Patent application number | Description | Published |
20080248511 | METHODS TO QUENCH LIGHT FROM OPTICAL REACTIONS - The present invention relates to single and dual reporter luminescence assays utilizing reagents to quench an optical, e.g., an enzyme-mediated luminescence, reaction. In one embodiment of the invention, a reagent is added to an assay which selectively quenches a first enzyme-mediated luminescence reaction without affecting a subsequent distinct enzyme-mediated luminescent reaction(s). An assay kit containing one or more selective quench reagents, and compositions comprising the quench reagent(s), are also provided. | 10-09-2008 |
20080274488 | Covalent tethering of functional groups to proteins and substrates therefor - A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrolase and the substrate and has at least two amino acid substitutions relative to the wild-type hydrolase. Substrates for hydrolases comprising one or more functional groups are also provided, as well as methods of using the mutant hydrolase and the substrates of the invention. Also provided is a fusion protein capable of forming a stable bond with a substrate and cells which express the fusion protein. | 11-06-2008 |
20080299593 | Luminogenic and fluorogenic compounds and methods to detect molecules or conditions - A method to detect the presence or amount of at least one molecule in a sample which employs a derivative of luciferin or a derivative of a fluorophore is provided. Compounds and compositions for carrying out the methods of the invention are also provided. | 12-04-2008 |
20090023173 | Luminescence-based methods and probes for measuring cytochrome P450 activity - The invention provides compounds, compositions, methods, substrates, and kits useful for analyzing the metabolic activity in cells, tissue, and animals and for screening test compounds for their effect on cytochrome P450 activity. In particular, a one-step and two-step methods using luminogenic molecules, e.g. luciferins or coelenterazines, that are cytochrome P450 substrates and that are also bioluminescent enzyme, e.g., luciferase, pro-substrates are provided. The present method further provides a method for stabilizing and prolonging the luminescent signal in a luciferase-based assay using luciferase stabilizing agents such as reversible luciferase inhibitors. | 01-22-2009 |
20090068646 | METHODS AND KITS FOR DETECTING MUTATIONS - Disclosed are methods and kits for detecting mutations in DNA by comparing the size of an amplified microsatellite locus to the expected size. The methods and kits may used in various applications, including monitoring exposure of a cell or organism to a mutagen, evaluating the mutagenicity of an agent, and evaluating a putative precancerous or cancerous cell or tumor cell for microsatellite instability. | 03-12-2009 |
20090095628 | CLEAVABLE SURFACTANTS - The invention provides surfactant compounds of formulas I-IX, which can be used in methods for aiding the solubilization, digestion, preparation, analysis, and/or characterization of biological material, for example, proteins or cell membranes. The compounds can also aid in the recovery of peptides generated during protein digestion, particularly for in-gel digestion protocol. Additionally, the compounds can improve enzymatic protein deglycosylation without interfering with downstream sample preparation steps and mass spectrometric analysis. The compounds can be specifically useful as digestion aids that can be decomposed by an acid, by heat, or a combination thereof. Decomposition of the surfactants allows for facile separation from isolated samples, and/or allows for analysis of the sample without interfering with the sensitivity of various analytical techniques. | 04-16-2009 |
20090098627 | Method of immobilizing a protein or molecule via a mutant dehalogenase that is bound to an immobilized dehalogenase substrate and linked directly or indirectly to the protein or molecule - A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrolase and the substrate and has at least two amino acid substitutions relative to the wild-type hydrolase. Substrates for hydrolases comprising one or more functional groups are also provided, as well as methods of using the mutant hydrolase and the substrates of the invention. Also provided is a fusion protein capable of forming a stable bond with a substrate and cells which express the fusion protein. | 04-16-2009 |
20090191622 | SYNTHETIC NUCLEIC ACIDS FROM AQUATIC SPECIES - A synthetic nucleic acid molecule is provided that includes nucleotides of a coding region for a fluorescent polypeptide having a codon composition differing at more than 25% of the codons from a parent nucleic acid sequence encoding a fluorescent polypeptide. The synthetic nucleic acid molecule has at least 3-fold fewer transcription regulatory sequences relative to the average number of such sequences in the parent nucleic acid sequence. The polypeptide encoded by the synthetic nucleic acid molecule preferably has at least 85% sequence identity to the polypeptide encoded by the parent nucleic acid sequence. | 07-30-2009 |
