKKQRELSAAIKRSRFLGLLPFVIR