PubRank

M Ptak

Author PubWeight™ 60.64‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Fluorescence indicates a calcium-dependent interaction between the lipopeptide antibiotic LY146032 and phospholipid membranes. Biochemistry 1988 2.14
2 Refined three-dimensional solution structure of insect defensin A. Structure 1995 1.49
3 Solution structure of drosomycin, the first inducible antifungal protein from insects. Protein Sci 1997 1.43
4 An ESR study of the anchoring of spin-labeled stearic acid in lecithin multilayers. Chem Phys Lipids 1976 1.21
5 Surfactin/iturin A interactions may explain the synergistic effect of surfactin on the biological properties of iturin A. Biochimie 1992 1.18
6 The lipopeptide antibiotic A21978C has a specific interaction with DMPC only in the presence of calcium ions. Biochim Biophys Acta 1989 1.15
7 Three-dimensional structure in solution of a wheat lipid-transfer protein from multidimensional 1H-NMR data. A new folding for lipid carriers. Eur J Biochem 1994 1.12
8 Spectroscopic studies of (m5dC-dG)3: thermal stability of B- and Z-forms. Nucleic Acids Res 1983 1.07
9 Two-dimensional 1H NMR study of recombinant insect defensin A in water: resonance assignments, secondary structure and global folding. J Biomol NMR 1992 1.06
10 Interactions of surfactin with membrane models. Biophys J 1995 1.05
11 The B reversible Z transition of poly(dI-br5dC).poly(dI-br5dC). A quantitative description of the Z form dynamic structure. Nucleic Acids Res 1982 1.04
12 Conformation of acetylaminofluorene and aminofluorene modified guanosine and guanosine derivatives. Biochem Biophys Res Commun 1980 1.04
13 Solution structure and lipid binding of a nonspecific lipid transfer protein extracted from maize seeds. Protein Sci 1996 1.03
14 Solution structure of Ace-AMP1, a potent antimicrobial protein extracted from onion seeds. Structural analogies with plant nonspecific lipid transfer proteins. Biochemistry 1998 1.02
15 [Ala4]surfactin, a novel isoform from Bacillus subtilis studied by mass and NMR spectroscopies. Eur J Biochem 1994 1.00
16 Solution three-dimensional structure of surfactin: a cyclic lipopeptide studied by 1H-NMR, distance geometry, and molecular dynamics. Biopolymers 1994 1.00
17 Isolation and characterization of a new variant of surfactin, the [Val7]surfactin. Eur J Biochem 1991 1.00
18 An ESR study of the hydration steps of lecithin multilayers. Chem Phys Lipids 1976 1.00
19 Distortions induced in DNA by cis-platinum interstrand adducts. Biochemistry 1992 0.98
20 1H NMR and fluorescence studies of the complexation of DMPG by wheat non-specific lipid transfer protein. Global fold of the complex. FEBS Lett 1997 0.96
21 Revised structure of mycosubtilin, a peptidolipid antibiotic from Bacillus subtilis. J Antibiot (Tokyo) 1986 0.96
22 Association between CYP2C9 slow metabolizer genotypes and severe hypoglycaemia on medication with sulphonylurea hypoglycaemic agents. Br J Clin Pharmacol 2005 0.94
23 A NMR study of the ionization of fatty acids, fatty amines and N-acylamino acids incorporated in phosphatidylcholine vesicles. Biochim Biophys Acta 1980 0.94
24 Solution structure of a lipid transfer protein extracted from rice seeds. Comparison with homologous proteins. Eur J Biochem 1999 0.93
25 Ionization of fatty acids at the lipid--water interface. FEBS Lett 1978 0.90
26 Gamma delta T cells in normal spleen assist immunized alpha beta T cells in the adoptive cell transfer of contact sensitivity. Effect of Bordetella pertussis, cyclophosphamide, and antibodies to determinants on suppressor cells. J Immunol 1995 0.90
27 Interactions of the lipopeptide antifungal iturin A with lipids in mixed monolayers. Biochim Biophys Acta 1989 0.89
28 1H-NMR-derived secondary structure and the overall fold of the potent anti-mammal and anti-insect toxin III from the scorpion Leiurus quinquestriatus quinquestriatus. Eur J Biochem 1996 0.89
