dextro-(+)-tryptophan

(R)-2- amino-3-(1H-indol-3-yl)-propionic acid (2R)-2- amino-3-(1H-indol-3-yl)propanoic acid (R)-2- amino-3-(1H-indol-3-yl)propanoic acid (R)-(+)-2- amino-3-(3-indolyl)propionic acid (R)-2- amino-3-(3-indolyl)propionic acid (2R)-2- amino-3-indol-3-ylpropanoic acid (R)-a- amino-3-indolepropionic acid D-a- amino-3-indolepropionic acid (R)-a- aminoindole-3-propanoic acid D- tryptofaan (+)- tryptophan (R)- tryptophan D- tryptophan D-(+)- tryptophan tryptophan, D- D- trytophane PubMed: Selective recognition of d-tryptophan from d/l-tryptophan mixtures in the presence of Cu(II) by electropolymerized l-lysine film. PubMed: 1-Methyl-D-Tryptophan Potentiates TGF-β-Induced Epithelial-Mesenchymal Transition in T24 Human Bladder Cancer Cells. PubMed: Effects of indoleamine 2,3-dioxygenase inhibitor in non-Hodgkin lymphoma model mice. PubMed: Tryptophan Lyase (NosL): Mechanistic Insights from Substrate Analogues and Mutagenesis. PubMed: The effects of D-Tyrosine combined with amikacin on the biofilms of Pseudomonas aeruginosa. PubMed: N-acetyl-l-tryptophan, but not N-acetyl-d-tryptophan, rescues neuronal cell death in models of amyotrophic lateral sclerosis. PubMed: Trial watch: IDO inhibitors in cancer therapy. PubMed: Growth Inhibition of Listeria monocytogenes, Salmonella enterica, and Escherichia coli O157:H7 by D-tryptophan as an incompatible solute. PubMed: Identification and characterization of mutations conferring resistance to D-amino acids in Bacillus subtilis. PubMed: MRZ-99030 - A novel modulator of Aβ aggregation: I - Mechanism of action (MoA) underlying the potential neuroprotective treatment of Alzheimer's disease, glaucoma and age-related macular degeneration (AMD). PubMed: Enantioseparation of (DL)-tryptophan by spiral tube assembly counter-current chromatography and evaluation of mass transfer rate for enantiomers. PubMed: Comparison of centrally injected tryptophan-related substances inducing sedation in acute isolation stress-induced neonatal chicks. PubMed: The urinary ratio of 3-hydroxykynurenine/3-hydroxyanthranilic acid is an index to predicting the adverse effects of D-tryptophan in rats. PubMed: Structure of the cyclic peptide [W8S]contryphan Vn: effect of the tryptophan/serine substitution on trans-cis proline isomerization. PubMed: Contributions of tryptophan 2,3-dioxygenase and indoleamine 2,3-dioxygenase to the conversion of D-tryptophan to nicotinamide analyzed by using tryptophan 2,3-dioxygenase-knockout mice. PubMed: Chirality sensitive binding of tryptophan enantiomers with pristine single wall carbon nanotubes. PubMed: R-Configuration of 4-Aminopyridyl-Based Inhibitors of CYP51 Confers Superior Efficacy Against Trypanosoma cruzi. PubMed: Kynurenine production mediated by indoleamine 2,3-dioxygenase aggravates liver injury in HBV-specific CTL-induced fulminant hepatitis. PubMed: Indoleamine 2,3-dioxygenase inhibition alters the non-coding RNA transcriptome following renal ischemia-reperfusion injury. PubMed: Biochemical investigations of two 6-DMATS enzymes from Streptomyces reveal new features of L-tryptophan prenyltransferases. PubMed: Suppression of immunodominant antitumor and antiviral CD8+ T cell responses by indoleamine 2,3-dioxygenase. PubMed: Stereoselective preparation of pyridoxal 1,2,3,4-tetrahydro-β-carboline derivatives and the influence of their absolute and relative configuration on the proliferation of the malaria parasite Plasmodium falciparum. PubMed: Endothelin-1 stimulates resistin gene expression. PubMed: [Levo-L-methyl tryptophan induces immune imbalance at maternal-fetal interface in mice]. PubMed: A method for the determination of D-kynurenine in biological tissues. PubMed: Indoleamine 2,3-dioxygenase 2 (IDO2) and the kynurenine pathway: characteristics and potential roles in health and disease. PubMed: D-amino acids indirectly inhibit biofilm formation in Bacillus subtilis by interfering with protein synthesis. PubMed: Use of a fundamental approach to spray-drying formulation design to facilitate the development of multi-component dry powder aerosols for respiratory drug delivery. PubMed: IDO1 plays an immunosuppressive role in 2,4,6-trinitrobenzene sulfate-induced colitis in