Influence of disulfide bonds on the conformational changes and activities of refolded phytase.

abstract：:VML is a lectin from Vatairea macrocarpa seeds that has various biological activities. Here, we describe three new lectin isoforms from V. macrocarpa identified through genomic DNA analysis. One of these isoforms has high similarity to VML, while another that has noteworthy differences. We have denoted the new isoform...

journal_title：Protein and peptide letters

authors： Alves Filho JG,do Nascimento AS,Gondim AC,Pereira RH,da Cunha RM,Nagano CS,Teixeira EH,Nascimento KS,Cavada BS

更新日期：2013-11-01 00:00:00

abstract：:Vasostatin has previously been expressed in fused form or in inclusion body form in Escherichia coli. Here the protein was expressed in soluble non-fusion form in BL21(DE3)pLysS by IPTG induction. The expression level of vasostatin was about 15% of the total cellular protein. The expressed vasostatin was purified and ...

journal_title：Protein and peptide letters

authors： Wu X,Li X,Su Z,Zheng Q,Xu H,Wu S,Feng Y,Zhao W

更新日期：2005-10-01 00:00:00

abstract：:In eukaryotic cells, regulated protein degradation of intracellular proteins is mediated largely by the ubiquitin proteasome system (UPS). UPS-mediated protein degradation regulates virtually all crucial aspects of cellular physiology, such as cell proliferation, cell division, cell differentiation, and cell death. Co...

journal_title：Protein and peptide letters

authors： Eldeeb M,Fahlman R

更新日期：2016-01-01 00:00:00

abstract：:Michael Laskowski Jr. (1930-2004) was a pioneer in the field of Standard mechanism serine proteinase inhibitors. He made numerous important contributions in the field. This article highlights some of his most important contributions such as the discovery of the reactive site in serine proteinase inhibitors, the propos...

journal_title：Protein and peptide letters

authors： Qasim MA

更新日期：2005-07-01 00:00:00

abstract：:From the extensive analysis, we identified three highly conserved sequence segments in HCV NS5A proteins and one binding motif in human proteins. The binding motif of human proteins often forms a full helix or an extended strand-loop structure, and is in good agreement with the experimental findings of previous studie...

journal_title：Protein and peptide letters

authors： Zhang GZ,Han K

更新日期：2008-01-01 00:00:00

abstract：:The importance of the intestinal microbiota of animals is widely acknowledged because of its vital role in the health of animals. There are complex communities of microbiota, which colonize the gastrointestinal tract. Intestinal microbiota are conductive to animal health and the development of the host immune system. ...

journal_title：Protein and peptide letters

authors： Hu S,Wang L,Jiang Z

更新日期：2017-01-01 00:00:00

abstract：:Polymyositis is an inflammatory myopathy characterized by muscle invasion of T-cells penetrating the basal lamina and displacing the plasma membrane of normal muscle fibers. In order to understand the different adhesive mechanisms at the T-cell surface, Schubert randomly selected 19 proteins expressed at the T-cell su...

journal_title：Protein and peptide letters

authors： Li FZ,Gao F

更新日期：2012-08-01 00:00:00

abstract：:The outcome of protein crystallization attempts is often uncertain due to inherent features of the protein or to the crystallization process that are not fully under control of the experimentalist. The aim of this contribution is to propose user-friendly tools that can increase the success rate of a protein crytalliza...

journal_title：Protein and peptide letters

authors： Sánchez-Puig N,Sauter C,Lorber B,Giegé R,Moreno A

更新日期：2012-07-01 00:00:00

abstract：BACKGROUND:Microbe-Binding Peptides (MBPs) are currently being investigated to address the problem of antimicrobial resistance. Strategies enhancing their antimicrobial activity have been developed, including peptide dimerization. Here, we present an alternative approach based on peptide polymerization, yielding hapten...

journal_title：Protein and peptide letters

authors： Climacosa FMM,King RAN,Santos BMM,Caoili SEC

更新日期：2020-01-01 00:00:00

abstract：:Identifying protein complexes in protein-protein interaction (PPI) networks is a fundamental problem in computational biology. High-throughput experimental techniques have generated large, experimentally detected PPI datasets. These interactions represent a rich source of data that can be used to detect protein comple...

journal_title：Protein and peptide letters

authors： Liao B,Fu X,Cai L,Chen H

更新日期：2014-07-01 00:00:00

abstract：:Protein structure information is very useful for the confirmation of protein function. The protein structural class can provide information for protein 3D structure analysis, causing the conformation of the protein overall folding type plays a significant part in molecular biology. In this paper, we focus on the predi...

