Sequence alignment between 2wdg(I) and UniProt seq P62669 (RS9_THET2):

P62669 (RS9_THET2): Small ribosomal subunit protein uS9 from Thermus thermophilus (strain ATCC BAA-163 / DSM 7039 / HB27)
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         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
UniProt: MEQYYGTGRRKEAVARVFLRPGNGKVTVNGQDFNEYFQGLVRAVAALEPLRAVDALGRFDAYITVRGGGKSGQIDAIKLGIARALVQYNPDYRAKLKPLGFLTRDARVVERKKYGKHKARRAPQYSKR
PDB seq: -EQYYGTGRRKEAVARVFLRPGNGKVTVNGQDFNEYFQGLVRAVAALEPLRAVDALGRFDAYITVRGGGKSGQIDAIKLGIARALVQYNPDYRAKLKPLGFLTRDARVVERKKYGKHKARRAPQYSKR
          --------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
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