Search Results - "Phillips Jr, George N."
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Adaptive evolution of threonine deaminase in plant defense against insect herbivores
Published in Proceedings of the National Academy of Sciences - PNAS (05-04-2011)“…Gene duplication is a major source of plant chemical diversity that mediates plant-herbivore interactions. There is little direct evidence, however, that novel…”
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Complete set of glycosyltransferase structures in the calicheamicin biosynthetic pathway reveals the origin of regiospecificity
Published in Proceedings of the National Academy of Sciences - PNAS (25-10-2011)“…Glycosyltransferases are useful synthetic catalysts for generating natural products with sugar moieties. Although several natural product glycosyltransferase…”
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3
Structural consequences of effector protein complex formation in a diiron hydroxylase
Published in Proceedings of the National Academy of Sciences - PNAS (09-12-2008)“…Carboxylate-bridged diiron hydroxylases are multicomponent enzyme complexes responsible for the catabolism of a wide range of hydrocarbons and as such have…”
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Structural analysis of fish versus mammalian hemoglobins: Effect of the heme pocket environment on autooxidation and hemin loss
Published in Proteins, structure, function, and bioinformatics (01-04-2009)“…The underlying stereochemical mechanisms for the dramatic differences in autooxidation and hemin loss rates of fish versus mammalian hemoglobins (Hb) have been…”
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Drop-on-demand sample delivery for studying biocatalysts in action at X-ray free-electron lasers
Published in Nature methods (01-04-2017)“…A robust acoustic droplet ejection–drop-on-tape method delivers samples to an X-ray free-electron laser source for combined serial femtosecond crystallography…”
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Structure of Human J-type Co-chaperone HscB Reveals a Tetracysteine Metal-binding Domain
Published in The Journal of biological chemistry (31-10-2008)“…Iron-sulfur proteins play indispensable roles in a broad range of biochemical processes. The biogenesis of iron-sulfur proteins is a complex process that has…”
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Structure and Function of a Dual Reductase–Dehydratase Enzyme System Involved in p‑Terphenyl Biosynthesis
Published in ACS chemical biology (17-12-2021)“…We report the identification of the ter gene cluster responsible for the formation of the p-terphenyl derivatives terfestatins B and C and echoside B from the…”
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Prochlorococcus phage ferredoxin: structural characterization and electron transfer to cyanobacterial sulfite reductases
Published in The Journal of biological chemistry (31-07-2020)“…Marine cyanobacteria are infected by phages whose genomes encode ferredoxin (Fd) electron carriers. These Fds are thought to redirect the energy harvested from…”
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A deep learning solution for crystallographic structure determination
Published in IUCrJ (01-07-2023)“…The general de novo solution of the crystallographic phase problem is difficult and only possible under certain conditions. This paper develops an initial…”
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Structural and evolutionary relationships of “AT-less” type I polyketide synthase ketosynthases
Published in Proceedings of the National Academy of Sciences - PNAS (13-10-2015)“…Acyltransferase (AT)-less type I polyketide synthases (PKSs) break the type I PKS paradigm. They lack the integrated AT domains within their modules and…”
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Watching a Protein as It Functions with 150-ps Time-Resolved X-ray Crystallography
Published in Science (American Association for the Advancement of Science) (20-06-2003)“…We report picosecond time-resolved x-ray diffraction from the myoglobin (Mb) mutant in which$Leu^{29}$is replaced by Phe (L29F mutant). The frame-by-frame…”
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Crystal structure of the protein At3g01520, a eukaryotic universal stress protein-like protein from arabidopsis thaliana in complex with AMP
Published in Proteins, structure, function, and bioinformatics (01-07-2015)“…ABSTRACT Members of the universal stress protein (USP) family are conserved in a phylogenetically diverse range of prokaryotes, fungi, protists, and plants and…”
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13
Structural basis for selective activation of ABA receptors
Published in Nature structural & molecular biology (01-09-2010)“…The synthetic ABA agonist pyrabactin helped identify the PYR/PYL family of ABA receptors. Now the selectivity of pyrabactin toward specific members of this…”
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Conformational dynamics of adenylate kinase in crystals
Published in Structural dynamics (Melville, N.Y.) (01-01-2024)“…Adenylate kinase is a ubiquitous enzyme in living systems and undergoes dramatic conformational changes during its catalytic cycle. For these reasons, it is…”
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Structural characterization of human Uch37
Published in Proteins, structure, function, and bioinformatics (01-02-2012)“…Uch37 is a de-ubiquitylating enzyme that is functionally linked with the 26S proteasome via Rpn13, and is essential for metazoan development. Here, we report…”
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The structure of flavin-dependent tryptophan 7-halogenase RebH
Published in Proteins, structure, function, and bioinformatics (01-01-2008)“…Enzyme catalyzed regio- and stereo-specific halogenations influence the biological activity of a diverse array of therapeutically important natural products,…”
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Crystal structure of SsfS6, the putative C-glycosyltransferase involved in SF2575 biosynthesis
Published in Proteins, structure, function, and bioinformatics (01-07-2013)“…ABSTRACT The molecule known as SF2575 from Streptomyces sp. is a tetracycline polyketide natural product that displays antitumor activity against murine…”
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X-ray structure of a soluble Rieske-type ferredoxin from Mus musculus
Published in Acta crystallographica. Section D, Biological crystallography. (01-09-2008)“…The 2.07 Å resolution X‐ray crystal structure of a soluble Rieske‐type ferredoxin from Mus musculus encoded by the gene Mm.266515 is reported. Although they…”
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Improving the efficiency of molecular replacement by utilizing a new iterative transform phasing algorithm
Published in Acta crystallographica. Section A, Foundations and advances (01-09-2016)“…An iterative transform method proposed previously for direct phasing of high‐solvent‐content protein crystals is employed for enhancing the…”
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Effectiveness and limitations of local structural entropy optimization in the thermal stabilization of mesophilic and thermophilic adenylate kinases
Published in Proteins, structure, function, and bioinformatics (01-10-2014)“…ABSTRACT Local structural entropy (LSE) is a descriptor for the extent of conformational heterogeneity in short protein sequences that is computed from…”
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