mice. PubMed: On-line sample preconcentration by sweeping and poly(ethylene oxide)-mediated stacking for simultaneous analysis of nine pairs of amino acid enantiomers in capillary electrophoresis. PubMed: Effect of 1-methyl-D-tryptophan and adoptive transfer of dendritic cells on polymicrobial sepsis induced by cecal content injection. PubMed: Mutation of cysteine residues alters the heme-binding pocket of indoleamine 2,3-dioxygenase-1. PubMed: Stereospecific approach to the synthesis of ring-A oxygenated sarpagine indole alkaloids. Total synthesis of the dimeric indole alkaloid P-(+)-dispegatrine and six other monomeric indole alkaloids. PubMed: Starmerella caucasica sp. nov., a novel anamorphic yeast species isolated from flowers in the Caucasus. PubMed: L-tryptophan suppresses rise in blood glucose and preserves insulin secretion in type-2 diabetes mellitus rats. PubMed: Tetrahydro-β-carboline-based spirocyclic lactam as type II' β-turn: application to the synthesis and biological evaluation of somatostatine mimetics. PubMed: IDO inhibits a tryptophan sufficiency signal that stimulates mTOR: A novel IDO effector pathway targeted by D-1-methyl-tryptophan. PubMed: Amino acids and peptides activate at least five members of the human bitter taste receptor family. PubMed: Molecular cloning of two distinct precursor genes of NdWFamide, a d-tryptophan-containing neuropeptide of the sea hare, Aplysia kurodai. PubMed: Serum stability of selected decapeptide agonists of KISS1R using pseudopeptides. PubMed: Cyclization of fungal nonribosomal peptides by a terminal condensation-like domain. PubMed: D-amino acids for the enhancement of a binary biocide cocktail consisting of THPS and EDDS against an SRB biofilm. PubMed: Kynurenic acid and 3-hydroxykynurenine production from D-kynurenine in mice. PubMed: Unraveling complex small-molecule binding mechanisms by using simple NMR spectroscopy. PubMed: Effects of indoleamine 2,3-dioxygenases in carbon tetrachloride-induced hepatitis model of rats. PubMed: Flexible enantioselectivity of tryptophanase attributable to benzene ring in heterocyclic moiety of d-tryptophan. PubMed: Alteration in the plasma concentration of a DAAO inhibitor, 3-methylpyrazole-5-carboxylic acid, in the ketamine-treated rats and the influence on the pharmacokinetics of plasma D-tryptophan. PubMed: Pharmacological characteristics of endokinin C/D-derived peptides in nociceptive and inflammatory processing in rats. PubMed: Fatal pancreatitis in simian immunodeficiency virus SIV(mac251)-infected macaques treated with 2',3'-dideoxyinosine and stavudine following cytotoxic-T-lymphocyte-associated antigen 4 and indoleamine 2,3-dioxygenase blockade. PubMed: Novel action of 3,4-DAA ameliorating acute liver allograft injury. PubMed: The indoleamine-2,3-dioxygenase (IDO) inhibitor 1-methyl-D-tryptophan upregulates IDO1 in human cancer cells. PubMed: Three new cytochalasins from the marine-derived fungus Spicaria elegans KLA03 by supplementing the cultures with L- and D-tryptophan. PubMed: [Presumptive identification of Cryptococcus gattii isolated from Terminalia catappa in Montería city, Córdoba, Colombia]. PubMed: Association analysis of DTD1 gene variations with aspirin-intolerance in asthmatics. PubMed: An accessory protein required for anchoring and assembly of amyloid fibres in B. subtilis biofilms. PubMed: Vascular expression, activity and function of indoleamine 2,3-dioxygenase-1 following cerebral ischaemia-reperfusion in mice. PubMed: Inhibitor of indoleamine-2,3-dioxygenase 1-methyl-D-tryptophan can stimulate the growth of immunogenic tumors. PubMed: A mechanistic approach for the DNA binding of chiral enantiomeric L- and D-tryptophan-derived metal complexes of 1,2-DACH: cleavage and antitumor activity. PubMed: Ability of IDO to attenuate liver injury in alpha-galactosylceramide-induced hepatitis model. PubMed: Cryptococcus gattii meningoencephalitis in an HIV-negative patient from the Peruvian Andes. PubMed: High-performance affinity monolith chromatography for chiral separation and determination of enzyme kinetic constants. PubMed: Structural features of phenoxycarbonylimino neonicotinoids acting at the insect nicotinic receptor. PubMed: