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7pcr is a 1 chain structure with sequence from Helicobacter pylori 26695. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
RNJ_HELPY An RNase that has 5'-3' exonuclease and possibly endoonuclease activity. Involved in maturation of mRNA but apparently not rRNA (By similarity).