20090253131 | HYBRID FUSION REPORTER AND USES THEREOF - The invention provides vectors encoding hybrid fusion proteins and vector sets encoding different hybrid fusion proteins useful, for instance, in protein complementation assays. | 10-08-2009 |
20090305280 | Luciferase biosensors for camp - A modified luciferase protein which is a sensor for molecules including cAMP is provided. The modified luciferase protein includes one or more heterologous amino acid sequences, at least one of which directly or indirectly interacts with cAMP. | 12-10-2009 |
20090311769 | Thermostable luciferases and methods of production - Luciferase enzymes with greatly increased thermostability, e.g., at least half lives of 2 hours at 50° C., cDNAs encoding the novel luciferases, and hosts transformed to express the luciferases, are disclosed. Methods of producing the luciferases include recursive mutagenesis. The luciferases are used in conventional methods, some employing kits. | 12-17-2009 |
20100216231 | VECTORS FOR DIRECTIONAL CLONING - The invention provides vectors and methods for directional cloning. | 08-26-2010 |
20100249427 | BIOLUMINESCENT PROTEASE ASSAY - A sensitive bioluminescent assay to detect proteases including caspases, trypsin and tryptase is provided. | 09-30-2010 |
20100273186 | SPLIT MUTANT HYDROLASE FUSION REPORTER AND USES THEREOF - The invention provides polynucleotides encoding and polypeptides corresponding to split hydrolase fusion proteins, wherein the hydrolase sequence may include at least one substitution, and use of the split hydrolase fusion proteins. | 10-28-2010 |
20100281552 | SYNTHETIC OPLOPHORUS LUCIFERASES WITH ENHANCED LIGHT OUTPUT - A polynucleotide encoding a modified luciferase polypeptide. The modified luciferase polypeptide has at least 60% amino acid sequence identity to a wild-type | 11-04-2010 |
20110039257 | Permuted and nonpermuted luciferase biosensors - A modified luciferase protein which is a sensor for molecules including cAMP, cGMP, calcium, chelators thereof, kinases, or phosphatases is provided. Also provided is a circularly permuted anthozoan luciferase protein and a decapod crustacean luciferase protein, optionally containing one or more heterologous amino acid sequences, at least one of which directly or indirectly interacts with a molecule of interest. Further provided is a modified anthozoan luciferase protein and a decapod crustacean luciferase protein containing an insertion of one or more heterologous amino acid sequences, at least one of which directly or indirectly interacts with a molecule of interest. | 02-17-2011 |
20110171673 | COVALENT TETHERING OF FUNCTIONAL GROUPS TO PROTEINS AND SUBSTRATES THEREFOR - A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrolase and the substrate and has at least two amino acid substitutions relative to the wild-type hydrolase. Substrates for hydrolases comprising one or more functional groups are also provided, as well as methods of using the mutant hydrolase and the substrates of the invention. Also provided is a fusion protein capable of forming a stable bond with a substrate and cells which express the fusion protein. | 07-14-2011 |
20110201024 | COMPOSITIONS COMPRISING A DEHALOGENASE SUBSTRATE AND A FLUORESCENT LABEL AND METHODS OF USE - A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrolase and the substrate. Substrates for hydrolases comprising one or more functional groups are also provided, as well as methods of using the mutant hydrolase and the substrates of the invention. Also provided is a fusion protein capable of forming a stable bond with a substrate and cells which express the fusion protein. | 08-18-2011 |
20110207195 | METHOD OF IMMOBILIZING A PROTEIN OR MOLECULE VIA A MUTANT DEHALOGENASE THAT IS BOUND TO AN IMMOBILIZED DEHALOGENASE SUBSTRATE AND LINKED DIRECTLY OR INDIRECTLY TO THE PROTEIN OR MOLECULE - A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrolase and the substrate and has at least two amino acid substitutions relative to the wild-type hydrolase. Substrates for hydrolases comprising one or more functional groups are also provided, as well as methods of using the mutant hydrolase and the substrates of the invention. Also provided is a fusion protein capable of forming a stable bond with a substrate and cells which express the fusion protein. | 08-25-2011 |
20120009647 | THERMOSTABLE LUCIFERASES AND METHODS OF PRODUCTION - Luciferase enzymes with greatly increased thermostability, e.g., at least half lives of 2 hours at 50° C., cDNAs encoding the novel luciferases, and hosts transformed to express the luciferases, are disclosed. Methods of producing the luciferases include recursive mutagenesis. The luciferases are used in conventional methods, some employing kits. | 01-12-2012 |
20120214677 | LUCIFERASE BIOSENSOR - A modified beetle luciferase protein which is an environmentally sensitive reporter protein is provided. | 08-23-2012 |
