白介素4(IL4)重组蛋白(Rabbit,兔2) 

Recombinant Interleukin 4 (IL4)

BSF1; BCGF1 ;B Cell Stimulatory Factor 1; Lymphocyte stimulatory factor 1; B Cell Growth Factor; Binetrakin; Pitrakinra

[ PROPERTIES ]

Host: E.coli

Residues: Arg26~Ser147 with N-terminal His-Tag.

Tags: N-terminal His Tag

Subcellular Location: Secreted

Purity: >95%

Endotoxin Level: <1.0EU per 1μg (determined by the LAL method).

Formulation: Supplied as lyophilized form in PBS, pH7.4, containing 1mM DTT, 5% trehalose, 0.05% sarcosyl and preservative.

Applications: SDS-PAGE; WB; ELISA; IP.

(May be suitable for use in other assays to be determined by the end user.)

Predicted isoelectric point: 9.2

Predicted Molecular Mass: 15.5kDa

[ USAGE ]

Reconstitute in sterile PBS, pH7.2-pH7.4.

[ STORAGE AND STABILITY ]

Storage:Avoid repeated freeze/thaw cycles.

Store at 2-8°C for one month.

Aliquot and store at -80°C for 12 months.

Stability Test: The thermal stability is described by the loss rate of the target protein. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37oC for 48h, and no obvious degradation and precipitation were observed. (Referring from China Biological Products Standard, which was calculated by the Arrhenius equation.) The loss of this protein is less than 5% within the expiration date under appropriate storage condition.

[ SEQUENCE ]

The target protein is fused with N-terminal His-Tag, its sequence is listed below.

MGHHHHHHSGSEF-RGDII LPEVIKTLNI LTERKTPCTK LMIADALAVP KNTTEREAVC

RAATALRQFY LHHKVSWCFK EHGELGDLRL LRGLDRNLCS MAKLSNCPGK EARQTTLEDF

LDRLKTAMQE KYSKRQS

[ IDENTIFICATION ]

[ REFERENCES ]

1. Perkins H.D., et al. (2000) Cytokine 12:555-565.
2. Huang D., et al. (2006) Submitted to the EMBL/GenBank/DDBJ databases.
3. Hershey GK, et al. (1997) N. Engl. J. Med. 337 (24): 1720–5.

4. Chatila TA. (2004) Trends Mol Med 10 (10): 493–9.

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