6k6w is a 4 chain structure with sequence from Staphylococcus epidermidis ATCC 12228. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
RNJ2_STAES An RNase that has 5'-3' exonuclease and possibly endoonuclease activity. Involved in maturation of rRNA and in some organisms also mRNA maturation and/or decay (By similarity).