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Figure 4
Preliminary diffraction and electron microscopy images from ex vivo purified α-crustacyanin. (a) Diffraction image extending to 6.3 Å resolution; the inset shows a mounted blue crystal on a nylon loop before data collection. (b) Representative micrograph of negative stain at a defocus of −1.5 µm. (c) Cryo-EM micrograph at a defocus of −1.2 µm. The largest particles are roughly 45 nm in length. |

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