3D variability analysis: Resolving continuous flexibility and discrete heterogeneity from single particle cryo-EM

A Punjani, DJ Fleet - Journal of structural biology, 2021 - Elsevier
Single particle cryo-EM excels in determining static structures of protein molecules, but
existing 3D reconstruction methods have been ineffective in modelling flexible proteins. We …

The diversity of Shine-Dalgarno sequences sheds light on the evolution of translation initiation

JD Wen, ST Kuo, HHD Chou - RNA biology, 2021 - Taylor & Francis
ABSTRACT Shine-Dalgarno (SD) sequences, the core element of prokaryotic ribosome-
binding sites, facilitate mRNA translation by base-pair interaction with the anti-SD (aSD) …

A 'Build and Retrieve'methodology to simultaneously solve cryo-EM structures of membrane proteins

CC Su, M Lyu, CE Morgan, JR Bolla, CV Robinson… - Nature …, 2021 - nature.com
Single-particle cryo-electron microscopy (cryo-EM) has become a powerful technique in the
field of structural biology. However, the inability to reliably produce pure, homogeneous …

Ribosome‐targeting antibacterial agents: Advances, challenges, and opportunities

L Zhang, J He, L Bai, S Ruan, T Yang… - Medicinal Research …, 2021 - Wiley Online Library
Ribosomes, which synthesize proteins, are critical organelles for the survival and growth of
bacteria. About 60% of approved antibiotics discovered so far combat pathogenic bacteria …

Cryoelectron microscopy structures of AdeB illuminate mechanisms of simultaneous binding and exporting of substrates

CE Morgan, P Glaza, IV Leus, A Trinh, CC Su, M Cui… - MBio, 2021 - Am Soc Microbiol
Acinetobacter baumannii is a Gram-negative pathogen that has emerged as one of the most
highly antibiotic-resistant bacteria worldwide. Multidrug efflux within these highly drug …

Cryo-EM determination of eravacycline-bound structures of the ribosome and the multidrug efflux pump AdeJ of Acinetobacter baumannii

Z Zhang, CE Morgan, RA Bonomo, EW Yu - MBio, 2021 - Am Soc Microbiol
Antibiotic-resistant strains of the Gram-negative pathogen Acinetobacter baumannii have
emerged as a significant global health threat. One successful therapeutic option to treat …

Streptothricin F is a bactericidal antibiotic effective against highly drug-resistant gram-negative bacteria that interacts with the 30S subunit of the 70S ribosome

CE Morgan, YS Kang, AB Green, KP Smith… - PLoS …, 2023 - journals.plos.org
The streptothricin natural product mixture (also known as nourseothricin) was discovered in
the early 1940s, generating intense initial interest because of excellent gram-negative …

An analysis of the novel fluorocycline TP-6076 bound to both the ribosome and multidrug efflux pump AdeJ from Acinetobacter baumannii

CE Morgan, Z Zhang, RA Bonomo, EW Yu - MBio, 2022 - Am Soc Microbiol
Antibiotic resistance among bacterial pathogens continues to pose a serious global health
threat. Multidrug-resistant (MDR) strains of the Gram-negative organism Acinetobacter …

Ratchet, swivel, tilt and roll: a complete description of subunit rotation in the ribosome

A Hassan, S Byju, FC Freitas, C Roc… - Nucleic acids …, 2023 - academic.oup.com
Protein synthesis by the ribosome requires large-scale rearrangements of the 'small'subunit
(SSU;∼ 1 MDa), including inter-and intra-subunit rotational motions. However, with nearly …

Structural heterogeneities of the ribosome: new frontiers and opportunities for cryo-EM

F Poitevin, A Kushner, X Li, K Dao Duc - Molecules, 2020 - mdpi.com
The extent of ribosomal heterogeneity has caught increasing interest over the past few
years, as recent studies have highlighted the presence of structural variations of the …