Thermodynamic origin of selective binding of β-cyclodextrin derivatives with chiral chromophoric substituents toward steroids. PubMed: Anti-invasive and antiangiogenic effects of MMI-166 on malignant glioma cells. PubMed: D-amino acids trigger biofilm disassembly. PubMed: The ternary complex of PrnB (the second enzyme in the pyrrolnitrin biosynthesis pathway), tryptophan, and cyanide yields new mechanistic insights into the indolamine dioxygenase superfamily. PubMed: Enantiospecific total synthesis of the important biogenetic intermediates along the ajmaline pathway, (+)-polyneuridine and (+)-polyneuridine aldehyde, as well as 16-epivellosimine and macusine A. PubMed: In situ ATR-FTIR investigation on the preparation and enantiospecificity of chiral polyelectrolyte multilayers. PubMed: Synthesis, cytotoxicity and antileishmanial activity of some N-(2-(indol-3-yl)ethyl)-7-chloroquinolin-4-amines. PubMed: Total synthesis and configurational assignment of chondramide A. PubMed: Synthesis, molecular modeling and biological evaluation of novel tadalafil analogues as phosphodiesterase 5 and colon tumor cell growth inhibitors, new stereochemical perspective. PubMed: Mesenchymal stem cells inhibit complement activation by secreting factor H. PubMed: Biochemical characteristics and inhibitor selectivity of mouse indoleamine 2,3-dioxygenase-2. PubMed: Clean synthesis of molecular recognition polymeric materials with chiral sensing capability using supercritical fluid technology. Application as HPLC stationary phases. PubMed: Photoactive ligands probing the sweet taste receptor. Design and synthesis of highly potent diazirinyl D-phenylalanine derivatives. PubMed: Enantioseparation and amperometric detection of chiral compounds by in situ molecular imprinting on the microchannel wall. PubMed: D-amino acid oxidase generates agonists of the aryl hydrocarbon receptor from D-tryptophan. PubMed: Taste perception of monosodium glutamate and inosine monophosphate by 129P3/J and C57BL/6ByJ mice. PubMed: Influence of exogenous gonadotropin-releasing hormone on seasonal reproductive behavior of the coyote (Canis latrans). PubMed: Tryptophanase-catalyzed L-tryptophan synthesis from D-serine in the presence of diammonium hydrogen phosphate. PubMed: A straightforward total synthesis of (-)-chaetominine. PubMed: The biosynthetic pathway of crucifer phytoalexins and phytoanticipins: de novo incorporation of deuterated tryptophans and quasi-natural compounds. PubMed: Annotating enzymes of uncertain function: the deacylation of D-amino acids by members of the amidohydrolase superfamily. PubMed: Nascent structure-activity relationship study of a diastereomeric series of kappa opioid receptor antagonists derived from CJ-15,208. PubMed: Combined effect of antiretroviral therapy and blockade of IDO in SIV-infected rhesus macaques. PubMed: Aromatic D-amino acids act as chemoattractant factors for human leukocytes through a G protein-coupled receptor, GPR109B. PubMed: Blockade of indoleamine 2,3-dioxygenase protects mice against lipopolysaccharide-induced endotoxin shock. PubMed: Incretin release from gut is acutely enhanced by sugar but not by sweeteners in vivo. PubMed: Overexpression of indoleamine 2,3-dioxygenase in human endometrial carcinoma cells induces rapid tumor growth in a mouse xenograft model. PubMed: Determination of the enantiomeric composition of some molecules of pharmaceutical interest by chemometric analysis of the UV spectra of guest-host complexes formed with modified cyclodextrins. PubMed: The indoleamine 2,3-dioxygenase pathway is essential for human plasmacytoid dendritic cell-induced adaptive T regulatory cell generation. PubMed: Effects of central administration of gonadotropin-releasing hormone agonists and antagonist on elevated plus-maze and social interaction behavior in rats. PubMed: Enantiospecific synthesis of (+)-alstonisine via a stereospecific osmylation process. PubMed: Linear and cyclic peptides from the entomopathogenic bacterium Xenorhabdus nematophilus. PubMed: Kinetic determination of tryptophan by using the B-Z oscillating chemical system. PubMed: Indoleamine 2,3-dioxygenase expression promotes renal ischemia-reperfusion injury. PubMed: Quantitation