Sheep GH Antagonist Protein
Recombinant of sheep GH Antagonist protein
Product Specifications
Product Name Alternative
GH1, GH, GHN, GH-N, hGH-N, Pituitary growth hormone, Growth hormone 1, Somatotropin.
Source
Escherichia Coli
Field of Research
Pharmacology & Drug Discovery
Purity
Greater than 98.0% as determined by: (a) Analysis by RP-HPLC (b) Analysis by Gel Filtration. (c) Analysis by SDS-PAGE.
Bioactivity
GH G119R acts as antagonist using an in vitro bioassay in PDF-P1 3B9 cells stably transfected with rabbit GH receptors. It is capable of forming a 1:1 complex with the recombinant ovine growth hormone receptor extracellular domain (ECD) and binds to this ECD with affinity similar the the wild type oGH.
Form
Sterile Filtered White lyophilized (freeze-dried) powder.
Solubility
It is recommended to reconstitute the lyophilized GH G119R in 0.4% NaHCO3 or water adjusted to pH 9, not less than 100μg/ml, which can then be further diluted to other aqueous solutions, preferably in a presence of a carrier protein such as BSA or similar.
Storage Conditions
Stability: Lyophilized GH G119R although stable at room temperature for at least two weeks, should be stored desiccated below -18°C. Upon reconstitution and filter sterilization GH can be stored at 4°C, pH 9 for up to 4 weeks. For long term storage and more diluted solutions it is recommended to add a carrier protein (0.1% HSA or BSA) . Please prevent freeze-thaw cycles
Notes
For research use only.
Applications Notes
Protein content: Protein quantitation was carried out by UV spectroscopy at 280 nm using the absorbency value of 0.63 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the DNAman computer analysis program of protein sequences
Preservative
The protein was lyophilized from a concentrated (1mg/ml) solution with 0.0045M NaHCO3, pH 9.
AA Sequence
The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Thr-Phe-Pro-Ala
Available Sizes
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