R J Cotter

Author PubWeight™ 115.34‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Structural alterations in the peptide backbone of beta-amyloid core protein may account for its deposition and stability in Alzheimer's disease. J Biol Chem 1993 3.52
2 An inner membrane enzyme in Salmonella and Escherichia coli that transfers 4-amino-4-deoxy-L-arabinose to lipid A: induction on polymyxin-resistant mutants and role of a novel lipid-linked donor. J Biol Chem 2001 2.95
3 beta-Amyloid-(1-42) is a major component of cerebrovascular amyloid deposits: implications for the pathology of Alzheimer disease. Proc Natl Acad Sci U S A 1993 2.80
4 Natural ligand of mouse CD1d1: cellular glycosylphosphatidylinositol. Science 1998 2.76
5 Lipid A modifications characteristic of Salmonella typhimurium are induced by NH4VO3 in Escherichia coli K12. Detection of 4-amino-4-deoxy-L-arabinose, phosphoethanolamine and palmitate. J Biol Chem 1999 2.56
6 A herpesvirus maturational proteinase, assemblin: identification of its gene, putative active site domain, and cleavage site. Proc Natl Acad Sci U S A 1991 2.50
7 Hedgehog patterning activity: role of a lipophilic modification mediated by the carboxy-terminal autoprocessing domain. Cell 1996 2.39
8 Morphology and toxicity of Abeta-(1-42) dimer derived from neuritic and vascular amyloid deposits of Alzheimer's disease. J Biol Chem 1996 2.34
9 Lipid A modifications in polymyxin-resistant Salmonella typhimurium: PMRA-dependent 4-amino-4-deoxy-L-arabinose, and phosphoethanolamine incorporation. J Biol Chem 2001 2.30
10 A strategy for rapid and efficient DNA sequencing by mass spectrometry. Nat Biotechnol 1996 2.30
11 Identification of a Tap-dependent leader peptide recognized by alloreactive T cells specific for a class Ib antigen. Cell 1994 1.92
12 Glycosylphosphatidylinositol anchors of Plasmodium falciparum: molecular characterization and naturally elicited antibody response that may provide immunity to malaria pathogenesis. J Exp Med 2000 1.87
13 Oxygen requirement for the biosynthesis of the S-2-hydroxymyristate moiety in Salmonella typhimurium lipid A. Function of LpxO, A new Fe2+/alpha-ketoglutarate-dependent dioxygenase homologue. J Biol Chem 2000 1.76
14 Accumulation of a polyisoprene-linked amino sugar in polymyxin-resistant Salmonella typhimurium and Escherichia coli: structural characterization and transfer to lipid A in the periplasm. J Biol Chem 2001 1.60
15 Complete structural determination of lipopolysaccharide obtained from deep rough mutant of Escherichia coli. Purification by high performance liquid chromatography and direct analysis by plasma desorption mass spectrometry. J Biol Chem 1988 1.60
16 Chemical characterization of A beta 17-42 peptide, a component of diffuse amyloid deposits of Alzheimer disease. J Biol Chem 1994 1.56
17 Differential regulation of alternatively spliced endothelial cell myosin light chain kinase isoforms by p60(Src). J Biol Chem 2000 1.56
18 Molecular mimicry mediated by MHC class Ib molecules after infection with gram-negative pathogens. Nat Med 2000 1.51
19 Matrix-assisted laser desorption/ionization mass spectrometry of immobilized duplex DNA probes. Nucleic Acids Res 1995 1.48
20 Purification and mass spectrometry of six lipid A species from the bacterial endosymbiont Rhizobium etli. Demonstration of a conserved distal unit and a variable proximal portion. J Biol Chem 2000 1.40
21 p300/CBP-associated factor histone acetyltransferase processing of a peptide substrate. Kinetic analysis of the catalytic mechanism. J Biol Chem 2000 1.38
22 Dimerization of the tat protein from human immunodeficiency virus: a cysteine-rich peptide mimics the normal metal-linked dimer interface. Proc Natl Acad Sci U S A 1988 1.37