of cardioexcitatory Asn-D-Trp-Phe-NH2 diastereomers in Aplysia's central nervous system by nanoscale liquid chromatography-tandem mass spectrometry. PubMed: Indoleamine 2,3-dioxygenase-2; a new enzyme in the kynurenine pathway. PubMed: Total synthesis and initial structure-activity relationships of longicatenamycin A. PubMed: Growth and pigment production on D-tryptophan medium by Cryptococcus gattii, Cryptococcus neoformans, and Candida albicans. PubMed: Abatacept modulates human dendritic cell-stimulated T-cell proliferation and effector function independent of IDO induction. PubMed: Phospholipid-protein coatings for chiral capillary electrochromatography. PubMed: Allelic variation of the Tas1r3 taste receptor gene selectively affects taste responses to sweeteners: evidence from 129.B6-Tas1r3 congenic mice. PubMed: Fluorescence sensing and selective binding of L- and D-tryptophan-modified permethylated beta-cyclodextrins for aliphatic oligopeptides. PubMed: [Design and synthesis of cholecystokinin-4 dipeptide analogues with anxiolytic and anxiogenic activities]. PubMed: Toxicology and pharmacokinetics of 1-methyl-d-tryptophan: absence of toxicity due to saturating absorption. PubMed: Proapoptotic activity of indoleamine 2,3-dioxygenase expressed in renal tubular epithelial cells. PubMed: Discovery of a dual action first-in-class peptide that mimics and enhances CNS-mediated actions of thyrotropin-releasing hormone. PubMed: Recombinant polycistronic structure of hydantoinase process genes in Escherichia coli for the production of optically pure D-amino acids. PubMed: Inherently chiral molecular clips: synthesis, chiroptical properties, and application to chiral discrimination. PubMed: Phosphoramidate pronucleotides: a comparison of the phosphoramidase substrate specificity of human and Escherichia coli histidine triad nucleotide binding proteins. PubMed: Synovial autoreactive T cells in rheumatoid arthritis resist IDO-mediated inhibition. PubMed: Immunocytochemical visualization of D-glutamate in the rat brain. PubMed: Preliminary crystallographic characterization of PrnB, the second enzyme in the pyrrolnitrin biosynthetic pathway. PubMed: Prevention of severe menorrhagia in oncology patients with treatment-induced thrombocytopenia by luteinizing hormone-releasing hormone agonist and depo-medroxyprogesterone acetate. PubMed: In vitro evaluation of biospecific and pseudobiospecific ligands aimed at extracorporeal treatment for immunoglobulin E removal. PubMed: Is glycine "sweet" to mice? Mouse strain differences in perception of glycine taste. PubMed: Taste responses to sweet stimuli in alpha-gustducin knockout and wild-type mice. PubMed: Bis(glycinium) oxalate: evidence of strong hydrogen bonding. PubMed: Membrane association and contact formation by a synthetic analogue of polymyxin B and its fluorescent derivatives. PubMed: Biosynthesis of indocarbazostatin B, incorporation of D-[U-13C] glucose and L-[2-13C] tryptophan. PubMed: Sensitive high-performance liquid chromatographic assay for D-amino-acid oxidase activity in mammalian tissues using a fluorescent non-natural substrate, 5-fluoro-D-tryptophan. PubMed: Characterization of bovine serum albumin-tryptophan interaction by capillary isoelectric focusing with whole column imaging detection. PubMed: Reactive oxygen species generation is involved in epidermal growth factor receptor transactivation through the transient oxidization of Src homology 2-containing tyrosine phosphatase in endothelin-1 signaling pathway in rat cardiac fibroblasts. PubMed: General approach for the synthesis of 12-methoxy-substituted sarpagine indole alkaloids including (-)-12-methoxy-N(b)-methylvoachalotine, (+)-12-methoxy-N(a)-methylvellosimine, (+)-12-methoxyaffinisine, and (-)-fuchsiaefoline. PubMed: Indoleamine 2,3-dioxygenase participates in the interferon-gamma-induced cell death process in cultured bovine luteal cells. PubMed: [Pharmacokinetics and pharmacodynamics of triptorelin]. PubMed: Diastereomeric molecular recognition and binding behavior of bile acids by L/D-tryptophan-modified beta-cyclodextrins. PubMed: Induction of apoptosis in HL-60 cells by skimmed milk digested with a proteolytic enzyme from