29 Penetration of the insect defensin A into phospholipid monolayers and formation of defensin A-lipid complexes. Biophys J 1997 0.87
30 Pore-forming properties of iturin A, a lipopeptide antibiotic. Biochim Biophys Acta 1985 0.87
31 Antigen-specific T contrasuppressor factor in cell-mediated immunity: interactions leading to eradication of the tolerant state. J Immunol 1984 0.87
32 Solution structure of thanatin, a potent bactericidal and fungicidal insect peptide, determined from proton two-dimensional nuclear magnetic resonance data. Eur J Biochem 1998 0.85
33 Two- and three-dimensional 1H NMR studies of a wheat phospholipid transfer protein: sequential resonance assignments and secondary structure. Biochemistry 1991 0.85
34 Comparison of solution and crystal structures of maize nonspecific lipid transfer protein: a model for a potential in vivo lipid carrier protein. Proteins 1998 0.85
35 Two-dimensional 1H NMR study of d(br5C-G)3 in the Z-form. Self association and flexibility of the left-handed double helix. J Biomol Struct Dyn 1987 0.84
36 Immunological and spectroscopic studies of poly(dG-dC).poly(dG-dC) modified by cis-diamminedichloroplatinum(II). Nucleic Acids Res 1984 0.84
37 Structure of the intrastrand cis-[Pt(NH3)2(d(GpCpG))] adduct in a dodecanucleotide duplex: II. A molecular mechanics modeling study. Anticancer Drug Des 1989 0.83
38 Isotype-like suppression of T cell-mediated immunity in vivo. II. Suppression of the early component of contact sensitivity by a Ly-2+ T cell-derived suppressor factor that binds to contact sensitivity-initiating, antigen-specific, Ly-1+ T cell-derived factors that are of different antigen specificities. J Immunol 1986 0.82
39 Two-dimensional 1H-NMR studies of maize lipid-transfer protein. Sequence-specific assignment and secondary structure. Eur J Biochem 1994 0.82
40 Conformation of malformin A: a proton magnetic resonance and a circular dichroism study. Biopolymers 1973 0.82
41 Secondary structure in solution of the hydrophobic protein of soybean (HPS) as revealed by 1H NMR. J Biomol Struct Dyn 1995 0.82
42 Iturin lipopeptides: interactions of mycosubtilin with lipids in planar membranes and mixed monolayers. Biochim Biophys Acta 1990 0.81
43 Thermal stability of the Z-conformation of the tetranucleoside triphosphate (m5dC-dG)2. Biochem Biophys Res Commun 1984 0.81
44 Isotype-like suppression of T cell-mediated immunity in vivo. I. Delayed-type hypersensitivity specificity of T cell suppression induced by antigen-binding T cell factors that initiate contact sensitivity. J Immunol 1986 0.81
45 The influence of collagenase treatment on the production of TNF-alpha, IL-6 and IL-10 by testicular macrophages. J Immunol Methods 2005 0.81
46 Macrophage function in alloxan diabetic mice: expression of adhesion molecules, generation of monokines and oxygen and NO radicals. Clin Exp Immunol 1998 0.81
47 Bacterial lipopeptides induce ion-conducting pores in planar bilayers. Biochem Biophys Res Commun 1985 0.80
48 Hormonal counterregulation during severe hypoglycaemia under everyday conditions in patients with type 1 and insulin-treated type 2 diabetes mellitus. Exp Clin Endocrinol Diabetes 2004 0.80
49 Aggregated immunoglobulin protects immune T cells from suppression: dependence on isotype, Fc portion, and macrophage FcgammaR. Scand J Immunol 1998 0.80
50 Modulation of macrophage activity by proteolytic enzymes. Differential regulation of IL-6 and reactive oxygen intermediates (ROIs) synthesis as a possible homeostatic mechanism in the control of inflammation. Inflammation 2003 0.79
51 FT-Raman spectroscopic study of human skin subjected to uniaxial stress. J Mech Behav Biomed Mater 2012 0.79
52 The secondary structure of the insect defensin A depends on its environment. A circular dichroism study. Biochimie 1995 0.79
