Recombinant Enhanced Green Fluorecence Protein
Product Specifications
Background
Green fluorescent protein (GFP) here refers to the protein first purified from jellyfish Aequorea victoria, though many other organisms have similar proteins. It is a 26.9 kDa protein (composed of 238 a.a. residues) that shows green fluorescence in short-wave light (blue to ultraviolet) . Despite of wild-type GFP, many mutants of GFP have been engineered for wider usage in research. Enhanced GFP (eGFP) has S65T and F64L mutations, which make GFP show increased fluorescence and fold more efficiently under 37 respectively. eGFP allows the use of GFP in mammalian cells. In A. Victoria, GFP plays roles as an energy transfer acceptor. It has long been used in cell and molecular biology as a reporter of gene expression. GFP can also been applied as a molecular thermometer to measure temperature accurately in fluids.
Product Name Alternative
EGFP
Gene ID
7011691
UniProt
P42212
Target
MVSKGEELFT GVVPILVELD GDVNGHKFSV SGEGEGDATY GKLTLKFICT TGKLPVPWPT LVTTLTYGVQ CFSRYPDHMK QHDFFKSAMP EGYVQERTIF FKDDGNYKTR AEVKFEGDTL VNRIELKGID FKEDGNILGH KLEYNYNSHN VYIMADKQKN GIKVNFKIRH NIEDGSVQLA DHYQQNTPIG DGPVLLPDNH YLSTQSALSK DPNEKRDHMV LLEFVTAAGI TLGMDELYK
Purification
> 95 % by SDS-PAGE and HPLC analyses.
Endotoxin
Less than 1 EU/ug of reGFP as determined by LAL method.
Storage Conditions
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.- 12 months from date of receipt, -20 to -70 °C as supplied.- 1 month, 2 to 8 °C under sterile conditions after reconstitution.- 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Calculated Molecular Weight
Approximately 26.9 kDa, a single non-glycosylated polypeptide chain containing 239 amino acids.
Formulation
Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4.
Host or Source
Escherichia coli
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