the yeast Saccharomyces cerevisiae. PubMed: Inhibition of indoleamine 2,3-dioxygenase (IDO) enhances elimination of virus-infected macrophages in an animal model of HIV-1 encephalitis. PubMed: Purification, characterization, gene cloning and nucleotide sequencing of D: -stereospecific amino acid amidase from soil bacterium: Delftia acidovorans. PubMed: Esterification of Escherichia coli tRNAs with D-histidine and D-lysine by aminoacyl-tRNA synthetases. PubMed: A general strategy for the synthesis of vincamajine-related indole alkaloids: stereocontrolled total synthesis of (+)-dehydrovoachalotine, (-)-vincamajinine, and (-)-11-methoxy-17-epivincamajine as well as the related quebrachidine diol, vincamajine diol, and vincarinol. PubMed: Determination of protein-ligand binding affinity by NMR: observations from serum albumin model systems. PubMed: Formation of D-tyrosyl-tRNATyr accounts for the toxicity of D-tyrosine toward Escherichia coli. PubMed: Optimization of ultrafiltration/diafiltration processes for partially bound impurities. PubMed: Temperature-sensitive polymer-conjugated IFN-gamma induces the expression of IDO mRNA and activity by fibroblasts populated in collagen gel (FPCG). PubMed: Expression of indoleamine 2,3-dioxygenase by plasmacytoid dendritic cells in tumor-draining lymph nodes. PubMed: The first gamma-carboxyglutamic acid-containing contryphan. A selective L-type calcium ion channel blocker isolated from the venom of Conus marmoreus. PubMed: Solution structure of the cyclic peptide contryphan-Vn, a Ca2+-dependent K+ channel modulator. PubMed: [Effect of various methods of oxygenation in the isolated small intestine on the tryptophan and glycine accumulation]. PubMed: Allelic variation of the Tas1r3 taste receptor gene selectively affects behavioral and neural taste responses to sweeteners in the F2 hybrids between C57BL/6ByJ and 129P3/J mice. PubMed: Stereocontrolled total synthesis of (-)-vincamajinine and (-)-11-methoxy-17-epivincamajine. PubMed: Behavioral study in the gray mouse lemur (Microcebus murinus) using compounds considered sweet by humans. PubMed: Regiospecific, enantiospecific total synthesis of the 12-alkoxy-substituted indole alkaloids, (+)-12-methoxy-Na-methylvellosimine, (+)-12-methoxyaffinisine, and (-)-fuchsiaefoline. PubMed: General approach for the synthesis of sarpagine indole alkaloids. Enantiospecific total synthesis of (+)-vellosimine, (+)-normacusine B, (-)-alkaloid Q3, (-)-panarine, (+)-Na-methylvellosimine, and (+)-Na-methyl-16-epipericyclivine. PubMed: Delftia tsuruhatensis sp. nov., a terephthalate-assimilating bacterium isolated from activated sludge. PubMed: Inhibition of indoleamine 2,3-dioxygenase activity in IFN-gamma stimulated astroglioma cells decreases intracellular NAD levels. PubMed: Proliferation of peripheral blood mononuclear cells is suppressed by the indoleamine 2,3-dioxygenase expression of interferon-gamma-treated skin cells in a co-culture system. PubMed: Immune cell proliferation is suppressed by the interferon-gamma-induced indoleamine 2,3-dioxygenase expression of fibroblasts populated in collagen gel (FPCG). PubMed: The enantiospecific, stereospecific total synthesis of the ring-A oxygenated sarpagine indole alkaloids (+)-majvinine, (+)-10-methoxyaffinisine, and (+)-N(a)-methylsarpagine, as well as the total synthesis of the alstonia bisindole alkaloid macralstonidine. PubMed: Some sweet and bitter tastants stimulate inhibitory pathway of adenylyl cyclase via melatonin and alpha 2-adrenergic receptors in Xenopus laevis melanophores. PubMed: Distribution of the Aplysia cardioexcitatory peptide, NdWFamide, in the central and peripheral nervous systems of Aplysia. PubMed: Biomimetic entry to the sarpagan family of indole alkaloids: total synthesis of +-geissoschizine and +-N-methylvellosimine. PubMed: Functional and molecular characteristics of system L in human breast cancer cells. PubMed: Contryphan-Vn: a modulator of Ca2+-dependent K+ channels. PubMed: Study of tryptophan enantiomer binding to a teicoplanin-based stationary phase using the perturbation technique. Investigation of the role of sodium perchlorate in solute retention and enantioselectivity. PubMed: The chemical