23 Dynamic O-GlcNAcylation of the small heat shock protein alpha B-crystallin. Biochemistry 1996 1.37
24 Location of fatty acids in lipid A obtained from lipopolysaccharide of Rhodopseudomonas sphaeroides ATCC 17023. J Biol Chem 1988 1.36
25 Ca2+-induced phosphoethanolamine transfer to the outer 3-deoxy-D-manno-octulosonic acid moiety of Escherichia coli lipopolysaccharide. A novel membrane enzyme dependent upon phosphatidylethanolamine. J Biol Chem 2001 1.33
26 Hydrocarbon rulers in UDP-N-acetylglucosamine acyltransferases. J Biol Chem 1998 1.29
27 Secretion of the beta/A4 amyloid precursor protein. Identification of a cleavage site in cultured mammalian cells. J Biol Chem 1991 1.26
28 Isolation, chemical characterization, and quantitation of A beta 3-pyroglutamyl peptide from neuritic plaques and vascular amyloid deposits. Biochem Biophys Res Commun 1997 1.24
29 High levels of circulating Abeta42 are sequestered by plasma proteins in Alzheimer's disease. Biochem Biophys Res Commun 1999 1.23
30 Glycosylation of mammalian neurofilaments. Localization of multiple O-linked N-acetylglucosamine moieties on neurofilament polypeptides L and M. J Biol Chem 1993 1.21
31 Characterization of a structural series of lipid A obtained from the lipopolysaccharides of Neisseria gonorrhoeae. Combined laser desorption and fast atom bombardment mass spectral analysis of high performance liquid chromatography-purified dimethyl derivatives. J Biol Chem 1986 1.21
32 Murine elongation factor 1 alpha (EF-1 alpha) is posttranslationally modified by novel amide-linked ethanolamine-phosphoglycerol moieties. Addition of ethanolamine-phosphoglycerol to specific glutamic acid residues on EF-1 alpha. J Biol Chem 1989 1.20
33 Shortened hydroxyacyl chains on lipid A of Escherichia coli cells expressing a foreign UDP-N-acetylglucosamine O-acyltransferase. J Biol Chem 1997 1.18
34 A mono-functional 3-deoxy-D-manno-octulosonic acid (Kdo) transferase and a Kdo kinase in extracts of Haemophilus influenzae. J Biol Chem 1997 1.13
35 Profiling of bacteria by fast atom bombardment mass spectrometry. Anal Chem 1987 1.13
36 Dominance of a single peptide bound to the class I(B) molecule, Qa-1b. J Immunol 1997 1.12
37 Chemical reduction of 3-oxo and unsaturated groups in fatty acids of diphosphoryl lipid A from the lipopolysaccharide of Rhodopseudomonas sphaeroides. Comparison of biological properties before and after reduction. J Biol Chem 1991 1.11
38 Proteolysis of A beta peptide from Alzheimer disease brain by gelatinase A. Biochem Biophys Res Commun 1994 1.11
39 A Haemophilus influenzae gene that encodes a membrane bound 3-deoxy-D-manno-octulosonic acid (Kdo) kinase. Possible involvement of kdo phosphorylation in bacterial virulence. J Biol Chem 1999 1.10
40 Elevated abeta42 in skeletal muscle of Alzheimer disease patients suggests peripheral alterations of AbetaPP metabolism. Am J Pathol 2000 1.09
41 Plasma desorption mass spectrometry: coming of age. Anal Chem 1988 1.08
42 Identification of a ganglioside recognition domain of tetanus toxin using a novel ganglioside photoaffinity ligand. J Biol Chem 1997 1.04
43 A curved-field reflectron for improved energy focusing of product ions in time-of-flight mass spectrometry. Rapid Commun Mass Spectrom 1993 1.00
44 Mass spectral analysis of complex lipids desorbed directly from lyophilized membranes and cells. Biochem Biophys Res Commun 1987 0.99
45 A Chlamydia trachomatis UDP-N-acetylglucosamine acyltransferase selective for myristoyl-acyl carrier protein. Expression in Escherichia coli and formation of hybrid lipid A species. J Biol Chem 2001 0.99
46 Expression cloning of a Pseudomonas gene encoding a hydroxydecanoyl-acyl carrier protein-dependent UDP-GlcNAc acyltransferase. J Bacteriol 1998 0.99
