Comparative analysis of the capsid structures of AAVrh. 10, AAVrh. 39, and AAV8

…, P Chipman, J Xie, N Bhattacharya, D Sousa… - Journal of …, 2020 - Am Soc Microbiol
Adeno-associated viruses (AAVs) from clade E are often used as vectors in gene delivery
applications. This clade includes rhesus isolate 10 (AAVrh.10) and 39 (AAVrh.39) which, …

Ab initio resolution measurement for single particle structures

D Sousa, N Grigorieff - Journal of structural biology, 2007 - Elsevier
A computational method is described that allows the measurement of the signal-to-noise
ratio and resolution of a three-dimensional structure obtained by single particle electron …

[HTML][HTML] The 2.8 Å electron microscopy structure of adeno-associated virus-DJ bound by a heparinoid pentasaccharide

Q Xie, JM Spear, AJ Noble, DR Sousa… - … Therapy Methods & …, 2017 - cell.com
Atomic structures of adeno-associated virus (AAV)-DJ, alone and in complex with fondaparinux,
have been determined by cryoelectron microscopy at 3 Å resolution. The gene therapy …

Mechanism of ribosome rescue by ArfA and RF2

…, R Diaz-Avalos, T Grant, N Grigorieff, D Sousa… - Elife, 2017 - elifesciences.org
10.7554/eLife.23687.001 ArfA rescues ribosomes stalled on truncated mRNAs by recruiting
release factor RF2, which normally binds stop codons to catalyze peptide release. We report …

Three-dimensional structure of C complex spliceosomes by electron microscopy

MS Jurica, D Sousa, MJ Moore… - Nature structural & …, 2004 - nature.com
The spliceosome is a multimegadalton RNA-protein machine that removes noncoding
sequences from nascent pre-mRNAs. Recruitment of the spliceosome to splice sites and …

Structural insights into human bocaparvoviruses

…, K Kantola, ME Janssen, J Spear, D Sousa… - Journal of …, 2017 - Am Soc Microbiol
Bocaparvoviruses are emerging pathogens of the Parvoviridae family. Human bocavirus 1 (HBoV1)
causes severe respiratory infections and HBoV2 to HBoV4 cause gastrointestinal …

Cryo-EM structures of the actin: tropomyosin filament reveal the mechanism for the transition from C-to M-state

DR Sousa, SM Stagg, ME Stroupe - Journal of molecular biology, 2013 - Elsevier
Tropomyosin (Tm) is a key factor in the molecular mechanisms that regulate the binding of
myosin motors to actin filaments (F-Actins) in most eukaryotic cells. This regulation is …

[HTML][HTML] Protease-activatable adeno-associated virus vector for gene delivery to damaged heart tissue

…, M Yamagami, S Kwon, N Bhattacharya, D Sousa… - Molecular Therapy, 2019 - cell.com
Adeno-associated virus (AAV) has emerged as a promising gene delivery vector because of
its non-pathogenicity, simple structure and genome, and low immunogenicity compared to …

[PDF][PDF] Electron microscopy and persistence length analysis of semi-rigid smooth muscle tropomyosin strands

D Sousa, A Cammarato, K Jang, P Graceffa… - Biophysical journal, 2010 - cell.com
The structural mechanics of tropomyosin are essential determinants of its affinity and positioning
on F-actin. Thus, tissue-specific differences among tropomyosin isoforms may influence …

Structure comparison of the chimeric AAV2. 7m8 vector with parental AAV2

…, B Belbellaa, R Aeran, YS Tseng, D Sousa… - Journal of structural …, 2020 - Elsevier
The AAV2.7m8 vector is an engineered capsid with a 10-amino acid insertion in adeno-associated
virus (AAV) surface variable region VIII (VR-VIII) resulting in the alteration of an …