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. 2013 Sep 30;5(1):31–48. doi: 10.1002/wrna.1195

Figure 1.

Figure 1

Domain structures of ribonuclease III (RNase III) family polypeptides. Domain key: RIII (gray), RNase III domain; dsRBD (light blue), dsRNA-binding domain; PR (orange), proline-rich domain; RS (Blue), arginine/serine-rich domain; DExD/H (blue), helicase domain; DUF (brown), DUF283 domain; PF (green), platform domain; PAZ (purple), PAZ domain; C2H2 (pink): C2H2 Zinc finger domain; PUF (yellow), Pumilio/FBF homology domain. The blue double-headed arrow between the PAZ and RIIIa domains of human and giardia Dicer indicates the dsRNA ‘measuring’ segment. The parentheses in the PUF domain of mRPN1 indicate that the identity of the domain has not been confirmed. For RNC1, the red letters ‘X’ refer to inactivating point mutations of catalytic site residues. Diagrams are not to scale.