journal_title：Protein and peptide letters

authors： Liao B,Xiang Q,Li D

更新日期：2012-11-01 00:00:00

abstract：:Currently, prion phenomena have been detected in various organisms, in addition to mammals affected by transmissible spongiform encephalopathies. In the budding yeast Saccharomyces cerevisiae, various proteins have prion properties and adopt atypical phenotypes as genetic elements, such as the Sup35 and Ure2 proteins,...

journal_title：Protein and peptide letters

authors： Inoue Y

更新日期：2009-01-01 00:00:00

abstract：:A missense mutation of Aspartic to Asparagine acid in 113 position of liver-targeting peptide CSP I-plus modified rEndostatin (rES-CSP) happened unexpectedly results in the changes of protein secondary structure and a reduced bioactivity. With the aim to clarify the structure-function relationships featuring the fuse ...

journal_title：Protein and peptide letters

authors： Bao D,Jin X,Ma Y,Zhu J

更新日期：2015-01-01 00:00:00

abstract：:The polypeptide leptin exerts a multitude of regulatory functions. It has been implicated in the pathophysiology of inflammatory, metabolic and psychiatric disorders and has been found to be differentially expressed in men and women. Although a clear increase of leptin levels with age has been repeatedly observed in m...

journal_title：Protein and peptide letters

authors： Fulda S,Linseisen J,Wolfram G,Himmerich S,Gedrich K,Pollmächer T,Himmerich H

更新日期：2010-11-01 00:00:00

abstract：BACKGROUND:The heterologous production of antimicrobial peptides in bacterial models can produce insoluble proteins due to the lack of proper folding. Fusion proteins have been used to increase the expression and solubility of these types of proteins with varying degrees of success. OBJECTIVES:Here, we demonstrate the...

journal_title：Protein and peptide letters

authors： Montfort-Gardeazabal JM,Claudio PCM,Casillas-Vega NG,Zarate X

更新日期：2020-06-10 00:00:00

abstract：:Porcine β defensin 2(pBD2)is a cationic 37-amino acid antimicrobial peptide with disulfide bonds. Synthetic pBD2 had broad antimicrobial activity against pathogenic bacteria, and thus pBD2 could be a good candidate as a bactericidal agent for pigs. This study reported the successful recombinant expression of pBD2 in E...

journal_title：Protein and peptide letters

authors： Li CL,Zhao YC,Song XY,Huang XX,Zhao WD

更新日期：2013-06-01 00:00:00

abstract：:Bucain, a potent neurotoxin isolated from the venom of the Malayan krait (Bungarus candidus), induces paralysis and death. Its crystal structure has been determined at 2.10 A resolution and based on the molecular topology and hydrophobicity profile is structurally classified as a three-fingered alpha-neurotoxin posses...

journal_title：Protein and peptide letters

authors： Murakami MT,Kini RM,Arni RK

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND:Nanosheets of SnO2 which an n-type semiconductor with a rutile-type crystalline structure are predominantly used as gas sensors. SnO2 nanosheets have a tetragonal crystal structure where growth along the c-axis is suppressed to form a sheet. The major exposed facets of SnO2 nanosheets have {110}, {101} and {...

journal_title：Protein and peptide letters

authors： Nakazawa H,Seta Y,Hirose T,Masuda Y,Umetsu M

更新日期：2018-01-01 00:00:00

abstract：:Oblique orientated alpha-helices are highly specialised protein structural elements that penetrate membranes at a shallow angle and are used to promote membrane destabilisation by a number of protein classes. Here, the use of extended hydrophobic moment methodology shows that the amphibian extrudates, aurein 1.2 and c...

journal_title：Protein and peptide letters

authors： Dennison SR,Harris F,Phoenix DA

更新日期：2005-01-01 00:00:00

abstract：:A new coding sequence of the procarboxypeptidase B gene was obtained from SD rat fresh pancreas by RT-PCR and highly expressed in Escherichia coli in inclusion bodies. The folded procarboxypeptidase B was subjected to trypsin enzymatic cleavage to produce active carboxypeptidase B, subsequently, carboxypeptidase B was...

journal_title：Protein and peptide letters

authors： Su-Xia L,Yu-Jian Z,Li-Ping T,Qin-Sheng Y,Yi G

更新日期：2003-12-01 00:00:00

abstract：:The etiology of multiple sclerosis (MS) remains unclear. To determine if autoantibodies to myelin basic protein (MBP) are produced during parvovirus B19 infection, a competitive ELISA was performed using plasma from MS patients exhibiting high IgG titers for parvovirus. Our results showed the addition of MBP decreased...

