Preparation of hepatitis C virus structural and non-structural protein fragments and studies of their immunogenicity.

abstract：:A new procedure for the large-scale purification of the recombinant thermostable chitinase (Chi40) cloned from Streptomyces thermoviolaceus in various expression vectors in Escherichia coli is described. Chi40 was overproduced in the cytosolic and secreted forms. The cytosolic form (Chi40c) was highly overproduced and...

journal_title：Protein expression and purification

authors： Christodoulou E,Duffner F,Vorgias CE

更新日期：2001-10-01 00:00:00

abstract：:Sphingomyelinase C (SMC) of the actinomycete, Streptomycesgriseocarneus NBRC13471, was constitutively expressed to high levels using Streptomyces lividans host and thereafter was extracellularly secreted into the cell culture. Purified SMC had a high specific activity (approximately 550-950 U/mg) and was obtained in h...

journal_title：Protein expression and purification

authors： Sugimori D,Matsumoto Y,Tomita Y,Murayama K,Ogino C

更新日期：2012-02-01 00:00:00

abstract：:Staphylococcal enterotoxins (SEs) are powerful superantigens that stimulate non-specific T-cell proliferation produced by Staphylococcus aureus and draw considerable attention as ideal drugs for cancer therapy. The filtrate of S. aureus culture has been used as ampul named Staphylococcal enterotoxin C injection in cli...

journal_title：Protein expression and purification

authors： Pan YQ,Ding D,Li DX,Chen SQ

更新日期：2007-12-01 00:00:00

abstract：:The B-subunits of replicative DNA polymerases belong to the superfamily of calcineurin-like phosphoesterases and are conserved from Archaea to humans. Recently we and others have shown that the B-subunit (DP1) of the archaeal family D DNA polymerase is responsible for proofreading 3'-5' exonuclease activity. The simil...

journal_title：Protein expression and purification

authors： Jokela M,Raki M,Heikkinen K,Sepponen K,Eskelinen A,Syväoja JE

更新日期：2005-09-01 00:00:00

abstract：:Malassezia globosa is pathogenic fungus that causes skin disorders including dandruff in humans. Many yeast cytochrome CYP enzymes are involved in the biosynthesis of sterols and are considered major targets of azole antifungal agents. Here, we report on the expression and characterization of the MGL_0310 gene product...

journal_title：Protein expression and purification

authors： Ohk SO,Park HG,Lee H,Kwon YJ,Kim BJ,Kim D,Chun YJ

更新日期：2015-10-01 00:00:00

abstract：:The gene encoding a novel glucoamylase (GlucaM) from the Corallococcus sp. strain EGB was cloned and heterologous expressed in Escherichia coli BL21(DE3), and the enzymatic characterization of recombinant GlucaM (rGlucaM) was determined in the study. The glucaM had an open reading frame of 1938 bp encoding GlucaM of 6...

journal_title：Protein expression and purification

authors： Li Z,Ji K,Dong W,Ye X,Wu J,Zhou J,Wang F,Chen Q,Fu L,Li S,Huang Y,Cui Z

更新日期：2017-01-01 00:00:00

abstract：:We present a straightforward, versatile method for expressing and purifying β-amyloid (Aβ40) and transmembrane peptides derived from β-amyloid precursor protein (Aβ55). In principle, these methods should be applicable to other types of strongly aggregating peptides. We start with a DNA plasmid encoding a HexaHis tag w...

journal_title：Protein expression and purification

authors： Zerweck J,Venkata BS,Pittman JM,Srivastava AK,Moore PC,Sachleben JR,Thinakaran G,Meredith SC

更新日期：2019-10-01 00:00:00

abstract：:The fluorescent reporter enhanced Green Fluorescent Protein (EGFP) has been used for assaying a wide range of biological activities ranging from gene expression, or localization of target proteins through to intermolecular interactions. However, over-production of this protein in Escherichia coli has resulted in the p...

journal_title：Protein expression and purification

authors： Youell J,Fordham D,Firman K

更新日期：2011-10-01 00:00:00

abstract：:The catalase gene of Psychrobacter sp. T-3 was cloned, and the gene product (PktA) was overexpressed in Escherichia coli. The specific activity of the purified PktA was slightly lower than that of the native purified enzyme obtained from Psychrobacter sp. T-3. Spectrophotometric measurements of the purified enzymes su...

journal_title：Protein expression and purification

authors： Kimoto H,Matsuyama H,Yumoto I,Yoshimune K

更新日期：2008-06-01 00:00:00

abstract：:A maize dehydrin with an apparent molecular weight of 20 kDa was purified from whole kernels of maize inbred line G50. Kernels were ground in a seed mill, stirred overnight in extraction buffer, and centrifuged to extract soluble proteins. The sample was heated to 89 degrees C and centrifuged to remove heat-insoluble ...

