Collagen from human placenta, Bornstein and Traub Type III (Sigma Type X), powder

Analysis Note

An SDS polyacrylamide gel electrophoresis test run under reducing conditions consistent with basement membrane collagen yields three major bands.

Application

Collagen from human placenta has been used to assess the bioelectric effects of quinine on airway epithelial cells, to study the selective toxicity of engineered lentvirus lytic peptides and in a particle aggregation assay for the rapid detection of fibronectin, fibrinogen and collagen receptors on Staphylococcus aureus. It has also been used in a magnesium-dependent, collagen-binding assay during characterization of human lung tumor-associated antigens.

Caution

This product should be stored at 2-8 °C and will retain activity in these conditions for 2 years.

Components

All collagen molecules are composed of three polypeptide chains arranged in a triple helical conformation, with a primary structure that is mostly a repeating motif with glycine in every third position and proline or 4-hydroxyproline frequently preceding the glycine residue.

Other Notes

Collagen is classified into a number of structurally and genetically distinct types. We use the nomenclature proposed by Bornstein and Traub. Be wary of confusing Sigma-type designations with recognized collagen classification types.

Packaging

1, 5, 25 mg in glass bottle

Preparation Note

This product was prepared by a modification of the pepsin extraction and salt fractionation method of Hill, R.J. and Harper, E., Anal. Biochem., 141 (1984). It is a lyophilized powder that can be reconstituted in sterile .5 M acetic acid, PBS or water at 1 mg/mL. A PBS solution will be stable for at least one year at -20°C.

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Code Description Quality Level Manufacturer Storage Temp. Impurities Solubility Form Assay Price Quantity
3589893 Collagen from human placenta, Bornstein and Traub Type III (Sigma Type X), powder 200 SIGMA-ALDRICH 2-8°C HIV, hepatitis B and hepatitis C, none detected
£195.00 (exc VAT) per 1MG
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3589894 Collagen from human placenta, Bornstein and Traub Type III (Sigma Type X), powder 200 SIGMA-ALDRICH 2-8°C HIV, hepatitis B and hepatitis C, none detected
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3589895 Collagen from human placenta, Bornstein and Traub Type III (Sigma Type X), powder 200 SIGMA-ALDRICH 2-8°C HIV, hepatitis B and hepatitis C, none detected
£670.00 (exc VAT) per 5MG
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