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. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: J Insect Physiol. 2011 Feb 17;57(5):620–627. doi: 10.1016/j.jinsphys.2011.02.003

Figure 2.

Figure 2

Three-dimensional structure prediction of the conserved RNA recognition motif (RRM) component in Cupip-CPO (aa86 - aa174 in Fig.1) indicates that it is a typical βαββαβ topological structure. Blue and purple arrows indicate an anti-parallel β-sheet consisting of four β-strands pointing from N-terminal to C-terminal. Orange and green helices are α-helices and the gray threads indicate connecting coil loops. From the front, the order of the β-sheets is β4β1β3β2 from left to right. β1 and β3 are conserved RNP2 and RNP1 motifs respectively and form the major RNA recognition site. Three conserved residues in β1 and β3 are labeled Phe5, Val46 and Phe48. Predicted by Protein Homology/analogY Recognition Engine (PHYRE) and viewed by Deep View / SWISS-Pdb Viewer v4.0.1.