20120220013 | COVALENT TETHERING OF FUNCTIONAL GROUPS TO PROTEINS AND SUBSTRATES THEREFOR - A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrolase and the substrate and has at least two amino acid substitutions relative to the wild-type hydrolase. Substrates for hydrolases comprising one or more functional groups are also provided, as well as methods of using the mutant hydrolase and the substrates of the invention. Also provided is a fusion protein capable of forming a stable bond with a substrate and cells which express the fusion protein. | 08-30-2012 |
20120252048 | COMPOSITIONS COMPRISING A DEHALOGENASE SUBSTRATE AND A CONTRAST AGENT AND METHODS OF USE - A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrolase and the substrate. Substrates for hydrolases comprising one or more functional groups are also provided, as well as methods of using the mutant hydrolase and the substrates of the invention. Also provided is a fusion protein capable of forming a stable bond with a substrate and cells which express the fusion protein. | 10-04-2012 |
20120258470 | COMPOSITIONS COMPRISING A DEHALOGENASE SUBSTRATE AND A RADIONUCLIDE AND METHODS OF USE - A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrolase and the substrate. Substrates for hydrolases comprising one or more functional groups are also provided, as well as methods of using the mutant hydrolase and the substrates of the invention. Also provided is a fusion protein capable of forming a stable bond with a substrate and cells which express the fusion protein. | 10-11-2012 |
20120330001 | METHOD OF IMMOBILIZING A PROTEIN OR MOLECULE VIA A MUTANT DEHALOGENASE THAT IS BOUND TO AN IMMOBILIZED DEHALOGENASE SUBSTRATE AND LINKED DIRECTLY OR INDIRECTLY TO THE PROTEIN OR MOLECULE - A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrolase and the substrate and has at least two amino acid substitutions relative to the wild-type hydrolase. Substrates for hydrolases comprising one or more functional groups are also provided, as well as methods of using the mutant hydrolase and the substrates of the invention. Also provided is a fusion protein capable of forming a stable bond with a substrate and cells which express the fusion protein. | 12-27-2012 |
20130164837 | VECTORS FOR DIRECTIONAL CLONING - The invention provides vectors and methods for directional cloning. | 06-27-2013 |
20130183760 | Vectors for directional cloning - The invention provides vectors and methods for directional cloning. | 07-18-2013 |
20130302880 | POLYNUCLEOTIDES ENCODING MUTANT HYDROLASE PROTEINS WITH ENHANCED KINETICS AND FUNCTIONAL EXPRESSION - The invention provides a mutant hydrolase protein with enhanced kinetics and functional expression, as well as polynucleotides encoding the mutant proteins and methods of using the polynucleotides and mutant proteins. | 11-14-2013 |
20130337539 | COVALENT TETHERING OF FUNCTIONAL GROUPS TO PROTEINS AND SUBSTRATES THEREFOR - A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrolase and the substrate and has at least two amino acid substitutions relative to the wild-type hydrolase. Substrates for hydrolases comprising one or more functional groups are also provided, as well as methods of using the mutant hydrolase and the substrates of the invention. Also provided is a fusion protein capable of forming a stable bond with a substrate and cells which express the fusion protein. | 12-19-2013 |
20140120548 | SYNTHETIC OPLOPHORUS LUCIFERASES WITH ENHANCED LIGHT OUTPUT - A polynucleotide encoding a modified luciferase polypeptide. The modified luciferase polypeptide has at least 60% amino acid sequence identity to a wild-type | 05-01-2014 |
20140154716 | LUMINOGENIC AND FLUOROGENIC COMPOUNDS AND METHODS TO DETECT MOLECULES OR CONDITIONS - A method to detect the presence or amount of at least one molecule in a sample which employs a derivative of luciferin or a derivative of a fluorophore is provided. Compounds and compositions for carrying out the methods of the invention are also provided. | 06-05-2014 |
20140186959 | Vectors for directional cloning - The invention provides vectors and methods for directional cloning. | 07-03-2014 |
20140380514 | LUMINESCENCE-BASED METHODS AND PROBES FOR MEASURING CYTOCHROME P450 ACTIVITY - The invention provides compounds, compositions, methods, substrates, and kits useful for analyzing the metabolic activity in cells, tissue, and animals and for screening test compounds for their effect on cytochrome P450 activity. In particular, a one-step and two-step methods using luminogenic molecules, e.g. luciferins or coelenterazines, that are cytochrome P450 substrates and that are also bioluminescent enzyme, e.g., luciferase, pro-substrates are provided. The present method further provides a method for stabilizing and prolonging the luminescent signal in a luciferase-based assay using luciferase stabilizing agents such as reversible luciferase inhibitors. | 12-25-2014 |