A Versatile Virus‐Mimetic Engineering Approach for Concurrent Protein Nanocage Surface‐Functionalization and Cargo Encapsulation

Y Sheng, Z Chen, MV Cherrier, L Martin, TTT Bui, W Li… - Small, 2024 - Wiley Online Library
Naturally occurring protein nanocages like ferritin are self‐assembled from multiple
subunits. Because of their unique cage‐like structure and biocompatibility, there is a …

Stability of Begomoviral pathogenicity determinant βC1 is modulated by mutually antagonistic SUMOylation and SIM interactions

A Nair, KS Chatterjee, V Jha, R Das, PV Shivaprasad - BMC biology, 2020 - Springer
Background To successfully invade new hosts, plant viruses must break host resistance and
be competent to move within and between plant cells. As a means, viral proteins known as …

The viral SUMO–targeted ubiquitin ligase ICP0 is phosphorylated and activated by host kinase Chk2

DSS Hembram, H Negi, P Biswas, V Tripathi… - Journal of Molecular …, 2020 - Elsevier
When the herpes simplex virus (HSV) genome enters the nucleus for replication and
transcription, phase-segregated nuclear protein bodies called Promyelocytic leukemia …

Probing Aromatic Side Chains Reveals the Site-Specific Melting in the SUMO1 Molten Globule

S Arora, SRK Ainavarapu - Biochemistry, 2024 - ACS Publications
The conventional idea that a well-defined protein structure governs its functions is being
challenged by the evolving significance of conformational flexibility and disorder in …

Assessing the functional roles of coevolving PHD finger residues

S Basu, U Subedi, M Tonelli, M Afshinpour… - Protein …, 2024 - Wiley Online Library
Although in silico folding based on coevolving residue constraints in the deep‐learning era
has transformed protein structure prediction, the contributions of coevolving residues to …

Plasticity of the proteasome-targeting signal Fat10 enhances substrate degradation

H Negi, A Ravichandran, P Dasgupta, S Reddy, R Das - Elife, 2024 - elifesciences.org
The proteasome controls levels of most cellular proteins, and its activity is regulated under
stress, quiescence, and inflammation. However, factors determining the proteasomal …

The conserved aromatic residue W122 is a determinant of potyviral coat protein stability, replication, and cell‐to‐cell movement in plants

ZY Yan, DJ Cheng, LZ Liu, C Geng… - Molecular Plant …, 2021 - Wiley Online Library
Coat proteins (CPs) play critical roles in potyvirus cell‐to‐cell movement. However, the
underlying mechanism controlling them remains unclear. Here, we show that substitutions of …

Multiple aromatic amino acids are involved in potyvirus movement by forming π-stackings to maintain coat protein accumulation

ZY Yan, XJ Xu, L Fang, C Geng, YP Tian… - Phytopathology …, 2021 - Springer
Coat protein (CP) is required for potyviruses to move and establish a systemic infection in
plants. π-stackings formed by aromatic residues play critical roles in maintaining protein …

[HTML][HTML] Crystal structures and kinetic studies of a laboratory evolved aldehyde reductase explain the dramatic shift of its new substrate specificity

S Sridhar, A Zavarise, TR Kiema, S Dalwani, T Eriksson… - IUCrJ, 2023 - journals.iucr.org
The Fe2+-dependent E. coli enzyme FucO catalyzes the reversible interconversion of short-
chain (S)-lactaldehyde and (S)-1, 2-propanediol, using NADH and NAD+ as cofactors …

An “up” oriented methionine-aromatic structural motif in SUMO is critical for its stability and activity

KS Chatterjee, R Das - Journal of Biological Chemistry, 2021 - jbc.org
Protein structural bioinformatic analyses suggest preferential associations between
methionine and aromatic amino acid residues in proteins. Ab initio energy calculations …