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C7521 Sigma

Collagen from human placenta

Bornstein and Traub Type IV, powder

Synonym: Collagen Type 4

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Properties

Related Categories Application Index, Attachment Factors, Biochemicals and Reagents, Cell Culture, Clinical Chemistry,
description   Sigma Type VI
form   powder
impurities   HIV, hepatitis B and hepatitis C, none detected
solubility   0.5 M acetic acid: 1 mg/mL
suitability   suitable for substrate for collagenase
Featured Industry   Diagnostic Assay Manufacturing
storage temp.   −20°C
Gene Information   human ... COL4A2(1282), COL4A2(1284), COL4A3(1285), COL4A4(1286), COL4A5(1287), COL4A6(1288)

Description

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. Type IV collagen occurs only in the basement membranes and contains up to six genetically distinct a-chains.

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.

Packaging

10, 50 mg in poly bottle

5 mg in glass bottle

Preparation Note

This 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. It is prepared by a modification of the pepsin extraction method of Glanville, R.W., et al.

Biochem/physiol Actions

During development, collagen IV is ubiquitously distributed in BMs. During the maturation process, this network gets partially replaced in a remarkably tissue specific manner, defining BM structure and function. Collagen IV has been shown to bind to platelets, hepatocytes, keratinocytes, endothelial, mesangial, pancreatic cells and some tumor cells.

Price and Availability


All labs need water

Biomedical Applications
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
Protocols & Articles
Peer-Reviewed Papers
15

References

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