Human Hsp70/Hsp90 organizing protein (Hop) D456G is a mixture of monomeric and dimeric species.

Abstract:

:Hop is a tetratricopeptide repeat domain (TPR)-containing co-chaperone that is able to directly associate with both Hsp70 and Hsp90. Previous data showed that the TPR2A-domain is the primary site for dimerization and that the TPR2B-domain may also play a role in dimerization. We present Hop-D456G, a mutant within the TPR2B-domain, that is a mixture of monomeric and dimeric species.

journal_name

Protein Pept Lett

authors

Gonçalves DC,Gava LM,Ramos CH

doi

10.2174/092986610790963708

subject

Has Abstract

pub_date

2010-04-01 00:00:00

pages

492-8

issue

4

eissn

0929-8665

issn

1875-5305

pii

0091

journal_volume

17

pub_type

杂志文章
  • The Roles of Bursal Nonapeptide (BP9) on AIV Vaccine Immune Response in Chick Immunization and on Avian Immature B Cell.

    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

    pub_type: 杂志文章

    doi:10.2174/0929866526666190730101455

    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

  • Structural basis of human transcription factor Sry-related box 17 binding to DNA.

    abstract::Sry-related box (Sox) transcription factors share a conserved high-mobility-group box domain (HMG-domain) that binds DNA in the minor groove and bends DNA for further assembly of transcriptional machineries. During organogenesis, each member of the Sox family triggers a specific cell lineage differentiation, indicatin...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:

    authors: Gao N,Jiang W,Gao H,Cheng Z,Qian H,Si S,Xie Y

    更新日期:2013-04-01 00:00:00

  • Physiological State Dictates the Proteasomal-Mediated Purging of Misfolded Protein Fragments.

    abstract::A pivotal feature that underlies the development of neurodegeneration is the accumulation of protein aggregates. In response, eukaryotic cells have evolved sophisticated quality control mechanisms to identify, repair and/or eliminate the misfolded abnormal proteins. Chaperones identify any otherwise abnormal conformat...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/0929866526666191026111951

    authors: Eldeeb MA,Ragheb MA,Esmaili M,Hussein F

    更新日期:2020-01-01 00:00:00

  • Kinetic and structural studies on the interactions of heparin and proteins of human seminal plasma using surface plasmon resonance.

    abstract::Heparin is naturally occurring polysaccharides which interacts with seminal plasma proteins and regulate multiple steps in fertilization process. Qualitative and quantitative information regarding the affinity for heparin-seminal plasma proteins interactions is not generally well documented and there are no reports of...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/092986612801619525

    authors: Kumar V,Yadav VK,Hassan MI,Singh AK,Dey S,Singh S,Singh TP,Yadav S

    更新日期:2012-08-01 00:00:00

  • Protein-protein networks construction and their relevance measurement based on multi-epitope-ligand-kartographie and gene ontology data of T-cell surface proteins for polymyositis.

    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

    pub_type: 杂志文章

    doi:10.2174/092986612801619534

    authors: Li FZ,Gao F

    更新日期:2012-08-01 00:00:00

  • Expressed protein ligation: a new tool for the biosynthesis of cyclic polypeptides.

    abstract::The present paper reviews the use of expressed protein ligation for the biosynthesis of backbone cyclized polypeptides. This general method allows the in vivo and in vitro biosynthesis of cyclic polypeptides using recombinant DNA expression techniques. Biosynthetic access to backbone cyclic peptides opens the possibil...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章,评审

    doi:10.2174/0929866054864274

    authors: Kimura R,Camarero JA

    更新日期:2005-11-01 00:00:00

  • Properties of a putative cambialistic superoxide dismutase from the aerotolerant bacterium Streptococcus thermophilus strain LMG 18311.

    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

    pub_type: 杂志文章

    doi:10.2174/092986612799363127

    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

  • Visualization of protein fold space via nonmetric multidimensional scaling.

    abstract::In this paper, a 3D map of protein fold space was produced using Dali structure alignment and nonmetric multidimensional scaling. The fold space comprises four radial clusters, which correspond to the four classes of SCOP. The overall structure of the protein fold space is largely determined by three factors: secondar...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/0929866054395257

    authors: Xu Q

    更新日期:2005-07-01 00:00:00

  • A new binding site involving the C-terminal domain to design specific inhibitors of PepX.

    abstract::PepX is a X-prolyl dipeptidyl aminopeptidase of S15 family that cleaves dipeptides from the N-terminus of polypeptides having a proline or alanine residue at the second position. Involved in bacterial nutrition and in peptide maturation, this serine exopeptidase, counterpart of the mammalian DDP-4, has been proposed t...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:

    authors: André J,Bach M,Xie J,Rigolet P

    更新日期:2013-01-01 00:00:00

  • Predicting protein crystallizability and nucleation.

