A Metal Organic Framework with Spherical Protein Nodes: Rational Chemical Design of 3D Protein Crystals.
Sontz, P.A., Bailey, J.B., Ahn, S., Tezcan, F.A.(2015) J Am Chem Soc 137: 11598-11601
- PubMed: 26305584
- DOI: https://doi.org/10.1021/jacs.5b07463
- Primary Citation of Related Structures:
5CMQ, 5CMR - PubMed Abstract:
We describe here the construction of a three-dimensional, porous, crystalline framework formed by spherical protein nodes that assemble into a prescribed lattice arrangement through metal-organic linker-directed interactions. The octahedral iron storage enzyme, ferritin, was engineered in its C3 symmetric pores with tripodal Zn coordination sites. Dynamic light scattering and crystallographic studies established that this Zn-ferritin construct could robustly self-assemble into the desired bcc-type crystals upon coordination of a ditopic linker bearing hydroxamic acid functional groups. This system represents the first example of a ternary protein-metal-organic crystalline framework whose formation is fully dependent on each of its three components.
Organizational Affiliation:
Department of Chemistry and Biochemistry, University of California, San Diego , 9500 Gilman Drive, La Jolla, California 92093, United States.