journal_title：Protein expression and purification

authors： Ceccardi TL,Meyer NC,Close TJ

更新日期：1994-06-01 00:00:00

abstract：:Protein production can be improved if methods for soluble protein expression are developed. Interferon consensus (IFN-con) is used to treat hepatitis C. IFN-con has superior activity compared to other clinically used interferon α subtypes. However IFN-con is a challenging protein to produce in a soluble form using an ...

journal_title：Protein expression and purification

authors： Peciak K,Tommasi R,Choi JW,Brocchini S,Laurine E

更新日期：2014-07-01 00:00:00

abstract：:Human lysosomal beta-hexosaminidase exists in two major forms: the A isoform is composed of both alpha and beta chains, while the B form is a homopolymer of beta chains. Deficiency of beta-hexosaminidase underlies the GM2 gangliosidoses. We have produced active beta-hexosaminidase B in cultured insect (Sf9) cells by i...

journal_title：Protein expression and purification

authors： Boose JA,Tifft CJ,Proia RL,Myerowitz R

更新日期：1990-11-01 00:00:00

abstract：:Phthalate dioxygenase (PDO), a hexamer with one Rieske-type [2Fe-2S] and one Fe (II)-mononuclear center per monomer, and its reductase (PDR), which contains flavin mononucleotide and a plant-type ferredoxin [2Fe-2S] center, are expressed by Burkholderia cepacia at approximately 30mg of crude PDO and approximately 1mg ...

journal_title：Protein expression and purification

authors： Jaganaman S,Pinto A,Tarasev M,Ballou DP

更新日期：2007-04-01 00:00:00

abstract：:Rab GTPases are post-translationally geranylgeranylated on their C-terminal cysteines by Rab geranylgeranyl transferase (RabGGTase) and this modification is essential for their biological activity. Rab Escort Protein (REP) is a molecular chaperone that assists in the prenylation reaction carried out by RabGGTase. Muta...

journal_title：Protein expression and purification

authors： Sidorovitch V,Niculae A,Kan N,Ceacareanu AC,Alexandrov K

更新日期：2002-10-01 00:00:00

abstract：:A high-expression plasmid, pKSGHE3-1, containing the salt-tolerant glutaminase (EC 3.5.1.2) from marine bacterium Micrococcus luteus K-3 was constructed. pKSGHE3-1 was made by inserting the DNA fragment (1.43 kb) containing the structural gene synthesized by polymerase chain reaction into the downstream region of the ...

journal_title：Protein expression and purification

authors： Nandakumar R,Wakayama M,Nagano Y,Kawamura T,Sakai K,Moriguchi M

更新日期：1999-03-01 00:00:00

abstract：:Developmentally regulated G-proteins (DRGs) are a highly conserved family of GTP-binding proteins found in archaea, plants, fungi and animals, indicating important roles in fundamental pathways. Their function is poorly understood, but they have been implicated in cell division, proliferation, and growth, as well as s...

journal_title：Protein expression and purification

authors： O'Connell A,Robin G,Kobe B,Botella JR

更新日期：2009-10-01 00:00:00

abstract：:The transcription factor IIIC (TFIIIC) is a multisubunit DNA-binding factor required for promoter recognition and TFIIIB assembly on tRNA genes transcribed by RNA polymerase III. Yeast TFIIIC consists of six subunits, organized in the two globular subcomplexes tauA and tauB, which recognize two internal tDNA promoter ...

journal_title：Protein expression and purification

authors： Mylona A,Acker J,Fernández-Tornero C,Sentenac A,Müller CW

更新日期：2006-02-01 00:00:00

abstract：:In plant, the first and the third steps of the synthesis of methionine and threonine are catalyzed by a bifunctional enzyme, aspartate kinase-homoserine dehydrogenase (AK-HSDH). In this study, we report the first purification and characterization of a highly active threonine-sensitive AK-HSDH from plants (Arabidopsis ...

journal_title：Protein expression and purification

authors： Paris S,Wessel PM,Dumas R

更新日期：2002-02-01 00:00:00

abstract：:Production of antibody fragments in heterologous hosts such as Escherichiacoli provides a unique and cost-effective method to develop engineered vectors for tumor targeting. A single-chain Fragment variable (scFv) of the murine monoclonal antibody MAb-B43.13 targeting CA125 in epithelial ovarian cancer was previously ...

journal_title：Protein expression and purification

authors： Sharma SK,Suresh MR,Wuest FR

更新日期：2014-10-01 00:00:00

abstract：:Interferons (IFNs) are a family of pleiotropic cytokines used for the treatment of various viral infections and cancers. The low-cost production of IFNs with high biological value and the discovery of IFNs with improved properties are important for the treatment of these diseases as well as for understanding the physi...

