Gildhead Seabream Growth Hormone recombinant Protein

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Synonyms

GH1, GH, GHN, GH-N, hGH-N, Pituitary growth hormone, Growth hormone 1, Somatotropin.

Description of Gildhead Seabream Growth Hormone

Somatotropin Gilthead Seabream Recombinant Sparus Aurata produced in E. Coli is a single, non-glycosylated polypeptide chain containing 188 amino acids with an additional Ala at the N-terminus and having a molecular mass of 21.4 kDa.

Biological Activity

Binding assays of the 125I-labeled gilthead seabream GH to dolphin fish liver microsomal fraction resulted in high specific binding characterized by a Ka of 1.93 nM and a Bmax of 540 fmol/mg microsomal fraction protein. Recombinant gilthead seabream Growth Hormone, like ovine placental lactogen, exhibited growth-stimulating activity when applied orally to Sparus aurata larvae or intraperitoneally to juvenile fish.

Reconstitution

It is recommended to reconstitute the lyophilized Growth-Hormone Gilthead Seabream in 0.4% NaHCO₃ or water adjusted to pH 8-9, 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.

Stability

Lyophilized Growth-Hormone Gilthead Seabream 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, order number: 2835.955.xyz or 2835.958.xyz, or BSA, order number: 2835.919.xyz). Please avoid repeated freeze-thaw cycles.

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Amino Acid Sequence

AQPITDGQRL FSIAVSRVQH LHLLAQRLFS DFESSLQTEE QPQLNKIFLQ DFCNCDYII SPIDKHETQR SSVLKLLSIS YRLVESWEFP SRSLSGGSAP R NQISPKLS ELKTGIHLLI RANEDGAEIF PDRSALQLAP YGNYYQSLGT DE SLRRTYE LLACFKKDMH KVETYLTVAK CRLSPEANCT L

Shipped at room temperature

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