    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

    pub_type: 杂志文章,评审

    doi:10.2174/092986612800793127

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

    更新日期:2012-07-01 00:00:00

  • Are oblique orientated alpha-helices used by antimicrobial peptides for membrane invasion?

    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

    pub_type: 杂志文章

    doi:10.2174/0929866053406039

    authors: Dennison SR,Harris F,Phoenix DA

    更新日期:2005-01-01 00:00:00

  • Compatibility study of Merrifield linker in Fmoc strategy peptide synthesis.

    abstract::The stability of Merrifield linker in Fmoc deprotection process was quantitatively investigated by establishing working curve of two major decomposition components from two resin bound dipeptide models. By sampling reaction solution and analyzing with RP-HPLC, decomposition rate was determined. The results indicated t...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/092986613804725343

    authors: Yang X,Lin H,Lu W,Wang D

    更新日期:2013-02-01 00:00:00

  • Presence of distinct virtual backbone torsion angles in dipeptide conformers.

    abstract::Zwitterionic dipeptides have recently been shown to exist in water mainly as nine conformational forms with specific combinations of backbone Psi, omega and Phi torsions, which allows conformer-specific molecular recognition of peptide ligands by proteins. Here, we show that pairs of virtual backbone torsions can also...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/0929866023408904

    authors: Gupta S,Grail BM,Payne JW

    更新日期:2002-04-01 00:00:00

  • Search for Functional Flexible Regions in the G-protein Family: New Reading of the FoldUnfold Program.

    abstract:BACKGROUND:Unstructured regions in proteins can vary from several amino acid residues to a completely disordered sequence. Since such regions play an important role in the protein functioning, much attention is being paid to their prediction. Special different programs are available for this purpose; however, predictio...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/0929866525666180621143957

    authors: Deryusheva E,Machulin A,Nemashkalova E,Glyakina A,Galzitskaya O

    更新日期:2018-01-01 00:00:00

  • Development of HCV Therapeutic Vaccines Using Hp91 Peptide and Small Heat Shock Protein 20 as an Adjuvant.

    abstract:BACKGROUND:Hepatitis C Virus (HCV) is a major cause of chronic liver disease in the world. Many studies showed that T-cell responses to HCV Nonstructural Protein 3 (NS3) play an important role in clearing acute HCV infections, thus NS3 can be considered as a suitable candidate antigen for development of a HCV therapeut...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/0929866525666180925145304

    authors: Basirnejad M,Bolhassani A

    更新日期:2018-01-01 00:00:00

  • Use of a Phage-Display Method to Identify Peptides that Bind to a Tin Oxide Nanosheets.

    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

    pub_type: 杂志文章

    doi:10.2174/0929866525666171206114429

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

    更新日期:2018-01-01 00:00:00

  • Expression and purification of uniformly (15)N-labeled amyloid beta peptide 1-40 in Escherichia coli.

    abstract::For biophysical studies using heteronuclear NMR analysis of amyloid beta peptide, construction of an efficient and high yield expression system of uniformly isotopic labeled amyloid beta peptide is desirable. Here we succeeded in obtaining (15)N-labeled amyloid beta 1-40 expressed by attachment to hen egg white lysozy...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/092986607781483741

    authors: Nagata-Uchiyama M,Yaguchi M,Hirano Y,Ueda T

    更新日期:2007-01-01 00:00:00

  • Sialic acid recognition of the pandemic influenza 2009 H1N1 virus: binding mechanism between human receptor and influenza hemagglutinin.

    abstract::Quantum mechanical fragment molecular orbital calculations have been performed for receptor binding of the hemagglutinin protein of the recently pandemic influenza 2009 H1N1, A/swine/Iowa/1930, and A/Puerto Rico/8/1934 viruses to α2-6 linked sialyloligosaccharides, as analogs of human receptors. The strongest receptor...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/092986611794927893

    authors: Fukuzawa K,Omagari K,Nakajima K,Nobusawa E,Tanaka S

    更新日期:2011-05-01 00:00:00

  • Protein-protein interactions in membranes.

    abstract::In this article we review the current status of our understanding of membrane mediated interactions from theory and experiment. Phenomenological mean field and molecular models will be discussed and compared to recent experimental results from dynamical neutron scattering and atomic force microscopy. ...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章,评审

    doi:10.2174/092986611794653941

    authors: Armstrong CL,Sandqvist E,Rheinstädter MC

    更新日期:2011-04-01 00:00:00

  • Fused RolA protein enhances beta-glucoronidase activity 50-fold: implication for RolA mechanism of action.

    abstract::We report that the plant oncoprotein RolA from Agrobacterium rhizogenes acts to stabilize beta-glucoronidase (Gus) when the two proteins are expressed as a fusion protein in transformed tobacco. The observed 50-fold increase of Gus activity was shown to be related to protein accumulation, with no significant changes i...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/0929866033478951

    authors: Barros LM,Curtis RH,Viana AA,Campos L,Carneiro M

    更新日期:2003-06-01 00:00:00

  • Transformation of a biologically active Peptide into peptoid analogs while retaining biological activity.