53 Different isoenzyme patterns of nonspecific esterases and the level of IL6 production as markers of macrophage functions. Folia Histochem Cytobiol 1995 0.79
54 The in vivo and in vitro effects of an alkylating agent, mechlorethamine, on IL-6 production in mice and the role of macrophages. Immunopharmacology 1996 0.79
55 Lipopeptides with improved properties: structure by NMR, purification by HPLC and structure-activity relationships of new isoleucyl-rich surfactins. J Pept Sci 1997 0.79
56 Micellization and interactions with phospholipid vesicles of the lipopeptide iturin A, as monitored by time-resolved fluorescence of a D-tyrosyl residue. Biopolymers 1988 0.79
57 A 2D NMR study of the internal flexibility of the antifungal peptide stendomycin. Eur Biophys J 1990 0.79
58 Refined solution structure of the anti-mammal and anti-insect LqqIII scorpion toxin: comparison with other scorpion toxins. Proteins 1997 0.78
59 Interaction of clathrin coat proteins with unilamellar and multilamellar vesicles of phosphatidylcholine. Biochim Biophys Acta 1989 0.78
60 Conformational study of bacterial lipopeptides: refinement of the structure of iturin A in solution by two-dimensional 1H-NMR and energy calculations. Biopolymers 1986 0.78
61 Conformational change on calcium binding by the lipopeptide antibiotic amphomycin. A C.D. and monolayer study. Biochem Biophys Res Commun 1988 0.78
62 A 400 Mhz 1H NMR study of peptidolipin NA, a natural cyclic lipopeptide. Biochem Biophys Res Commun 1980 0.78
63 Crystal structure and conformation of the cyclic dipeptide cyclo-(L-threonyl-L-histidyl) dihydrate. J Am Chem Soc 1976 0.78
64 Suppression and contrasuppression in the induction of contact sensitivity by the administration of cellbound antigen-antibody complexes. J Immunol 1985 0.77
65 Thermal stability of the Z conformation of the hexanucleoside pentaphosphate d(br5CGbr5CGbr5CG): evidence for a conformational transition before melting. Biochimie 1986 0.77
66 Triggering of mannosyltransferase activity in inner mitochondrial membranes by dolichyl-monophosphate incorporation mediated through phospholipids or fatty acids. Eur J Biochem 1990 0.77
67 Hormonal counterregulation and consecutive glimepiride serum concentrations during severe hypoglycaemia associated with glimepiride therapy. Eur J Clin Pharmacol 2003 0.77
68 Interactions between copper (II) ions and L-threonine, L-allo-threonine and L-serine in aqueous solution. Biochim Biophys Acta 1973 0.76
69 A novel composite 90 degrees pulse sequence which provides distortionless NMR spectra and suppresses without destroying the water magnetization. J Magn Reson 1998 0.75
70 Structure of bacillomycin F, a new peptidolipid antibiotic of the iturin group. Eur J Biochem 1985 0.75
71 Deficiency of contrasuppressor lymphocytes in alloxan-diabetic mice. Clin Immunol Immunopathol 1986 0.75
72 The diagnostic value of determining the hydroxy metabolite of glimepiride (M1) in blood serum in cases of severe hypoglycaemia associated with glimepiride therapy. Diabetes Obes Metab 2004 0.75
73 The effect of hydration of lecithin-water lamellar phases: a comparative study of solute diffusion and ESR spectroscopic measurements. Biochem Biophys Res Commun 1973 0.75
74 Calculations of the conformations of Iturin A in relation with NMR studies. J Biomol Struct Dyn 1985 0.75
75 Hydration of peptides. I. Calculation of accessible surface areas for several conformations of a cyclic dipeptide. J Theor Biol 1980 0.75
76 Fatty acids diffusion in lecithin multilayers: hydration and PH effects. Chem Phys Lipids 1977 0.75
77 Modelling and refinement of the conformation of mycosubtilin in solution from two-dimensional NMR data. Eur J Biochem 1987 0.75
78 On the conformation of some substituted adenosine 5'-monophosphates. Biochem Biophys Res Commun 1975 0.75
