Fig. 4: Recognition of the piRNA 5′ end. | Nature Communications

Fig. 4: Recognition of the piRNA 5′ end.

From: Crystal structure of Drosophila Piwi

Fig. 4

a–c Guide RNA recognitions by Piwi a, Siwi (PDB: 5GUH) b, and hAgo2 (PDB: 4W5O) c (stereo view). The zinc and magnesium ions are shown as magenta spheres in a and b, respectively. Hydrogen bonds and electrostatic interactions are indicated by cyan dashed lines.

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