5HRZ

Computationally Designed Trimer 1na0C3_3

Summary for 5HRZ

• Entry DOI: 10.2210/pdb5hrz/pdb
• Descriptor: TPR domain protein 1na0C3_3 (2 entities in total)
• Functional Keywords: protein design, designed oligomeric interface, de novo protein
• Biological source: synthetic construct
• Total number of polymer chains: 1
• Total formula weight: 14705.20

Authors

Cascio, D.,McNamara, D.E.,Fallas, J.A.,Baker, D.,Yeates, T.O. (deposition date: 2016-01-24, release date: 2017-04-12, Last modification date: 2023-09-27)

Primary citation

Fallas, J.A.,Ueda, G.,Sheffler, W.,Nguyen, V.,McNamara, D.E.,Sankaran, B.,Pereira, J.H.,Parmeggiani, F.,Brunette, T.J.,Cascio, D.,Yeates, T.R.,Zwart, P.,Baker, D.
Computational design of self-assembling cyclic protein homo-oligomers.
Nat Chem, 9:353-360, 2017

PubMed Abstract: Self-assembling cyclic protein homo-oligomers play important roles in biology, and the ability to generate custom homo-oligomeric structures could enable new approaches to probe biological function. Here we report a general approach to design cyclic homo-oligomers that employs a new residue-pair-transform method to assess the designability of a protein-protein interface. This method is sufficiently rapid to enable the systematic enumeration of cyclically docked arrangements of a monomer followed by sequence design of the newly formed interfaces. We use this method to design interfaces onto idealized repeat proteins that direct their assembly into complexes that possess cyclic symmetry. Of 96 designs that were characterized experimentally, 21 were found to form stable monodisperse homo-oligomers in solution, and 15 (four homodimers, six homotrimers, six homotetramers and one homopentamer) had solution small-angle X-ray scattering data consistent with the design models. X-ray crystal structures were obtained for five of the designs and each is very close to their corresponding computational model.

PubMed: 28338692
DOI: 10.1038/nchem.2673

Experimental method

X-RAY DIFFRACTION (2.15 Å)