C3657
Collagen from human placenta
Bornstein and Traub Type V (Sigma Type IX), powder
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About This Item
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biological source
human placenta
Quality Level
form
powder
impurities
HIV, hepatitis B and hepatitis C, none detected
solubility
aqueous acid: soluble
UniProt accession no.
application(s)
detection
storage temp.
2-8°C
Gene Information
human ... COL5A1(1289)
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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.
Caution
This product should be stored desiccated at -20°C, and will retain activity in these conditions for 3 years.
Preparation Note
This product was prepared by a modification of the pepsin extraction and salt fractionation method of Niyibizi, C., et al., J. Biol. Chem., 259, 14170 (1984). It is an acid soluble collagen that can be dissolved in water with acetic acid added to pH 3.0 (5 mg/mL), yielding an opalescent, colorless solution.
Analysis Note
An SDS polyacrylamide gel electrophoresis test run under reducing conditions consistent with basement membrane collagen yields three major bands.
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.
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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