>sp|C1FVT4|RS21_CLOBJ Small ribosomal subunit protein bS21 OS=Clostridium botulinum (strain Kyoto / Type A2) OX=536232 GN=rpsU PE=3 SV=1 MSEIKVGENESLENALRRFKKKCARAGVLSEVRKREHYEKPSVKKKKKSEAARKRKFK