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Figure 1 | Journal of Nanobiotechnology

Figure 1

From: Encapsulation of gold nanoparticles into self-assembling protein nanoparticles

Figure 1

Computer models for the encapsulation of GNPs into SAPNs. (a) The sequence of P6c protein. (b) The sequence of P11c protein. (c) Computer model of the T = 3 icosahedral SAPN formed by self-assembling 180 P6c protein chains. The central cavity has a size of approximately 10 nm. The thickness of the protein shell is about 9 nm. Blue: trimeric coiled-coil domain. Green: pentameric coiled-coil domain. The his-tag is not shown. (d) Computer model of the encapsulation of gold nanoparticle by the P6c SAPN. Blue: trimeric coiled-coil domain. Green: pentameric coiled-coil domain. The his-tag is not shown. The size of the gold nanoparticle is around 10 nm (golden-colored ball in the center). (e) The zoom-in model of the side chains from arginine residues (R61 in P6c). These side chains results in a highly positively charged central cavity, and they might have interactions with GNPs.

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