Nucleic acid molecules encoding improved fluorescent mutants of the mKate2 protein, variants and derivatives thereof are provided, as well as proteins and peptides encoded by these nucleic acids. Also provided are proteins that are substantially similar to, or derivatives, homologues, or mutants of, the above-referenced specific proteins. Also provided are fragments of the nucleic acids and the peptides encoded thereby, as well as antibodies specific to the proteins and peptides of the invention. In addition, host-cells, stable cell lines and transgenic organisms comprising above-referenced nucleic acid molecules are provided. The subject protein and nucleic acid compositions find use in a variety of different applications and methods, particularly for labeling of biomolecules, cells or cell organelles. Finally, kits for use in such methods and applications are provided.
C12N 15/00 - Mutation or genetic engineeringDNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purificationUse of hosts therefor
C07H 21/02 - Compounds containing two or more mononucleotide units having separate phosphate or polyphosphate groups linked by saccharide radicals of nucleoside groups, e.g. nucleic acids with ribosyl as saccharide radical
2.
MODIFIED FLUORESCENT PROTEINS AND METHODS FOR USING SAME
Nucleic acid molecules encoding improved fluorescent mutants of the mKate2 protein, variants and derivatives thereof are provided, as well as proteins and peptides encoded by these nucleic acids. Also provided are proteins that are substantially similar to, or derivatives, homologues, or mutants of, the above- referenced specific proteins. Also provided are fragments of the nucleic acids and the peptides encoded thereby, as well as antibodies specific to the proteins and peptides of the invention. In addition, host-cells, stable cell lines and transgenic organisms comprising above-referenced nucleic acid molecules are provided. The subject protein and nucleic acid compositions find use in a variety of different applications and methods, particularly for labeling of biomolecules, cells or cell organelles. Finally, kits for use in such methods and applications are provided.
C12N 15/63 - Introduction of foreign genetic material using vectorsVectorsUse of hosts thereforRegulation of expression
C12N 1/00 - Microorganisms, e.g. protozoaCompositions thereofProcesses of propagating, maintaining or preserving microorganisms or compositions thereofProcesses of preparing or isolating a composition containing a microorganismCulture media therefor
C07K 14/435 - Peptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from animalsPeptides having more than 20 amino acidsGastrinsSomatostatinsMelanotropinsDerivatives thereof from humans
C07K 16/18 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans
3.
METHODS AND COMPOSITIONS FOR VISUALIZATION OF FLUORESCENT PROTEINS
Cell visualization mediums formulated to modify the photostability of a fluorescent protein associated with a cell when present in the medium are provided. Also provided are methods of using the cell visualization mediums, e.g. in visualization methods, as well as kits for use in the practicing embodiments of the invention.