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Recombinant Rat IL 4 Protein

$ 89.00$ 2,900.00
Please Select Product Options Below To View The Catalog Number.

SKU: QP10716
Species: Rat
Applications: Bioactive
Available Tags: Untagged
Available Hosts: E. Coli
Purity: Greater than 95.0% as determined by:(a) Analysis by RP-HPLC. (b) Analysis by SDS-PAGE.
Length (Amino Acids):

Product NumberDescriptionPrice
QP10716-5ug Size: 5 ug, Tag: Untagged (Native Protein) $ 89.00
QP10716-20ug Size: 20 ug, Tag: Untagged (Native Protein) $ 130.00
QP10716-1mg Size: 1 mg, Tag: Untagged (Native Protein) $ 2,900.00
Shipping Information
1-3 days
Flat Rate Shipping Anywhere in the US: $45
Datasheets and Documentation
Product Datasheet
SKU: QP10716-5ug
Recombinant Rat IL 4 General Information
IL 4  protein 3D structural model from Catalog of Somatic Mutations in Cancer originally published in the paper COSMIC: somatic cancer genetics at high-resolution
Alternate Names
BCGF, BCDF, B cell stimulating factor, BSF-1, Lymphocyte stimulatory factor 1, IL-4, MGC79402, Binetrakin, Pitrakinra.
Molecular Weight
14 kDa
Chromosomal Location
q22 on chromosome 10
Curated Database and Bioinformatic Data
Gene SymbolIl4
Entrez Gene ID287287
UniProt ID(s)P20096
COSMIC ID Link(s)Il4
KEGG Gene ID(s)rno:287287
General Description of Recombinant Rat IL 4.
Rat Interleukin-4 produced in E. Coli is a single, non-glycosylated polypeptide chain containing 125 amino acids and having a molecular mass of 14kDa. The IL-4 is purified by using an optimized multi-step FPLC method for maximum separation from contaminants.

Rat IL 4 Bioactive Protein Product Attributes

Product Type: Bioactive Protein
Recombinant IL 4 based upon sequence from Rat
Host: QP10716 protein expressed in E. Coli.
Available Tags: Untagged
Protein Construction: A cDNA sequence encoding the sequence of IL 4 was constructred and used to recombinantly synthesize the protein.
Recommended Applications: Bioactive
Application Notes
Recommended Reconstitution Instructions: It is recommended to reconstitute the lyophilized Interleukin 4 in sterile 18MΩ.cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Bioactivity Data: The ED50 as determined in a cell proliferation assay using rat splenocytes is less than 2ng/ml corresponding to a specific activity of 500,000IU/mg.
Amino Acid Sequence: HGCNDSPLR EIINTLNQVT EKGTPCTEMF VPDVLTATRN TTENELICRA SRVLRKFYFP RDVPPCLKNK SGVLGELRKL CRGVSGLNSL RSCTVNESTL TTLKDFLESL KSILRGKYLQ SCTSMS
Purity: Greater than 95.0% as determined by:(a) Analysis by RP-HPLC. (b) Analysis by SDS-PAGE.
Concentration of Rat IL 4 Protein: Protein quantitation was carried out by two independent methods: 1. UV spectroscopy at 280 nm using the absorbency value of 0.2 as the extinction coefficient for a 0.1% (1 mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics). 2. Analysis by RP-HPLC, using a standard solution of IL-4 as a Reference Standard.
Endotoxin Levels:
Buffer: Lyophilized from a 0.2µm filtered concentrated solution in PBS pH 7.4 and 5% trehalose.
Storage Conditions: Lyophilized Interleukin-4 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IL4 should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
Physical Appearance: Sterile Filtered White lyophilized (freeze-dried) powder.

Limitations and Performance Guarantee

enQuire Bio's products are guaranteed and approved for RESEARCH USE ONLY or manufacturing purposes. This product may not be used as a pharmaceutical agent, or other product intended for human consumption without meeting additional regulatory requirements. This product is guaranteed to work for a period of two years when stored at -70C or colder, and one year when aliquoted and stored at -20C.

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Recombinant Rat IL 4 Protein