47 Resuscitation of dormant Mycobacterium tuberculosis by phospholipids or specific peptides. Biochem Biophys Res Commun 2001 0.98
48 Atmospheric pressure MALDI/ion trap mass spectrometry. Anal Chem 2000 0.95
49 Dioxygen reactivity of mononuclear heme and copper components yielding a high-spin heme-peroxo-cu complex. J Am Chem Soc 2001 0.94
50 Computer-based linear regression analysis of desorption mass spectra of microorganisms. Anal Chem 1988 0.94
51 Constant neutral loss scanning for the characterization of bacterial phospholipids desorbed by fast atom bombardment. Anal Chem 1988 0.94
52 Structure of the monophosphoryl lipid A moiety obtained from the lipopolysaccharide of Chlamydia trachomatis. J Biol Chem 1997 0.93
53 A curved field reflectron time-of-flight mass spectrometer for the simultaneous focusing of metastable product ions. Rapid Commun Mass Spectrom 1994 0.92
54 A novel a-factor-related peptide of Saccharomyces cerevisiae that exits the cell by a Ste6p-independent mechanism. Mol Biol Cell 1997 0.91
55 Advanced stored waveform inverse Fourier transform technique for a matrix-assisted laser desorption/ionization quadrupole ion trap mass spectrometer. Rapid Commun Mass Spectrom 1996 0.91
56 Ultraviolet laser desorption/ionization mass spectrometry of proteins above 100,000 daltons by pulsed ion extraction time-of-flight analysis. Anal Chem 1990 0.90
57 Peptide sequence information derived by pronase digestion and ammonium sulfate in-source decay matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. J Am Soc Mass Spectrom 2000 0.90
58 Purification of contaminated peptides and proteins on synthetic membrane surfaces for matrix-assisted laser desorption/ionization mass spectrometry. Anal Chem 1998 0.89
59 Molecular weight determination of underivatized oligodeoxyribonucleotides by positive-ion matrix-assisted ultraviolet laser-desorption mass spectrometry. Rapid Commun Mass Spectrom 1990 0.89
60 Nitrosative stress with HIV dementia causes decreased L-prostaglandin D synthase activity. Neurology 2007 0.89
61 Molecular structures that influence the immunomodulatory properties of the lipid A and inner core region oligosaccharides of bacterial lipopolysaccharides. Infect Immun 1994 0.88
62 Simplified high-sensitivity sequencing of a major histocompatibility complex class I-associated immunoreactive peptide using matrix-assisted laser desorption/ionization mass spectrometry. Anal Biochem 1995 0.88
63 Tandem time-of-flight mass spectrometer. Anal Chem 1993 0.88
64 Matrix-assisted laser desorption/ionization tandem reflectron time-of-flight mass spectrometry of fullerenes. J Am Soc Mass Spectrom 1996 0.87
65 Confirmation of the structure of lipid A derived from the lipopolysaccharide of Rhodobacter sphaeroides by a combination of MALDI, LSIMS, and tandem mass spectrometry. Anal Chem 1997 0.87
66 Glutathione as a matrix for plasma desorption mass spectrometry of large peptides. Anal Chem 1986 0.86
67 High-order kinetic energy focusing in an end cap reflectron time-of-flight mass spectrometer. Anal Chem 1997 0.86
68 A quadrupole ion trap/time-of-flight mass spectrometer with a parabolic reflectron. J Mass Spectrom 1998 0.86
69 Class I-restricted presentation of an HIV-1 gp41 epitope containing an N-linked glycosylation site. Implications for the mechanism of processing of viral envelope proteins. J Immunol 1996 0.85
70 DNA sequence analysis by hybridization with oligonucleotide microchips: MALDI mass spectrometry identification of 5mers contiguously stacked to microchip oligonucleotides. Nucleic Acids Res 2000 0.85
71 Sequencing peptides without scanning the reflectron: post-source decay with a curved-field reflectron time-of-flight mass spectrometer. Rapid Commun Mass Spectrom 1995 0.84
