Interaction between two residues in the inter-domain interface of Escherichia coli peptidase N modulates catalytic activity.

abstract：:Most proteinaceous pores are characterized as ionic channels. However, some are also involved in protein translocation through phospholipidic membranes. This concept has evolved slowly in cell biology and in biophysics, requiring the development of adapted electrical and biochemical methods. Protein translocation in m...

journal_title：Protein and peptide letters

authors： Henry JP

更新日期：2014-03-01 00:00:00

abstract：:A method for seed proteome analysis using MALDI-TOF mass spectrometry is described. The data were used to estimate the genetic diversity degree among twelve genotypes of pepper (Capsicum). The resulting spectra were converted into a binary matrix consisting of 23 protein data sets, and genetic similarity values were c...

journal_title：Protein and peptide letters

authors： de Pinho Pessoa Filho MA,Bloch Junior C,da Silva Filho DF,Galdino AS,da Cunha RM,Alves MA,Grangeiro TB

更新日期：2004-02-01 00:00:00

abstract：:Classification of newly determined protein structures is important in understanding their function and mechanism of action. Currently available methods employ a global structure alignment strategy and are computationally expensive. We propose a two-step methodology with a quick screen to significantly reduce the numbe...

journal_title：Protein and peptide letters

authors： Dalal A,Deshmukh S,Wangika PP

更新日期：2007-01-01 00:00:00

abstract：:Infections by antibiotic-resistant bacteria are becoming a great risk for human health, leading to an urgent need for new efficient antibacterial therapies. The short, proline-rich antimicrobial peptides from insects gained a lot of interest as a potential antibacterial treatment, having a low toxicity profile and bei...

journal_title：Protein and peptide letters

authors： Stalmans S,Wynendaele E,Bracke N,Knappe D,Hoffmann R,Peremans K,Polis I,Burvenich C,De Spiegeleer B

更新日期：2014-04-01 00:00:00

abstract：:G-protein betagamma dimers are prime regulators transmitting extracellular signals to wide-ranging cellular effectors including phosphoinositide 3-kinase (PI3K) isoforms beta and gamma. Recombinant Gbetagamma purified from Sf9 cells via metal-affinity and anion exchange chromatography exhibited a wortmannin-insensitiv...

journal_title：Protein and peptide letters

authors： Shymanets A,Ahmadian MR,Nürnberg B

更新日期：2009-01-01 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：:The high technical standard of current peptide chemistry, which has evolved over the past three decades, has profoundly facilitated the investigation of proteins and their interactions with other molecules at the level of individual amino acids. Using currently available peptide synthesis methods, sequentially continu...

journal_title：Protein and peptide letters

authors： Eichler J

更新日期：2004-08-01 00:00:00

abstract：:In the last few decades, novel drug delivery strategies have been a big priority to the formulation scientists. Peptides and proteins have drawn a special attention for their wide scope in the area. Serum albumin, transferrin, recom- binant proteins, virus capsids etc. are used as carrier for drug and biomolecules. Co...

journal_title：Protein and peptide letters

authors： Mukherjee B,Karmakar SD,Hossain CM,Bhattacharya S

更新日期：2014-01-01 00:00:00

abstract：:We report a new prohormone convertase gene of insect origin, Trichoplusia ni furin, which was cloned from BTI-Tn-5B-4 (Tn5) insect cells. We constructed a truncated mutant that lacked Cys-rich repeated segments. Using baculovirus expression system and standard enzymatic assay, we obtained recombinant Tn furin and eval...

journal_title：Protein and peptide letters

authors： Wang L,Xu D,Qian M,Yang G,Wu X

更新日期：2006-01-01 00:00:00

abstract：:A 26-kDa trypsin inhibitor with an N-terminal sequence resembling storage proteins was purified from moth beans (Phaseolus acutifolius). It dose-dependently inhibited trypsin with an IC(50) value of about 0.38 microM. It inhibited [methyl-(3)H] thymidine incorporation by lymphoma MBL2 cells with an IC(50) value of 20 ...

journal_title：Protein and peptide letters

authors： Ma DZ,Sun J,Zhang GQ,Wang HX,Ng TB

更新日期：2010-06-01 00:00:00

abstract：BACKGROUND:Prmt5 plays major role in regulation of gene expression, RNA processing, cell growth and differentiation, signal transduction, germ cell development, etc., in mammals. Prmt5 is also related to cancer. Knowing the proteins interacting with Prmt5 is important to understand Prmt5's function in cells. Although t...

