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Cherry Dsred Antibody – CPCA-mCherry

  • Clonality : Chicken Polyclonal
  • Applications : WB | IF/ICC | IHC
  • Reactivity : All

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Encor Chicken Polyclonal Antibody to mCherry red fluorescent protein 

mCherry is derived from proteins originally isolated from Cnidarians (jelly fish, sea anemones and corals), and is used as a fluorescent tracer in transfection and transgenic experiments. The prototype for these fluorescent proteins is Green Fluorescent Protein (GFP), which is a ~27 kDa protein isolated originally from the jellyfish Aequoria victoria. GFP was the basis of the 2008 Nobel Prize in Chemistry, awarded to Osamu Shimomura, Martin Chalfie and Roger Tsien, specifically “for the discovery and development of the green fluorescent protein, GFP”. GFP was shown to fluoresce on contact with molecular oxygen, requiring no other cofactors, and so can be expressed in fluorescent form in essentially any prokaryotic or eukaryotic cell.

The mCherry protein is derived from DsRed, a red fluorescent protein from so-called disc corals of the genus Discosoma. DsRed is similar in size and properties to GFP, but, obviously, produces a red rather than a green fluorochrome. The original DsRed was engineered extensively in the Tsien lab to prevent it from forming tetramers and dimers and to modify and improve the spectral properties (1-3). Several further cycles of mutation, directed modification and evolutionary selection produced mCherry, which has an excitation maximum at 587 nm and and emission maximum at 610 nm (4).

We expressed the mCherry protein sequence shown in reference 4 in bacteria, purified out the mCherry and raised a chicken polyclonal antibody. This was affinity purified and was found to stain a band of the expected size in HEK293 cells transfected with a vector designed to express mCherry which was obtained from Clontech. We also market a rabbit polyclonal antibody and a mouse monoclonal antibody to mCherry, specifically RPCA-mCherry and MCA-1C51.


HGNC name(s) : n/a


Host : Chicken


Clonality : Polyclonal


ID : EnCor Biotechnology Cherry Dsred mCherry


Reactivity : All


Isotype : IgY


Conjugation : none


Immunogen : Recombinant full length human


Mass of detected protein : ~28 kDa


Uniprot ID :


KGNC name : n/a


RRID # : AB_2572308


Purification : Concentrated IgY preparation


Storage : Shipped on ice. Store at 4°C. For long term storage, leave frozen at -20°C. Avoid freeze / thaw cycles.


Validated applications : WB | IF/ICC | IHC


Suggested Dilutions: 

WB: 1:2 000-5 000
IF/IHC: 1:1 000.


Datasheet


Link to on EnCor’s website 


References :

1. Baird GS, Zacharias DA, Tsien RY. Biochemistry, mutagenesis, and oligomerization of DsRed, a red fluorescent protein from coral. Proc Natl Acad Sci U S A. 97:11984-9 (2000).

2. Gross LA, Baird GS, Hoffman RC, Baldridge KK, Tsien RY. The structure of the chromophore within DsRed, a red fluorescent protein from coral. Proc Natl Acad Sci U S A. 97:11990-5 (2000).

3. Heikal AA, Hess ST, Baird GS, Tsien RY, Webb WW. Molecular spectroscopy and dynamics of intrinsically fluorescent proteins: coral red (dsRed) and yellow (Citrine). Proc Natl Acad Sci U S A. 97:11996-2001 (2000).

4. Shaner NC, Campbell RE, Steinbach PA, Giepmans BN, Palmer AE, Tsien RY. Improved monomeric red, orange and yellow fluorescent proteins derived from Discosoma sp. red fluorescent protein. Nature Biotechnology 22:1567-1572 (2004).


Additional information

Format

50 ul, 100 ul, 500 ul

Supplier

Host

Chicken

Clonality

Polyclonal

Validated Applications

WB, IHC, IF/ICC

Conjugation

None

Isotype

IgY

Reactivity

All Species

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