72 Partial characteristics of an analog of pyridinoline isolated from human skin. Biochem Biophys Res Commun 1985 0.83
73 Molecular pharmacology of hepsulfam, NSC 3296801: identification of alkylated nucleosides, alkylation site, and site of DNA cross-linking. Cancer Res 1995 0.83
74 Miniaturized EI/Q/oa TOF mass spectrometer. J Am Soc Mass Spectrom 2001 0.82
75 Gas phase hydrogen/deuterium exchange reactions of peptide ions in a quadrupole ion trap mass spectrometer. Proteins 1997 0.81
76 Adaptation of a thermospray liquid chromatography/mass spectrometry interface for use with alkaline anion exchange liquid chromatography of carbohydrates. Anal Chem 1990 0.81
77 Desorption of ions from rat membranes: selectivity of different ionization techniques. Biomed Environ Mass Spectrom 1989 0.80
78 Hydrogen peroxide-mediated alteration of the heme prosthetic group of metmyoglobin to an iron chlorin product: evidence for a novel oxidative pathway. Proc Natl Acad Sci U S A 1997 0.80
79 Novel method for the purification and characterization of lipopolysaccharide from Escherichia coli D31m3. Prog Clin Biol Res 1995 0.79
80 Metabolism-based covalent bonding of the heme prosthetic group to its apoprotein during the reductive debromination of BrCCl3 by myoglobin. J Biol Chem 1990 0.79
81 Peer Reviewed: The New Time-of-Flight Mass Spectrometry. Anal Chem 1999 0.78
82 The effects of heating rate and sample size on the direct exposure/chemical ionization mass spectra of some biological conjugates. Biomed Mass Spectrom 1979 0.78
83 Assessment of the effect of growth temperature on the lipid composition of Serratia marcescens using laser desorption mass spectrometry. Rapid Commun Mass Spectrom 1992 0.78
84 A compact time-of-flight mass spectrometer for the structural analysis of biological molecules using laser desorption. Rapid Commun Mass Spectrom 1992 0.78
85 The use of plasma desorption time-of-flight mass spectrometry to screen for products of prohormone processing in crude tissue extracts. Anal Biochem 1988 0.78
86 Derivatives of dicyclopentadiene in ground water. Biomed Environ Mass Spectrom 1987 0.78
87 Detection of non-covalent interaction of single and double stranded DNA with peptides by MALDI-TOF. Proteins 1998 0.78
88 On-probe sample purification of lipids for matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. J Mass Spectrom 2000 0.78
89 Isozyme-specific enzyme inhibitors. 11. L-homocysteine-ATP S-C5' covalent adducts as inhibitors of rat methionine adenosyltransferases. J Med Chem 1986 0.77
90 Sequencing cyclic peptide inhibitors of mammalian ribonucleotide reductase by electrospray ionization mass spectrometry. J Mass Spectrom 2001 0.77
91 Injection of externally generated ions into an increasing trapping field of a quadrupole ion trap mass spectrometer. J Mass Spectrom 1997 0.77
92 Preparation and characterization of biologically active 6'-O-(6-aminocaproyl)-4'-O-monophosphoryl lipid A and its conjugated derivative. Bioconjug Chem 1993 0.77
93 Mass spectrometric analysis of proteins. Curr Opin Biotechnol 1993 0.76
94 Liquid chromatography/time-of-flight mass spectrometry with high-speed integrated transient recording. Anal Chem 1990 0.76
95 Covalent alteration of the prosthetic heme of human hemoglobin by BrCCl3. Cross-linking of heme to cysteine residue 93. J Biol Chem 1992 0.76
96 Ideal velocity focusing in a reflectron time-of-flight mass spectrometer. J Am Soc Mass Spectrom 1999 0.76
97 A matrix-assisted laser desorption time-of-flight mass spectrometer based on a 600 ps, 1.2 mJ nitrogen laser. Rapid Commun Mass Spectrom 1991 0.76
98 Allele-specific HLA-DR typing by mass spectrometry: an alternative to hybridization-based typing methods. Anal Chem 2000 0.75
