Diffraction image of protein crystal. Hen egg lysozyme, P4<sub>3</sub>2<sub>1</sub>2, a=b 7.872 nm, c 3.683 nm, α=β=γ 90°.
<a href="//commons.wikimedia.org/wiki/User:Del45" title="User:Del45">Del45</a>
<span class="int-own-work" lang="en">Own work</span>