A beta amyloidogenesis: unique, or variation on a systemic theme?

abstract：:Studies with biomimetic models can yield considerable insight into mechanisms of enzymatic catalysis. The discussion above indicates how such information has been important in the cases of flavoproteins, hemoproteins, and, to a lesser extent, the copper protein dopamine beta-hydroxylase. Some of the moieties that we g...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Guengerich FP

更新日期：1990-01-01 00:00:00

abstract：:Eukaryogenesis, the origin of the eukaryotic cell, represents one of the fundamental evolutionary transitions in the history of life on earth. This event, which is estimated to have occurred over one billion years ago, remains rather poorly understood. While some well-validated examples of fossil microbial eukaryotes ...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Koumandou VL,Wickstead B,Ginger ML,van der Giezen M,Dacks JB,Field MC

更新日期：2013-07-01 00:00:00

abstract：:The purpose of this review is to provide an analysis of the latest developments on the functions of the carbon catabolite-repression 4-Not (Ccr4-Not) complex in regulating eukaryotic gene expression. Ccr4-Not is a nine-subunit protein complex that is conserved in sequence and function throughout the eukaryotic kingdom...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Miller JE,Reese JC

更新日期：2012-07-01 00:00:00

abstract：:The discovery that SRA RNA can function as a nuclear receptor (NR) coactivator resulted in a fundamental change in the perception of how NRs and their coregulators may regulate hormone signaling pathways. The subsequent identification of molecules capable of binding SRA, including SHARP, p68, and more recently SLIRP, ...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Colley SM,Leedman PJ

更新日期：2009-01-01 00:00:00

abstract：:Glycosaminoglycans (GAGs) play an intricate role in the extracellular matrix (ECM), not only as soluble components and polyelectrolytes, but also by specific interactions with growth factors and other transient components of the ECM. Modifications of GAG chains, such as isomerization, sulfation, and acetylation, gener...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Ernst S,Langer R,Cooney CL,Sasisekharan R

更新日期：1995-01-01 00:00:00

abstract：:Aldehydes are highly reactive molecules that may have a variety of effects on biological systems. They can be generated from a virtually limitless number of endogenous and exogenous sources. Although some aldehyde-mediated effects such as vision are beneficial, many effects are deleterious, including cytotoxicity, mut...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Lindahl R

更新日期：1992-01-01 00:00:00

abstract：:Determining the mechanisms of enzymatic regulation is central to the study of cellular metabolism. Regulation of enzyme activity via polymerization-mediated strategies has been shown to be widespread, and plays a vital role in mediating cellular homeostasis. In this review, we begin with an overview of the filamentati...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Aughey GN,Liu JL

更新日期：2015-07-01 00:00:00

abstract：:Low-copy nuclear genes in plants are a rich source of phylogenetic information. They hold a great potential to improve the robustness of phylogenetic reconstruction at all taxonomic levels, especially where universal markers such as cpDNA and nrDNA are unable to generate strong phylogenetic hypotheses. Low-copy nuclea...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Sang T

更新日期：2002-01-01 00:00:00

abstract：:Cilia and flagella serve as cellular antennae and propellers in various eukaryotic cells, and contain specific receptors and ion channels as well as components of axonemal microtubules and molecular motors to achieve their sensory and motile functions. Not only the bidirectional trafficking of specific proteins within...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Nakayama K,Katoh Y

更新日期：2020-04-01 00:00:00

abstract：:S-Acylation (commonly referred to as S-palmitoylation) is a post-translational modification consisting in the covalent attachment of an acyl chain to a cysteine residue of the target protein. The lability of the resulting thioester bond gives S-acylation an essential characteristic: its reversibility. S-acylation dyna...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Zaballa ME,van der Goot FG

更新日期：2018-08-01 00:00:00

abstract：:Some asparagine and glutamine residues in proteins undergo deamidation to aspartate and glutamate with rates that depend upon the sequence and higher-order structure of the protein. Functional groups within the protein can catalyze this reaction, acting as general acids, bases, or stabilizers of the transition state. ...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Wright HT

更新日期：1991-01-01 00:00:00

abstract：:Small regulatory RNAs can modify the activity of proteins and the stability and translation of mRNAs. They have now been found in a wide range of organisms, and can play previously unsuspected critical regulatory roles. The bacterial small RNAs include two major classes. The largest family(with at least 20 members in ...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Majdalani N,Vanderpool CK,Gottesman S

更新日期：2005-03-01 00:00:00

abstract：:Ribonucleotides are the most abundant non-canonical nucleotides in the genome. Their vast presence and influence over genome biology is becoming increasingly appreciated. Here we review the recent progress made in understanding their genomic presence, incorporation characteristics and usefulness as biomarkers for poly...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Zhou ZX,Williams JS,Lujan SA,Kunkel TA

更新日期：2021-02-01 00:00:00

abstract：:Ribonucleases (RNases) are mediators in most reactions of RNA metabolism. In recent years, there has been a surge of new information about RNases and the roles they play in cell physiology. In this review, a detailed description of bacterial RNases is presented, focusing primarily on those from Escherichia coli and Ba...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Bechhofer DH,Deutscher MP

更新日期：2019-06-01 00:00:00

abstract：:DNA damaging agents have been a cornerstone of cancer therapy for nearly a century. The discovery of many of these chemicals, particularly the alkylating agents, are deeply entwined with the development of poisonous materials originally intended for use in warfare. Over the last decades, their anti-proliferative effec...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Tsao N,Schärer OD,Mosammaparast N

