SDS-PAGE of HCP spiking experiment.

<p>Silver-staining. Lanes: (1) mAb04c, standard; (2) mother liquor with mAb04c and lysozyme; (3) washed mAb04c crystals from mother liquor with lysozyme; (4) the supernatant from the crystallization with lysozyme; (5) mother liquor with mAb04c and BSA; (6) washed mAb04c crystals from mother liquor with BSA; (7) the supernatant from the crystallization with BSA.