syntheses and bioactivities of novel peptide-based endothelin antagonists. PubMed: Induction of anthranilate synthase activity by elicitors in oats. PubMed: Transport of D-serine via the amino acid transporter ATB(0,+) expressed in the colon. PubMed: Study of competitive binding of enantiomers to protein by affinity capillary electrochromatography. PubMed: Contryphan-Vn: a novel peptide from the venom of the Mediterranean snail Conus ventricosus. PubMed: Isotachophoresis separations of enantiomers on a planar chip with coupled separation channels. PubMed: Body and intestinal growth of broiler chicks on a commercial starter diet. 3. Development and characteristics of tryptophan transport. PubMed: Sweetener preference of C57BL/6ByJ and 129P3/J mice. PubMed: Efficient asymmetric synthesis of biologically important tryptophan analogues via a palladium-mediated heteroannulation reaction. PubMed: Fluorometric studies on inclusion complexation of L/D-tryptophan by beta-cyclodextrin 6-O-pyridinecarboxylates. PubMed: Amino acid phosphoramidate monoesters of 3'-azido-3'-deoxythymidine: relationship between antiviral potency and intracellular metabolism. PubMed: Contryphans from Conus textile venom ducts. PubMed: 4SR, a novel zinc-finger protein with SR-repeats, is expressed during early development of Xenopus. PubMed: Metabolism of D-aminoacyl-tRNAs in Escherichia coli and Saccharomyces cerevisiae cells. PubMed: General approach for the synthesis of sarpagine/ajmaline indole alkaloids. Stereospecific total synthesis of the sarpagine alkaloid (+)-vellosimine. PubMed: Effect of tryptophan on the early tri-iodothyronine uptake in mouse thymocytes. PubMed: Expression and purification of recombinant human indoleamine 2, 3-dioxygenase. PubMed: Two syntheses of the 16- and 17-membered DEF ring systems of chloropeptin and complestatin. PubMed: Enantiospecific total synthesis of the sarpagine related indole alkaloids talpinine and talcarpine as well as the improved total synthesis of alstonerine and anhydromacrosalhine-methine via the asymmetric Pictet-Spengler reaction. PubMed: Efficiency of D-tryptophan as Niacin in rats. PubMed: Yeast protease B-digested skimmed milk inhibits angiotensin-I-converting-enzyme activity. PubMed: Electrophysiological evidence for a hyperpolarizing, galanin (1-15)-selective receptor on hippocampal CA3 pyramidal neurons. PubMed: Crosslinking of imprinted proteases to maintain a tailor-made substrate selectivity in aqueous solutions. PubMed: Solution structure of contryphan-R, a naturally occurring disulfide-bridged octapeptide containing D-tryptophan: comparison with protein loops. PubMed: A novel D-leucine-containing Conus peptide: diverse conformational dynamics in the contryphan family. PubMed: Study of a noncovalent trp repressor: DNA operator complex by electrospray ionization time-of-flight mass spectrometry. PubMed: Enhanced responses of the chorda tympani nerve to nonsugar sweeteners in the diabetic db/db mouse. PubMed: The contryphans, a D-tryptophan-containing family of Conus peptides: interconversion between conformers. PubMed: First identification of autochthonous Cryptococcus neoformans var. gattii isloated from goats with predominantly severe pulmonary disease in Spain. PubMed: Identification of a pituitary growth hormone-releasing peptide (GHRP) receptor subtype by photoaffinity labeling. PubMed: Kynurenine pathway inhibition reduces neurotoxicity of HIV-1-infected macrophages. PubMed: Imprinting of lyophilized alpha-chymotrypsin affects the reactivity of the active-site imidazole. PubMed: Amino Acid Effects on Post-Stress Ulcers: Relationship to Brain Serotonin, 5-HIAA and Norepinephrine. PubMed: Effect of mobile phase composition on the binding kinetics of chiral solutes on a protein-based high-performance liquid chromatography column: interactions of D- and L-tryptophan with immobilized human serum albumin. PubMed: Changes in outward K+ currents in response to two types of sweeteners in sweet taste transduction of gerbil taste cells. PubMed: Surface Monolayers of Poly(l-glutamic Acid)-Functionalized Amphiphiles: Effect of Attachment of Spiropyran to the Polymer Segment PubMed: Selection of potent inhibitors of farnesyl-protein