更新日期：2021-01-12 00:00:00

abstract：:The plasma coagulation system in mammalian blood consists of a cascade of enzyme activation events in which serine proteases activate the proteins (proenzymes and procofactors) in the next step of the cascade via limited proteolysis. The ultimate outcome is the polymerization of fibrin and the activation of platelets,...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Smith SA,Travers RJ,Morrissey JH

更新日期：2015-01-01 00:00:00

abstract：:Transferrin is one of the sources of iron that is most readily available to colonizing and invading pathogens. In this review, we look at iron uptake by the bacterial transferrin receptor that is found in the families Neisseriaceae, Pasteurellaceae and Moraxellaceae. This bipartite receptor consists of the TonB-depend...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Pogoutse AK,Moraes TF

更新日期：2017-06-01 00:00:00

abstract：:RNA helicases represent a large family of proteins that have been detected in almost all biological systems where RNA plays a central role. They are ubiquitously distributed over a wide range of organisms and are involved in nuclear and mitochondrial splicing processes, RNA editing, rRNA processing, translation initia...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Lüking A,Stahl U,Schmidt U

更新日期：1998-01-01 00:00:00

abstract：:The maintenance of genomic stability relies on the coordinated action of a number of cellular processes, including activation of the DNA-damage checkpoint, DNA replication, DNA repair, and telomere homeostasis. Many proteins involved in these cellular processes use different types of functional modules to regulate and...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Flynn RL,Zou L

更新日期：2010-08-01 00:00:00

abstract：:HEPN (Higher Eukaryotes and Prokaryotes Nucleotide-binding) RNases are an emerging class of functionally diverse RNA processing and degradation enzymes. Members are defined by a small α-helical bundle encompassing a short consensus RNase motif. HEPN dimerization is a universal requirement for RNase activation as the c...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Pillon MC,Gordon J,Frazier MN,Stanley RE

更新日期：2021-02-01 00:00:00

abstract：:Matrix metalloproteinases (MMPs) constitute a family of more than 20 endopeptidases. Identification of specific matrix and non-matrix components as MMP substrates showed that, aside from their initial role as extracellular matrix modifiers, MMPs play significant roles in highly complex processes such as the regulation...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Cauwe B,Van den Steen PE,Opdenakker G

更新日期：2007-05-01 00:00:00

abstract：:A protein is usually classified into one of the following five structural classes: alpha, beta, alpha + beta, alpha/beta, and zeta (irregular). The structural class of a protein is correlated with its amino acid composition. However, given the amino acid composition of a protein, how may one predict its structural cla...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Chou KC,Zhang CT

更新日期：1995-01-01 00:00:00

abstract：:Rab GTPases are becoming increasingly implicated in neurodegenerative disorders, although their role in amyotrophic lateral sclerosis (ALS) has been somewhat overlooked. However, dysfunction of intracellular transport is gaining increasing attention as a pathogenic mechanism in ALS. Many previous studies have focused ...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Parakh S,Perri ER,Jagaraj CJ,Ragagnin AMG,Atkin JD

更新日期：2018-12-01 00:00:00

abstract：:O-linked β-N-acetylglucosamine (O-GlcNAc) is a regulatory post-translational modification of intracellular proteins. The dynamic and inducible cycling of the modification is governed by O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA) in response to UDP-GlcNAc levels in the hexosamine biosynthetic pathway (HBP). Due t...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Vaidyanathan K,Durning S,Wells L

更新日期：2014-03-01 00:00:00

abstract：:Serotonin receptors are the product of 15 distinct genes, 14 of which are G protein-coupled receptors. These receptors are expressed in a wide range of cell types, including distinct neuronal populations, and promote diverse functional responses in multiple organ systems. These receptors are important for mediating th...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Bohn LM,Schmid CL

更新日期：2010-12-01 00:00:00

abstract：:The unfolded protein response (UPR) is induced when the quality control machinery of the cell is overloaded with unfolded proteins or when one of the functions of the endoplasmic reticulum (ER) is perturbed. Here, I describe UPR in yeast and mammals, and compare it to what we know about pathogenic fungi and the parasi...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Michaeli S

更新日期：2015-01-01 00:00:00

abstract：:The mevalonate-isoprenoid-cholesterol biosynthesis pathway plays a key role in human health and disease. The importance of this pathway is underscored by the discovery that two major isoprenoids, farnesyl and geranylgeranyl pyrophosphate, are required to modify an array of proteins through a process known as protein p...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Jeong A,Suazo KF,Wood WG,Distefano MD,Li L

更新日期：2018-06-01 00:00:00

abstract：:Genome maintenance activities including DNA repair, cell division cycle control, and checkpoint signaling pathways preserve genome integrity and prevent disease. Defects in these pathways cause birth defects, neurodegeneration, premature aging, and cancer. Recent technical advances in functional genomic approaches suc...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Bansbach CE,Cortez D

更新日期：2011-08-01 00:00:00

abstract：:Rapid advances in redox systems biology are creating new opportunities to understand complexities of human disease and contributions of environmental exposures. New understanding of thiol-disulfide systems have occurred during the past decade as a consequence of the discoveries that thiol and disulfide systems are mai...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Go YM,Jones DP

更新日期：2013-03-01 00:00:00

abstract：:Fibronectin is a large vertebrate glycoprotein that is found in soluble and insoluble forms and involved in diverse processes. Protomeric fibronectin is a dimer of subunits, each of which comprises 29-31 modules - 12 type I, two type II and 15-17 type III. Plasma fibronectin is secreted by hepatocytes and circulates i...

journal_title：Critical reviews in biochemistry and molecular biology

authors： Maurer LM,Ma W,Mosher DF

更新日期：2015-07-01 00:00:00