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Protein Catalog >> Growth Factors >> Growth Hormone >> GHBP Human
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Growth Hormone Binding Protein Human Recombinant
 
Catalogue Number CYT-238
Synonyms GHR, GHBP, GH receptor, Somatotropin receptor.
Introduction GHBP is a transmembrane receptor for growth hormone. Binding of growth hormone to the receptor leads to receptor dimerization and the activation of an intra- and intercellular signal transduction pathway leading to growth. A common alternate allele of this gene, called GHRd3, lacks exon three and has been well-characterized. Mutations in this gene have been associated with Laron syndrome, also known as the growth hormone insensitivity syndrome (GHIS), a disorder characterized by short stature. Other splice variants, including one encoding a soluble form of the protein (GHRtr), have been observed but have not been thoroughly characterized.
Description Growth Hormone Binding Protein Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 237 amino acids and having a molecular mass of 28107.01 Dalton.
GHR is purified by proprietary chromatographic techniques.
Source Escherichia Coli.
Physical Appearance Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation GHBP was lyophilized from a concentrated (1mg/ml) solution with 0.0045mM NaHCO3.
Solubility It is recommended to reconstitute the lyophilized Growth Hormone Binding Protein in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Stability Lyophilized Growth Hormone Binding Protein although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution GHBP should be stored at 4°C between 2-7 days and for future use below -18°C.
For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).
Please prevent freeze-thaw cycles.
Purity Greater than 98.0% as determined by:
(a) Analysis by SEC-HPLC.
(b) Analysis by SDS-PAGE.
Amino acid sequence afsgseataai lsrapwslqs vnpglktnss kepkftkcrs peretfschw tdevhhgtkn lgpiqlfytr rntqewtqew kecpdyvsag enscyfnssf tsiwipycik ltsnggtvde
kcfsvdeivq pdppialnwt llnvsltgih adiqvrweap rnadiqkgwm vleyelqyke vnetkwkmmd pilttsvpvy slkvdkeyev rvrskqrnsg nygefsevly vtlpqmsq.
Biological Activity GHBP is fully biologically active as evidenced by its ability of forming 2:1 complex with HGH.
Protein content Protein quantitation was carried out by two independent methods:
1. UV spectroscopy at 280 nm using the absorbency value of 2.6 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).
2. Analysis by RP-HPLC, using a calibrated solution of GHBP as a Reference Standard.
Usage ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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