99 Mass spectral analysis of murine epidermal growth factor. Biochem Biophys Res Commun 1985 0.75
100 Liquid secondary ion time-of-flight mass spectrometry. Anal Chem 1987 0.75
101 Improving the sensitivity of the end-cap reflectron time-of-flight mass spectrometer. J Mass Spectrom 2000 0.75
102 Effects of peptide hydrophobicity and charge state on molecular ion yields in plasma desorption mass spectrometry. Anal Chem 1990 0.75
103 Reduction in liquid secondary ion mass spectrometry. Comparison of the fission fragment and liquid secondary ion mass spectra of organic dyestuffs. Anal Chem 1986 0.75
104 Assessing heterogeneity of the high-mannose glycopeptide gp432 on the variant surface glycoprotein of trypanosomes: a comparison of plasma desorption mass spectrometry and radiolabeling techniques. Anal Chem 1989 0.75
105 Structure of the novel heme adduct formed during the reaction of human hemoglobin with BrCCl3 in red cell lysates. J Biol Chem 1994 0.75
106 Characterization of the "helix clamp" motif of HIV-1 reverse transcriptase using MALDI-TOF MS and surface plasmon resonance. Anal Chem 2000 0.75
107 Plasma desorption mapping of the tryptic digest of 23-kDa recombinant human growth hormone. Anal Biochem 1989 0.75
108 A continuous-flow probe high performance liquid chromatography interface to a liquid secondary-ion time-of-flight mass spectrometer. Rapid Commun Mass Spectrom 1988 0.75
109 Mass-correlated pulsed extraction: theoretical analysis and implementation with a linear matrix-assisted laser desorption/ionization time of flight mass spectrometer. J Am Soc Mass Spectrom 2000 0.75
110 Endothermic ion molecule reactions. J Am Soc Mass Spectrom 1991 0.75
111 Comparison of thermospray and fast atom bombardment mass spectrometry as solution-dependent ionization techniques. Anal Chem 1984 0.75
112 Oligopeptide fragmentation viewed as constant neutral loss. J Am Soc Mass Spectrom 1990 0.75
113 Inactivation of horseradish peroxidase by 3,5-dicarbethoxy-2,6-dimethyl-4-ethyl-1,4-dihydropyridine. Chem Res Toxicol 1995 0.75
114 Laser desorption electron impact: application to a study of the mechanism of conjugation of glutathione and cyclophosphamide. Anal Chem 1990 0.75
115 High-mass ion fragmentation as a function of time and mass. Anal Chem 1987 0.75
116 A pulsed time-of-flight mass spectrometer for liquid secondary ion mass spectrometry. Rapid Commun Mass Spectrom 1988 0.75
117 Miniaturized linear time-of-flight mass spectrometer with pulsed extraction. J Mass Spectrom 2002 0.75
118 Plasma desorption mass spectrometric analysis of glycosylated ovomucoid third domain from Japanese quail. Rapid Commun Mass Spectrom 1988 0.75
119 High-performance collision-induced dissociation of peptide ions formed by matrix-assisted laser desorption/ionization in a quadrupole ion trap mass spectrometer. Anal Chem 1995 0.75
120 Sequencing electroblotted proteins by tandem mass spectrometry. Rapid Commun Mass Spectrom 1995 0.75
121 Pulsed gas introduction for increasing peptide CID efficiency n a MALDI/quadrupole ion trap mass spectrometer. Anal Chem 1996 0.75
122 Fast atom bombardment and plasma desorption mass spectrometry of degraded insulins in intermediate and long-acting preparations. Rapid Commun Mass Spectrom 1988 0.75
123 High-performance liquid chromatography-time-of-flight mass spectrometry and its application to peptide analyses. J Chromatogr 1991 0.75
124 Characterization of oxygen-linked glucuronides by laser desorption mass spectrometry. Biomed Mass Spectrom 1984 0.75
125 Effect of phase locking AC and RF voltages for high mass analysis in a quadrupole ion trap mass spectrometer. Rapid Commun Mass Spectrom 1996 0.75