journal_title：Protein and peptide letters

authors： Shen H,Zhang X,Al Hafiz MA,Liang X,Yao Q,Guo M,Xu G,Zhong X,Zhou Q,Zhao H

更新日期：2020-01-01 00:00:00

abstract：:We examined the production and secretion of fusion constructs containing alpha-N-acetylglucosaminidase, the enzyme deficient in Sanfilippo B, and either wildtype TAT or modified TAT in cultured Spodoptera frugiperda cells. All constructs exhibited successful expression of active enzyme, suggesting the future possibili...

journal_title：Protein and peptide letters

authors： Bandsmer JC,Campbell TN,Cheyne I,Choy FY

更新日期：2006-01-01 00:00:00

abstract：:Arginine kinase is an essential enzyme which is closely related to energy metabolism in marine invertebrates. Arginine kinase provides a significant role in quick response to environmental change and stress. In this study, we simulated a tertiary structure of Sepia pharaonis arginine kinase (SPAK) based on the gene se...

journal_title：Protein and peptide letters

authors： Si YX,Lee J,Cheng JG,Yin SJ,Park YD,Qian GY,Jiang XM

更新日期：2016-01-01 00:00:00

abstract：BACKGROUND:Fruit juice clarification is a challenging aspect of beverage industry which needs to be addressed for economical and hygienic production of fruit juices. OBJECTIVE:Current study is focused on the complete purification, characterization and thermodynamic analysis of an efficient mannanase enzyme to analyze ...

journal_title：Protein and peptide letters

authors： Ikram Ul Haq,Shakoor S,Nawaz A,Arshad Y,Mukhtar H

更新日期：2020-09-16 00:00:00

abstract：:To identify proteins involved in the molecular mechanisms of pressure overload-induced heart failure, we quantitatively analyzed the left ventricular proteomic profile in a transverse aortic constriction (TAC) mouse model, a well-established model of cardiac hypertrophy and dysfunction. Multidimensional LC-MS/MS in co...

journal_title：Protein and peptide letters

authors： Guan D,Zhao Y,Zhang Y,Tang D,Wu Q

更新日期：2016-01-01 00:00:00

abstract：BACKGROUND:Laminin, a member of the Extracellular Matrix (ECM), is a glycoprotein that is used as a factor that affects cell adhesion, proliferation, survival, and differentiation. Of these, five globular domains (LG domains) of the alpha chain play an important role in influencing the cell by binding to the integrin. ...

journal_title：Protein and peptide letters

authors： Kim JE,Seo HJ,Lee S,Jang JH

更新日期：2019-01-01 00:00:00

abstract：:The formation of amyloid-like fibrils was studied by using the well-known serine protease trypsin as a model protein in the presence of ethanol as organic solvent. Trypsin forms amyloid-like fibrils in aqueous ethanol at pH = 7.0. The dye Congo red (CR) was used to detect the presence of amyloid-like fibrils in the sa...

journal_title：Protein and peptide letters

authors： Kotormán M,Simon ML,Borics A,Szabó MR,Szabó K,Szögi T,Fülöp L

更新日期：2015-01-01 00:00:00

abstract：:We report the stepwise transformation of a linear peptide epitope recognized by the anti-transforming growth factor alpha monoclonal antibody Tab2 into peptomers and finally into peptoid analogs. The key experiment in this study is the substitution analysis in which each position of the peptide is exchanged by a set o...

journal_title：Protein and peptide letters

authors： Hoffmann B,Ast T,Polakowski T,Reineke U,Volkmer R

更新日期：2006-01-01 00:00:00

abstract：:Red blood cell (RBC) encapsulated L-asparaginase is a novel therapeutic for the treatment of asparagine auxotrophic malignancies. The enzyme-loaded red blood cells function as bioreactors to deplete bloodstream substrate. This delivery system provides improved pharmacodynamics with protection from circulating proteoly...

journal_title：Protein and peptide letters

authors： Agrawal V,Woo JH,Borthakur G,Kantarjian H,Frankel AE

更新日期：2013-04-01 00:00:00

abstract：:Globulins are a major class of seed storage proteins which were thought to be enzymatically inactive. These proteins belong to the most ancient cupin superfamily. They can be graded into 11S legumin type and 7S vicilin type based on their sedimentation coefficients. Members from both classes share structural homology ...

