ProSpec-GH Bovine

  • Description
  • GH Bovine

  • Growth Hormone Bovine Recombinant
  • CYT-636

Catalogue number

CYT-636

Synonyms

BGH, BST, rBGH, rBST, Bovine Somatotropin, Bovine GH, Growth hormone, GH1.

Introduction

GH is a member of the somatotropin/prolactin family of hormones which play an important role in growth control. The gene, along with four other related genes, is located at the growth hormone locus on chromosome 17 where they are interspersed in the same transcriptional orientation; an arrangement which is thought to have evolved by a series of gene duplications. The five genes share a remarkably high degree of sequence identity. Alternative splicing generates additional isoforms of each of the five growth hormones, leading to further diversity and potential for specialization. This particular family member is expressed in the pituitary but not in placental tissue as is the case for the other four genes in the growth hormone locus. Mutations in or deletions of the gene lead to growth hormone deficiency and short stature.

Description

Growth Hormone Bovine Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 191 amino acids and having a molecular mass of 21.8 kDa.
The GH Bovine Recombinant is purified by proprietary chromatographic techniques.

Source

Escherichia Coli.

Physical Appearance

Sterile Filtered White lyophilized powder.

Formulation

The Bovine Growth Hormone protein was lyophilized from a concentrated solution with 4.5mM NaHCO3 adjusted to pH 8-9.

Solubility

It is recommended to reconstitute the lyophilized Bovine Growth Hormone in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

Stability

Lyophilized Bovine Growth Hormone although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution GH Bovine 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 .
Please prevent freeze-thaw cycles.

Purity

Greater than 98.0% as determined by:
Analysis by RP-HPLC.
Analysis by -PAGE.

Amino acid sequence

1      afpamslsgl fanavlraqh lhqlaadtfk efertyipeg qrysiqntqv 
51    afcfsetmpa ptgkneaqqk sdlellrisl lliqswlgpl qflsrvftns 
101  lvfgtsdrvy eklkdleegi lalmreledg tprrgqilkq tydkfdtnmr 
151  sddallknyg llscfrkdlh ktetylrvmk crrfgeasca f

Biological Activity

The activity as determined by the PDFP13B9 cells stably transfected with rabbit GH receptors. Bovine GH is also capable of forming a 1:2 complex with the recombinant ovine growth hormone receptor extracellular domain .

Protein content

UV spectroscopy at 280 nm using the absorbency value of 0.63 as the extinction coefficient for a 0.1% solution. This value is calculated by the PC GENE computer analysis program of protein sequences.

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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