National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)
GM103310
米国
引用
ジャーナル: ACS Nano / 年: 2019 タイトル: Engineering the PP7 Virus Capsid as a Peptide Display Platform. 著者: Liangjun Zhao / Mykhailo Kopylov / Clinton S Potter / Bridget Carragher / M G Finn / 要旨: As self-assembling polyvalent nanoscale structures that can tolerate substantial genetic and chemical modification, virus-like particles are useful in a variety of fields. Here we describe the ...As self-assembling polyvalent nanoscale structures that can tolerate substantial genetic and chemical modification, virus-like particles are useful in a variety of fields. Here we describe the genetic modification and structural characterization of the Leviviridae PP7 capsid protein as a platform for the presentation of functional polypeptides. This particle was shown to tolerate the display of sequences from 1 kDa (a cell penetrating peptide) to 14 kDa (the Fc-binding double Z-domain) on its exterior surface as C-terminal genetic fusions to the coat protein. In addition, a dimeric construct allowed the presentation of exogenous loops between capsid monomers and the simultaneous presentation of two different peptides at different positions on the icosahedral structure. The PP7 particle is thereby significantly more tolerant of these types of polypeptide additions than Qβ and MS2, the other Leviviridae-derived VLPs in common use.
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登録構造単位
Af: Coat protein A: Coat protein B: Coat protein C: Coat protein D: Coat protein E: Coat protein F: Coat protein G: Coat protein H: Coat protein I: Coat protein J: Coat protein K: Coat protein L: Coat protein M: Coat protein N: Coat protein O: Coat protein P: Coat protein Q: Coat protein R: Coat protein S: Coat protein T: Coat protein V: Coat protein W: Coat protein X: Coat protein Y: Coat protein Z: Coat protein AA: Coat protein BA: Coat protein CA: Coat protein DA: Coat protein EA: Coat protein FA: Coat protein GA: Coat protein HA: Coat protein IA: Coat protein JA: Coat protein KA: Coat protein LA: Coat protein MA: Coat protein NA: Coat protein OA: Coat protein PA: Coat protein QA: Coat protein RA: Coat protein SA: Coat protein TA: Coat protein UA: Coat protein VA: Coat protein WA: Coat protein XA: Coat protein YA: Coat protein ZA: Coat protein AB: Coat protein BB: Coat protein CB: Coat protein DB: Coat protein EB: Coat protein FB: Coat protein GB: Coat protein HB: Coat protein IB: Coat protein JB: Coat protein KB: Coat protein LB: Coat protein MB: Coat protein NB: Coat protein OB: Coat protein PB: Coat protein QB: Coat protein RB: Coat protein SB: Coat protein TB: Coat protein UB: Coat protein VB: Coat protein WB: Coat protein XB: Coat protein YB: Coat protein ZB: Coat protein AC: Coat protein BC: Coat protein CC: Coat protein DC: Coat protein EC: Coat protein FC: Coat protein GC: Coat protein HC: Coat protein IC: Coat protein JC: Coat protein KC: Coat protein LC: Coat protein MC: Coat protein NC: Coat protein OC: Coat protein PC: Coat protein QC: Coat protein RC: Coat protein SC: Coat protein TC: Coat protein UC: Coat protein VC: Coat protein WC: Coat protein XC: Coat protein YC: Coat protein ZC: Coat protein AD: Coat protein BD: Coat protein CD: Coat protein DD: Coat protein ED: Coat protein FD: Coat protein GD: Coat protein HD: Coat protein ID: Coat protein JD: Coat protein KD: Coat protein LD: Coat protein MD: Coat protein ND: Coat protein OD: Coat protein PD: Coat protein