transferase from a synthetic tetrapeptide combinatorial library. PubMed: Evolution of the sweetness receptor in primates. II. Gustatory responses of non-human primates to nine compounds known to be sweet in man. PubMed: Contryphan is a D-tryptophan-containing Conus peptide. PubMed: A modification of the N-terminal amino acid in the eremomycin aglycone. PubMed: Endothelin receptor mediated constriction and dilatation in feline cerebral resistance arterioles in vivo. PubMed: Synthesis and structure-activity relationships of 2-substituted D-tryptophan-containing peptidic endothelin receptor antagonists: importance of the C-2 substituent of the D-tryptophan residue for endothelin A and B receptor subtype selectivity. PubMed: Induction of the d-Amino Acid Oxidase from Trigonopsis variabilis. PubMed: Schistosoma mansoni: evidence for a 28-kDa membrane-anchored protease on schistosomula. PubMed: Tryptophanase-catalysed degradation of D-tryptophan in highly concentrated diammonium hydrogen phosphate solution. PubMed: Role of binding capacity versus binding strength in the separation of chiral compounds on protein-based high-performance liquid chromatography columns. Interactions of D- and L-tryptophan with human serum albumin. PubMed: Cryptococcus neoformans var. gattii can be separated from var. neoformans by its ability to assimilate D-tryptophan. PubMed: Investigation of the chemosensory function of amphids of Syngamus trachea using electrophysiological techniques. PubMed: Hexarelin, a novel GHRP-6 analog, counteracts the inhibitory effect of hydrocortisone on growth hormone secretion in acromegaly. PubMed: Solution conformational dynamics of the C-terminal residues in endothelin-1 and some analogues: a time-resolved fluorescence study. PubMed: Kinetic characterization of a carrier-mediated transport system for L-tryptophan in human blood platelets. PubMed: Structural features of L-tryptophan required for activation of TRAP, the trp RNA-binding attenuation protein of Bacillus subtilis. PubMed: Detection of water proximity to tryptophan residues in proteins by single photon radioluminescence. PubMed: Sequential gonadotrophin-releasing hormone agonist/low-dose oral contraceptive treatment for leiomyomata uteri. PubMed: Tryptophan 2,3-dioxygenase in Saccharomyces cerevisiae. PubMed: Stereospecific effects of intraduodenal tryptophan on pyloric and duodenal motility in humans. PubMed: Attempted protection of spermatogenesis from irradiation in patients with seminoma by D-Tryptophan-6 luteinizing hormone releasing hormone. PubMed: The role of insulin in ovarian size in patients with the polycystic ovary syndrome. PubMed: Effect of modulators of the adenylate cyclase system on sweet electrophysiological taste responses in gerbil. PubMed: Stimulation of erythropoiesis by the non-steroidal anti-androgen nilutamide in men with prostate cancer: evidence for an agonistic effect? PubMed: Synthesis and spectral characterization of 5'-phosphopyridoxyl-D,L-7-azatryptophan, a photophysical probe of protein structure and dynamics. PubMed: Amino acid N-malonyltransferases from mung beans. Action on 1-aminocyclopropane-1-carboxylic acid and D-phenylalanine. PubMed: Enhancement of murine gustatory neural responses to D-amino acids by saccharin. PubMed: Study of a reagent- and mediator-less biosensor for D-amino acids based on co-immobilized D-amino acid oxidase and peroxidase in carbon paste electrodes. PubMed: Synthesis and biological evaluation of cholecystokinin analogs in which the Asp-Phe-NH2 moiety has been replaced by a 3-amino-7-phenylheptanoic acid or a 3-amino-6-(phenyloxy)hexanoic acid. PubMed: Characterization of the binding and chiral separation of D- and L-tryptophan on a high-performance immobilized human serum albumin column. PubMed: Another look at co-treatment with growth hormone and human menopausal gonadotrophins in poor ovarian responders. PubMed: Lysine 87 in the beta subunit of tryptophan synthase that forms an internal aldimine with pyridoxal phosphate serves critical roles in transimination, catalysis, and product release. PubMed: Unexpected antinociceptive potency of cyclic [D-Tca1]CTAP: potential for a novel mechanism of action. PubMed: Bioavailable level and source of cysteine determine protein quality of a commercial enteral product: adequacy of tryptophan but deficiency of cysteine for rats fed an enteral product prepared fresh or stored beyond shelf life. PubMed: Peptidoglycan tripeptide content and cross-linking are altered in Enterobacter cloacae induced to produce AmpC beta-lactamase by glycine and D-amino acids. PubMed: Purification and characterization of anthranilate synthase from Catharanthus roseus. PubMed: Genetically variable taste sensitivity to D-amino acids in mice. PubMed: Studies on neurokinin antagonists. 