X-ray scattering studies of protein structural dynamics

SP Meisburger, WC Thomas, MB Watkins… - Chemical …, 2017 - ACS Publications
X-ray scattering is uniquely suited to the study of disordered systems and thus has the
potential to provide insight into dynamic processes where diffraction methods fail. In …

[HTML][HTML] The CASTOR proteins are arginine sensors for the mTORC1 pathway

L Chantranupong, SM Scaria, RA Saxton, MP Gygi… - Cell, 2016 - cell.com
Amino acids signal to the mTOR complex I (mTORC1) growth pathway through the Rag
GTPases. Multiple distinct complexes regulate the Rags, including GATOR1, a GTPase …

Lysosomal regulation of mTORC1 by amino acids in mammalian cells

Y Yao, E Jones, K Inoki - Biomolecules, 2017 - mdpi.com
The mechanistic target of rapamycin complex 1 (mTORC1) is a master regulator of cell
growth in eukaryotic cells. The active mTORC1 promotes cellular anabolic processes …

Two R2R3‐MYB proteins are broad repressors of flavonoid and phenylpropanoid metabolism in poplar

D Ma, M Reichelt, K Yoshida, J Gershenzon… - The Plant …, 2018 - Wiley Online Library
The phenylpropanoid pathway leads to the production of many important plant secondary
metabolites including lignin, chlorogenic acids, flavonoids, and phenolic glycosides. Early …

Glutamine metabolism, sensing and signaling in plants

KT Lee, HS Liao, MH Hsieh - Plant and Cell Physiology, 2023 - academic.oup.com
Glutamine (Gln) is the first amino acid synthesized in nitrogen (N) assimilation in plants. Gln
synthetase (GS), converting glutamate (Glu) and NH4+ into Gln at the expense of ATP, is …

Domain movements upon activation of phenylalanine hydroxylase characterized by crystallography and chromatography-coupled small-angle X-ray scattering

SP Meisburger, AB Taylor, CA Khan… - Journal of the …, 2016 - ACS Publications
Mammalian phenylalanine hydroxylase (PheH) is an allosteric enzyme that catalyzes the
first step in the catabolism of the amino acid phenylalanine. Following allosteric activation by …

Structures of fungal and plant acetohydroxyacid synthases

T Lonhienne, YS Low, MD Garcia, T Croll, Y Gao… - Nature, 2020 - nature.com
Acetohydroxyacid synthase (AHAS), also known as acetolactate synthase, is a flavin
adenine dinucleotide-, thiamine diphosphate-and magnesium-dependent enzyme that …

Evolution and diversification of the ACT-like domain associated with plant basic helix–loop–helix transcription factors

YS Lee, SH Shiu, E Grotewold - Proceedings of the …, 2023 - National Acad Sciences
Basic helix–loop–helix (bHLH) proteins are one of the largest families of transcription factor
(TF) in eukaryotes, and~ 30% of all flowering plants' bHLH TFs contain the aspartate kinase …

Structural basis for ligand-dependent dimerization of phenylalanine hydroxylase regulatory domain

D Patel, J Kopec, F Fitzpatrick, TJ McCorvie… - Scientific reports, 2016 - nature.com
The multi-domain enzyme phenylalanine hydroxylase (PAH) catalyzes the hydroxylation of
dietary I-phenylalanine (Phe) to I-tyrosine. Inherited mutations that result in PAH enzyme …

Novel ATP-cone-driven allosteric regulation of ribonucleotide reductase via the radical-generating subunit

I Rozman Grinberg, D Lundin, M Hasan, M Crona… - Elife, 2018 - elifesciences.org
Ribonucleotide reductases (RNRs) are key enzymes in DNA metabolism, with allosteric
mechanisms controlling substrate specificity and overall activity. In RNRs, the activity master …