journal_title：Protein expression and purification

authors： Platis D,Foster GR

更新日期：2003-10-01 00:00:00

abstract：:A simple and efficient method for hyperexpression in Escherichia coli and purification of capsid protein, p24, of human immunodeficiency virus type 1 (HIV-1) of both B- and C-subtypes is described. DNA-encoding p24 of C-subtype was cloned from C-subtype gag sequence which was obtained by PCR amplification using DNA ex...

journal_title：Protein expression and purification

authors： Gupta S,Arora K,Gupta A,Chaudhary VK

更新日期：2000-08-01 00:00:00

abstract：:Darbepoetin alfa is an engineered and hyperglycosylated analog of recombinant human erythropoietin (EPO) which is used as a drug in treating anemia in patients with chronic kidney failure and cancer. This study desribes the secretory expression of a codon-optimized recombinant form of darbepoetin alfa in Leishmania ta...

journal_title：Protein expression and purification

authors： Kianmehr A,Golavar R,Rouintan M,Mahrooz A,Fard-Esfahani P,Oladnabi M,Khajeniazi S,Mostafavi SS,Omidinia E

更新日期：2016-02-01 00:00:00

abstract：:The heat shock protein hsp60 plays a functional role in insulin-dependent diabetes mellitus. The hsp60 epitope p277 (aa 437-aa 460) is effective in vaccinating mice against diabetes. A synthetic peptide gene (p277) that encodes the human hsp60 epitope was cloned to the 3' end of the cellulose-binding domain gene (cbd)...

journal_title：Protein expression and purification

authors： Shpigel E,Elias D,Cohen IR,Shoseyov O

更新日期：1998-11-01 00:00:00

abstract：:Cytosine-specific DNA methyltransferases are important enzymes in most living organisms. In prokaryotes, most DNA methyltransferases are members of the type II restriction-modification system where they methylate host DNA, thereby protecting it from digestion by the accompanying restriction endonucleases. DNA methyltr...

journal_title：Protein expression and purification

authors： Grgic M,Williamson A,Kjæreng Bjerga GE,Altermark B,Leiros I

更新日期：2018-10-01 00:00:00

abstract：:A relatively inexpensive yet highly efficient and extremely rapid procedure has been developed for the isolation and purification of estrogen receptor from the goat uterine cytosol. Greater than 1 mg of purified receptor protein could be obtained from 75 g of uterine tissue within a period of < 24 h, following this pr...

journal_title：Protein expression and purification

authors： Zafar A,Thampan RV

更新日期：1993-12-01 00:00:00

abstract：:Cysteine-rich intestinal protein (CRIP) is a small, 8.5-kDa protein with one double zinc-finger motif called a LIM domain. It is very abundant in intestine and some immune cells in rodents, and expression is influenced by development and the immune response. We have cloned a human CRIP cDNA from human small intestine ...

journal_title：Protein expression and purification

authors： Khoo C,Blanchard RK,Sullivan VK,Cousins RJ

更新日期：1997-04-01 00:00:00

abstract：:Human pancreatic ribonuclease (HP-RNase) has considerable promise as a therapeutic agent. Structure-function analyses of HP-RNase have been impeded by the difficulty of obtaining the enzyme from its host. Here, a gene encoding HP-RNase was designed, synthesized, and inserted into two expression vectors that then direc...

journal_title：Protein expression and purification

authors： Ribó M,delCardayré SB,Raines RT,de Llorens R,Cuchillo CM

更新日期：1996-05-01 00:00:00

abstract：:Achromogenic atypical Aeromonas salmonicida is the causative agent of goldfish ulcer disease. Virulence of this bacterium is associated with the production of a paracrystalline outer membrane A-layer protein. The species-specific structural gene for the monomeric form of A-protein was cloned into a pET-3d plasmid in o...

journal_title：Protein expression and purification

authors： Maurice S,Hädge D,Dekel M,Friedman A,Gertler A,Shoseyov O

更新日期：1999-08-01 00:00:00

abstract：:We have recently identified a new family of multidomain oxidoreductase (redox) enzymes, the MICALs, that directly regulate the actin cytoskeletal elements necessary for the morphology, motility, and trajectory of cells. Our genetic assays reveal that Mical is both necessary and sufficient for actin organization and ce...

journal_title：Protein expression and purification

authors： Wu H,Hung RJ,Terman JR

更新日期：2016-11-01 00:00:00

abstract：:The gene that was inferred to encode the TyrR protein of Haemophilus influenzae Rd was synthesized by polymerase chain reaction and inserted into a T7-based expression vector. Methods were developed to overexpress the TyrR protein of H. influenzae in Escherichia coli and to purify the protein on a large scale. Both in...

journal_title：Protein expression and purification

authors： Zhu Q,Zhao S,Somerville RL

更新日期：1997-07-01 00:00:00