1. The design of novel tripeptides possessing the glutaminyl-D-tryptophylphenylalanine sequence as substance P antagonists. PubMed: Subunit communication in the tryptophan synthase alpha 2 beta 2 complex. Effects of beta subunit ligands on proteolytic cleavage of a flexible loop in the alpha subunit. PubMed: Biosynthesis of pyrrolnitrin. Incorporation of 13C, 15N double-labelled D- and L-tryptophan. PubMed: NMR studies of the activation of the Escherichia coli trp repressor. PubMed: Role of D-tryptophan for affinity of MEN 10207 tachykinin antagonist at NK2 receptors. PubMed: Some pharmacological properties of cyclic and linear analogs obtained by substituting each residue of an oxytocin antagonist with D-tryptophan. PubMed: Synthesis and biological activity of 2-phenylethyl ester analogues of C-terminal heptapeptide of cholecystokinin modified in Trp 30 region. PubMed: Tryptophan protects human melanoma cells against gamma-interferon and tumour necrosis factor-alpha: a unifying mechanism of action. PubMed: Biosynthesis of indole-3-acetic acid in tomato shoots: Measurement, mass-spectral identification and incorporation of (-2)H from (-2)H 2O into indole-3-acetic acid, D- and L-tryptophan, indole-3-pyruvate and tryptamine. PubMed: Bradykinin agonist activity of a novel, potent oxytocin antagonist. PubMed: Stable Isotope Labeling, in Vivo, of d- and l-Tryptophan Pools in Lemna gibba and the Low Incorporation of Label into Indole-3-Acetic Acid. PubMed: Design of potent oxytocin antagonists featuring D-tryptophan at position 2. PubMed: Effect of D-amino acids on Escherichia coli strains with impaired penicillin-binding proteins. PubMed: [Structure-activity relationship of cystokinins: analogs exhibiting selective activity]. PubMed: Purification and characterisation of an extracellular serine proteinase from Aspergillus fumigatus and its detection in tissue. PubMed: In vivo neurochemical and behavioural effects of intracerebrally administered neurotensin and D-Trp11-neurotensin on mesolimbic and nigrostriatal dopaminergic function in the rat. PubMed: Cyclic hexapeptides related to somatostatin. Conformational analysis employing 1H-NMR and molecular dynamics. PubMed: Spantide II, a novel tachykinin antagonist having high potency and low histamine-releasing effect. PubMed: Transport of benzenoid amino acids by system T and four broad scope systems in preimplantation mouse conceptuses. PubMed: Inhibitors of human renin. Cyclic peptide analogues containing a D-Phe-Lys-D-Trp sequence. PubMed: Correlation between follicular fluid content and the results of in vitro fertilization and embryo transfer. III. Proteoglycans. PubMed: Antagonism of the gerbil's sweetener and Polycose gustatory responses by copper chloride. PubMed: Studies on the crystal structure of A1-(D-Tryptophan) insulin. PubMed: Regression of nitrosamine-induced pancreatic cancers in hamsters treated with luteinizing hormone-releasing hormone antagonists or agonists. PubMed: Synthesis and biological activity of NK-2 selective tachykinin antagonists containing D-tryptophan. PubMed: A highly selective NK-2 tachykinin receptor antagonist containing D-tryptophan. PubMed: Cytotoxicity of S-(1,2,3,4,4-pentachlorobutadienyl)-L cysteine after apical and basolateral exposure of LLC-PK monolayers. Involvement of an amino acid transport system. PubMed: Separate and shared lysosomal transport of branched and aromatic dipolar amino acids. PubMed: Carrier-Mediated Uptake of 1-(Malonylamino)cyclopropane-1-Carboxylic Acid in Vacuoles Isolated from Catharanthus roseus Cells. 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