journal_title：Protein and peptide letters

authors： Thomas G,Rael L,Shimonkevitz R,Melamed I,Bar-Or D

更新日期：2006-01-01 00:00:00

abstract：:Background. Obesity is a major health problem in both developed and emerging countries. Obesity is a complex disease whose etiology involves genetic factors in strong interplay with environmental determinants and lifestyle. The discovery of genetic factors and biological pathways underlying human obesity is hampered b...

journal_title：Protein and peptide letters

authors： Martelli PL,Fontanesi L,Piovesan D,Fariselli P,Casadio R

更新日期：2014-01-01 00:00:00

abstract：:ROS, including (.)OH, is now recognized as the hallmark of inflammation and damage to the anti-proteinase barrier has been implicated in a number of pathophysiological conditions. We have previously shown that O2( -) and H2O2/HOCl are physiologically relevant inactivators of alpha 2M, a key anti-proteinase. Here, we s...

journal_title：Protein and peptide letters

authors： Khan SA,Khan FH

更新日期：2009-01-01 00:00:00

abstract：:There is accumulating evidence that proteinuria is not merely a biomarker for the progression of chronic kidney disease (CKD), but also a mediator of this devastating disorder. Indeed, albumin, one of the major components found in proteinuria, causes proinflammatory and profibrotic changes in cultured proximal tubular...

journal_title：Protein and peptide letters

authors： Matsui T,Yamagishi S,Ueda S,Fukami K,Okuda S

更新日期：2010-01-01 00:00:00

abstract：:Catalase is an enzyme that occurs in almost all aerobic organisms. Its main metabolic function is to prevent oxidative damage to tissues induced by hydrogen peroxide which is a strong oxidizing agent. Catalase is very effective in performing this task, since it has the highest turnover rate among all the enzymes. The ...

journal_title：Protein and peptide letters

authors： Seixas FA,da Silva MR,Murakami MT,Tosqui P,Colombo MF

更新日期：2011-09-01 00:00:00

abstract：:Interaction between S100P and its target protein is an essential step in several cellular functions. The amphipathic mellitin peptide binds tightly to S100P protein in the presence of calcium cation. Since little is known about the recognition sequence, mellitin interaction form a model for S100P. Interaction between ...

journal_title：Protein and peptide letters

authors： Tutar Y

更新日期：2006-01-01 00:00:00

abstract：:C-terminal peptide alpha-thioesters are valuable intermediates in the synthesis/semisynthesis of proteins by native chemical ligation. They are prepared either by solid-phase peptide synthesis (SPPS) or biosynthetically by protein splicing techniques. The present paper reviews the different methods available for the c...

journal_title：Protein and peptide letters

authors： Camarero JA,Mitchell AR

更新日期：2005-11-01 00:00:00

abstract：:F(0)F(1)-ATPase is a rotary molecular motor. It is well known that the rotary torque is generated by ATP hydrolysis in F(1) but little is known about how it produces the proton-motive force (PMF) in F(0). Here a cross-linking approach was used to estimate the rotary torque produced by PMF. Three mutant E. coli strains...

journal_title：Protein and peptide letters

authors： Liu X,Cui Y,Chen C,Lai B,Yue J,Zhang Z

更新日期：2007-01-01 00:00:00

abstract：:Application of complementary B and T cell epitopes in inducing anti-idiotypic and anti-clonotypic antibodies capable of regulating or suppressing the autoimmune responses in experimental autoimmune myasthenia gravis (EAMG), allergic neuritis (EAN) and allergic encephalomyelitis (EAE) has been the stimulus of many rese...

journal_title：Protein and peptide letters

authors： Sakarellos-Daitsiotis M,Cung MT,Sakarellos C,El Hilali Z,Kosmopoulou A,Voitharou C

更新日期：2004-08-01 00:00:00

abstract：:The aerotolerance of the lactic - fermentative bacterium Streptococcus thermophilus is mainly based on the key antioxidant function of superoxide dismutase (StSOD). In this work, the comparison of recombinant StSOD (rStSOD) forms obtained from two different initiation triplets indicated that the enzyme from S. thermop...

journal_title：Protein and peptide letters

authors： De Vendittis A,Marco S,Di Maro A,Chambery A,Albino A,Masullo M,Michniewicz A,Parlato G,De Angelis A,De Vendittis E,Rullo R

更新日期：2012-03-01 00:00:00