    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

    pub_type: 杂志文章

    doi:10.2174/092986606777841299

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

    更新日期:2006-01-01 00:00:00

  • A designed beta-hairpin forming peptide undergoes a consecutive stepwise process for self-assembly into nanofibrils.

    abstract::We used a de novo designed, beta-hairpin forming T1 peptide as a model to investigate the kinetics of peptide fibrogenesis by a combination of light scattering (LS), circular dichroism (CD), fluorescence, and atomic force microscopy (AFM). The results demonstrate that the T1 fibrogenesis undergoes a consecutive stepwi...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/092986610790963690

    authors: Wang C,Sha Y

    更新日期:2010-04-01 00:00:00

  • RSARF: prediction of residue solvent accessibility from protein sequence using random forest method.

    abstract::Prediction of protein structure from its amino acid sequence is still a challenging problem. The complete physicochemical understanding of protein folding is essential for the accurate structure prediction. Knowledge of residue solvent accessibility gives useful insights into protein structure prediction and function ...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/092986612798472875

    authors: Pugalenthi G,Kandaswamy KK,Chou KC,Vivekanandan S,Kolatkar P

    更新日期:2012-01-01 00:00:00

  • Anosmin 1 Interacts with the Prokineticin Receptor 2 In Vitro Indicating a Molecular Link Between Both Proteins in the Pathogenesis of Kallmann Syndrome.

    abstract::Sexual maturation and olfactory bulb defects found in prokineticin 2 (Pk2) and prokineticin receptor 2 (Pkr2) mutant mice resembling the phenotypic characteristics of Kallmann syndrome (KS), gave rise to the question of whether these genes would have a role in KS pathogenesis. Later, mutations in both genes were ident...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/0929866523666160517123331

    authors: Murcia-Belmonte V,Astillero-López V,Esteban PF

    更新日期:2016-01-01 00:00:00

  • Histatins in non-human primates: gene variations and functional effects.

    abstract::Human histatins are histidine-rich, low molecular weight salivary proteins that contribute to the immune system of the oral cavity. In this work, nucleotide sequences of the HIS1 (coding for histatin 1) and HIS2 (coding for histatin 3) genes, homologous to the human ones, have been sequenced and analysed in five prima...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/092986610791306715

    authors: Padovan L,Segat L,Pontillo A,Antcheva N,Tossi A,Crovella S

    更新日期:2010-07-01 00:00:00

  • Kinetic studies of the native and mutated intracellular beta-glucosidases from Cellulomonas biazotea.

    abstract::The mutation, conferring streptomycin and deoxyglucose resistance on cells, had profound effect on the kinetic and thermodynamic parameters inferring thermostabilization of beta-glucosidase from mutant 51 SM(r) of Cellulomonas biazotea. Free energy of activation for substrate binding, enthalpy and entropy of activatio...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/0929866053587183

    authors: Rajoka MI,Durrani IS,Khalid AM

    更新日期:2005-04-01 00:00:00

  • Autoantibody reaction to myelin basic protein by plasma parvovirus B19 IgG in MS patients.

    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

    pub_type: 杂志文章

    doi:10.2174/092986606775101715

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

    更新日期:2006-01-01 00:00:00

  • Hydroxyl radical mediates oxidative modification of caprine alpha-2 macroglobulin.

    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

    pub_type: 杂志文章

    doi:10.2174/092986609787049376

    authors: Khan SA,Khan FH

    更新日期:2009-01-01 00:00:00

  • Roles of L5-7 loop in the structure and chaperone function of SsHSP14.1.

    abstract::The small heat shock protein SsHSP14.1 from the hyper-thermophilic archeaon, Sulfolobus solfataricus (S. solfataricus) was able to protect proteins from thermal aggregation and prevent enzymes from heat induced inactivation. According to the 3D (dimensional) structural model of SsHSP14.1 developed by us before, the re...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/092986611794578369

    authors: Wen ZZ,Wang YH,Yang B,Xie MQ,Chou KC

    更新日期:2011-03-01 00:00:00

  • Protein classification based on propagation of unrooted binary trees.

    abstract::We present two efficient network propagation algorithms that operate on a binary tree, i.e., a sparse-edged substitute of an entire similarity network. TreeProp-N is based on passing increments between nodes while TreeProp-E employs propagation to the edges of the tree. Both algorithms improve protein classification e...

    journal_title:Protein and peptide letters

    pub_type: 杂志文章

    doi:10.2174/092986608784567492

    authors: Kocsor A,Busa-Fekete R,Pongor S

    更新日期:2008-01-01 00:00:00