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Key Documents

I1521

Sigma-Aldrich

DES (1-6) IGF II

lyophilized powder, recombinant, expressed in E. coli, suitable for cell culture

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About This Item

CAS Number:
MDL number:
UNSPSC Code:
12352202
NACRES:
NA.77

biological source

human

recombinant

expressed in E. coli

Assay

≥95% (HPLC)

form

lyophilized powder

potency

≤100 ng/mL ED50

mol wt

6,765 Da

packaging

pkg of 20 μg

storage condition

avoid repeated freeze/thaw cycles

technique(s)

cell culture | mammalian: suitable

impurities

endotoxin, tested

color

white

UniProt accession no.

storage temp.

2-8°C

Gene Information

human ... IGF2(3481)

General description

DES (1-6) IGF-II is a 61 amino acid analog of human insulin-like growth factor II, lacking the first six N-terminal amimo acids. DES (1-6) IGF-II exhibits reduced affinity for IGF binding proteins (IGFBPs), which are known to inhibit the actions of IGF′s.

Application

Used for studies of IGF-II function in cell culture applications. Use in combination with IGF-I, insulin and other forms of IGF-II to study receptor functions and cell signaling.

Other Notes

Recombinant analog of insulin-like growth factor II.

Preparation Note

Prepared from 0.1 M acetic acid.
Synthesized recombinantly in E. coli using a patented fusion protein expression system, DES (1-6) IGF-II is then purified by liquid chromatography. DES (1-6) IGF-II has been developed as an inexpensive, high quality potent analog of IGF-II for use as a growth factor supplement in cell culture. DES (1-6) IGF-II is supplied as a powder, lyophilized from 0.1 M acetic acid. Molecular weight is 6,765 daltons.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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