79 [Analysis of bacterial contamination in health institutions]. Przegl Epidemiol 1982 0.75
80 [Applications of electron paramagnetic resonance to the study of biological molecules]. Biochimie 1975 0.75
81 [Electron paramagnetic resonance of a radical nitroxide fixed on the carboxylic extremity of a polypeptide]. C R Acad Sci Hebd Seances Acad Sci D 1970 0.75
82 A fractional charge model for empirical calculations of peptide-water interactions. Int J Pept Protein Res 1979 0.75
83 A comparative monomolecular film study of antibiotic A21978C homologues of various lipid chain length. Biochim Biophys Acta 1988 0.75
84 Incorporation of spin-labeled fatty acids into bovine brain clathrin coated vesicles. Biochim Biophys Acta 1990 0.75
85 Empirical calculations on cyclic dipeptides. Conformations of serine, threonine and histidine residues. Int J Pept Protein Res 1978 0.75
86 Synthesis, biological activity, conformational analysis by NMR and molecular modeling of N-formyl-L-Met-L-Pro-L-Phe-OMe, a proline analogue of the chemotactic peptide N-formyl-L-Met-L-Leu-L-Phe-OH. Int J Pept Protein Res 1993 0.75
87 Homology modelling of an antimicrobial protein, Ace-AMP1, from lipid transfer protein structures. Fold Des 1997 0.75
88 Hydration of peptides. II. Determination of the preferred sites of interactions of a cyclic dipeptide with water. J Theor Biol 1980 0.75
89 Empirical calculations on cyclic dipeptides. Conformations of aspartic acid, glutamic acid and histidine residues. Int J Pept Protein Res 1980 0.75
90 Cross-reactivity of TNP immune effector T cells that mediate contact hypersensitivity and inflammatory bowel disease in the mouse. Int Arch Allergy Immunol 2000 0.75
91 Preferential induction of antigen-specific contrasuppressor T lymphocytes by trinitrophenyl (TNP)-substituted Langerhans cells. Scand J Immunol 1986 0.75
92 Methylation of the antifungal lipopeptide iturin A modifies its interaction with lipids. Biochimie 1989 0.75
93 Effect of the O-methylation of tyrosine on the pore-forming properties of iturins. Biochim Biophys Acta 1987 0.75
94 Reconstruction of NOESY maps. A requirement for a reliable conformational analysis of biomolecules using 2D NMR. Biophys Chem 1987 0.75
95 Heat-aggregated immunoglobulins increase in vivo immunogenicity of mouse hapten (TNP)-derivatized macrophages by upregulation of interleukin-12 secretion and expression of B7-1 and B7-2 costimulatory molecules. Scand J Immunol 2000 0.75
96 A 400 MHz 1H NMR study of fortuitin, a natural linear lipopeptide. Biochem Biophys Res Commun 1983 0.75
97 A conformational study of Lys-Arg-Asp-Ser and analogs, a series of potent antithrombotic peptides. An approach based on simulated annealing and 1H NMR. J Biomol Struct Dyn 1994 0.75
98 Empirical calculations of peptide-water interactions. Structural aspects of hydration. Biochimie 1982 0.75
99 [Nuclear magnetic resonance of alanine dipeptides in organic solution]. Tetrahedron Lett 1970 0.75
100 Regulation of contact sensitivity reaction: contrasuppressor T cells and contrasuppressor factor downregulate efferent T suppressor cells. Cell Immunol 1992 0.75
101 Semi empirical calculations of cyclo-(L-threonyl-L-histidyl) conformations. Biochem Biophys Res Commun 1976 0.75
102 Instability of bovine brain clathrin-coated vesicles on Sephacryl S-1000 gel chromatography. Anal Biochem 1987 0.75
103 Interactions between Asp, His, Ser residues within models of the active site of serine proteases. A theoretical empirical study. Int J Pept Protein Res 1982 0.75
104 High-pressure Raman scattering and an anharmonicity study of multiferroic wolframite-type Mn0.97Fe0.03WO4. J Phys Condens Matter 2012 0.75
105 [Study by electron paramagnetic resonance and spectrophotometry of absorption of the primary processes in photochemistry of frozen aqueous solutions at 77 degree K of aromatic amino acids and polypeptides]. Photochem Photobiol 1968 0.75