journal_title：Protein and peptide letters

authors： Kesari P,Neetu,Sharma A,Katiki M,Kumar P,Gurjar BR,Tomar S,Sharma AK,Kumar P

更新日期：2017-01-01 00:00:00

abstract：:Endonuclease tRNase Z catalyzes the generation of the mature 3' end of tRNA precursors through specific endonucleolytic cleavage. The enzyme has been characterized from organisms representative of all domains of life as well as from organelles, and the crystal structure of three bacterial enzymes has been determined. ...

journal_title：Protein and peptide letters

authors： Ceballos M,Vioque A

更新日期：2007-01-01 00:00:00

abstract：:Coordination of cell growth and cell division is very important for living organisms in order for these to develop harmonically. The present research is concerned with the purification and characterization of a new peptide hormone, namely ZmIGF (Zea mays insulin-like growth factor), which regulates growth and cell div...

journal_title：Protein and peptide letters

authors： Rodríguez-López CD,Rodríguez-Romero A,Aguilar R,de Jiménez ES

更新日期：2011-01-01 00:00:00

abstract：:After several studies on prediction of mutation, we examine the effect of three sampling strategies, the sampling based on years, the sampling based on number of mutations, and the sampling based on the unpredictable portion of amino-acid pairs, on the prediction performance in H5N1 hemagglutinins. The results show th...

journal_title：Protein and peptide letters

authors： Wu G,Yan S

更新日期：2008-01-01 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：:Kallikrein-related peptidases (KLKs) are trypsin-like and chymotrypsin-like serine proteases which are expressed in several tissues. Their activity is tightly controlled by inhibitors including members of the serine protease Kazal-type (SPINK) family. These enzymes are promising targets for the treatment of skin desqu...

journal_title：Protein and peptide letters

authors： Assis DM,Zalazar L,Juliano MA,De Castro R,Cesari A

更新日期：2013-10-01 00:00:00

abstract：:Gibberellins (GAs) are tetracyclic, diterpenoid plant hormones, essential for many developmental processes in higher plants. Plants perceive GA through a nuclear-localized GA receptor, GA INSENSITIVE DWARF1 (GID1). From sequence similarity, it is suggested that GID1 evolved from a hormone-sensitive lipase (HSL), and r...

journal_title：Protein and peptide letters

authors： Hirano K,Aya K,Matsuoka M,Ueguchi-Tanaka M

更新日期：2012-02-01 00:00:00

abstract：:Alpha-gliadins isolated by carboxymethylcellulose chromatography contain noncovalently bound glucose probably due to contaminating proteoglycans and to material shed from the column. Traces of carbohydrate remain strongly bound to alpha-gliadins even after harsh denaturation, but our results indicate alpha-gliadins ar...

journal_title：Protein and peptide letters

authors： Turner JB,Garner GV,Gordon DB,Brookes SJ,Smith CA

更新日期：2002-02-01 00:00:00

abstract：:Discriminating cell wall lytic enzymes from non lytic enzymes is a very important task for curing bacterial infections. In this paper, based on Chou's amphiphilic pseudo amino acid composition, we develop fisher-discriminant based classifier to predict cell wall lytic enzymes. Experiments show that 66.7% sensitivity w...

journal_title：Protein and peptide letters

authors： Ding H,Luo L,Lin H

更新日期：2009-01-01 00:00:00

abstract：BACKGROUND:Bursa of Fabricius plays the vital functions on B cell development and antibody production in poultry. The bursal-derived peptide plays the essential roles on avian immature B cell development. OBJECTIVES:Here we explored the functions of the recently reported bursal nonapeptide (BP9) on the antibody produc...

journal_title：Protein and peptide letters

authors： Zheng Y,Zong MM,Chen BY,Zhou XH,Liu ZN,Zhou GF,Chen PY,Feng XL

更新日期：2019-01-01 00:00:00

abstract：BACKGROUND:Protealysin, a zinc metalloprotease of Serratia proteamaculans, is the prototype of a new group within the peptidase family M4. Protealysin-like proteases (PLPs) are widely spread in bacteria but are also found in fungi and archaea. The biological functions of PLPs have not been well studied, but published d...

journal_title：Protein and peptide letters

authors： Chukhontseva KN,Salnikov VV,Morenkov OS,Kostrov SV,Demidyuk IV

更新日期：2019-01-01 00:00:00