Insulin Human, His

Insulin Human Recombinant, His Tag
Cat. No.
BT19124
Source
Escherichia Coli.
Synonyms

Insulin, Insulin-Dependent Diabetes Mellitus 2, Preproinsulin, Proinsulin, MODY10, IDDM1, IDDM2, IDDM, ILPR, IRDN.    

Appearance
Sterile Filtered clear solution.
Purity

Greater than 95.0% as determined by SDS-PAGE.

Usage

THE BioTek'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.

Shipped with Ice Packs
In Stock

Description

Insulin Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 109 amino acids (25-110 a.a) and having a molecular mass of 11.8kDa. Insulin is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Product Specs

Introduction
Insulin is a hormone that plays a crucial role in regulating blood sugar levels. It facilitates the entry of glucose into cells, promoting its utilization for energy production and storage. Additionally, insulin stimulates the synthesis of glycogen in the liver, further contributing to glucose homeostasis.
Description
This recombinant insulin, produced in E.Coli, is a single-chain polypeptide consisting of 109 amino acids (specifically, amino acids 25-110). It has a molecular weight of 11.8kDa and lacks glycosylation. For purification purposes, a 23 amino acid His-tag is attached to the N-terminus of the insulin molecule. The purification process involves proprietary chromatographic techniques.
Physical Appearance
The product is a clear solution that has undergone sterile filtration.
Formulation
The insulin protein solution is provided at a concentration of 0.5mg/ml. The solution contains Phosphate-Buffered Saline (pH 7.4) and 10% Glycerol.
Stability
For optimal storage, refrigeration at 4°C is recommended if the entire vial will be used within 2-4 weeks. For extended storage periods, the product should be frozen at -20°C. The addition of a carrier protein (0.1% HSA or BSA) is advisable for long-term storage. Repeated freezing and thawing cycles should be avoided.
Purity
The purity of the insulin is determined by SDS-PAGE analysis and is greater than 95.0%.
Biological Activity
The biological activity of the insulin is evaluated through a cell proliferation assay using MCF7 human breast cancer cells. The ED50, which represents the concentration of insulin required to achieve half-maximal cell proliferation, is less than or equal to 4 ug/ml.
Synonyms

Insulin, Insulin-Dependent Diabetes Mellitus 2, Preproinsulin, Proinsulin, MODY10, IDDM1, IDDM2, IDDM, ILPR, IRDN.    

Source
Escherichia Coli.
Amino Acid Sequence

MGSSHHHHHH SSGLVPRGSH MGSFVNQHLC GSHLVEALYL VCGERGFFYT PKTRREAEDL QVGQVELGGG PGAGSLQPLA LEGSLQKRGI VEQCCTSICS LYQLENYCN

Product Science Overview

Background of Insulin (Human Recombinant, His Tag)

Insulin is a crucial hormone produced by the pancreas that regulates glucose levels in the blood. It facilitates the uptake of glucose into cells, thereby providing them with energy. Insulin deficiency or resistance leads to diabetes, a condition that affects millions worldwide.

Recombinant human insulin is a form of insulin that is produced using recombinant DNA technology. This method involves inserting the human insulin gene into bacteria or yeast, which then produce insulin that can be harvested and purified. This technology has revolutionized diabetes treatment by providing a consistent and reliable source of insulin.

His Tag (Histidine Tag) is a sequence of histidine residues added to proteins to facilitate their purification. The His tag binds to nickel ions, allowing the tagged protein to be separated from other cellular components using a technique called affinity chromatography.

Production of Insulin (Human Recombinant, His Tag)
  1. Gene Insertion: The human insulin gene is inserted into a plasmid, a small circular piece of DNA.
  2. Transformation: The plasmid is introduced into a host organism, typically Escherichia coli (E. coli) or yeast.
  3. Expression: The host organism expresses the insulin gene, producing insulin protein with a His tag.
  4. Purification: The His-tagged insulin is purified using affinity chromatography, where it binds to a nickel column and is separated from other proteins.
  5. Refolding: The purified insulin is refolded into its active form and further purified to ensure high quality and activity.
Applications and Benefits
  • Diabetes Treatment: Recombinant human insulin is used to treat diabetes, providing a reliable and consistent source of insulin for patients.
  • Research: His-tagged insulin is used in research to study insulin’s structure, function, and interactions with other molecules.
  • Biotechnology: The His tag facilitates the purification of insulin, making the production process more efficient and cost-effective.

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