Human IL4 / Interleukin-4 Bioactive Protein Product Attributes
Product Type: Bioactive Protein
Recombinant IL4 / Interleukin-4 based upon sequence from: Human
Host: QP10311 protein expressed in E. coli.
Protein Construction: A DNA sequence encoding the Human IL4 / Interleukin-4, was expressed in the hosts and tags indicated. Please select your host/tag option, above.
Application Notes: Please contact us for application specific information for QP10311.
Bioactivity Data: Equivalent or superior bioactivity to competitors. Data available upon request. The ED50 as determined by a cell proliferation assay using human TF-1 cells is less than 0.2 ng/ml, corresponding to a specific activity of > 5.0 Ã 106 IU/mg.
Full Length? Partial (see sequence information for more details).
Amino Acid Sequence: HKCDITLQEI IKTLNSLTEQ KTLCTELTVT DIFAASKNTT EKETFCRAAT VLRQFYSHHE KDTRCLGATA QQFHRHKQLI RFLKRLDRNL WGLAGLNSCP VKEANQSTLE NFLERLKTIM REKYSKCSS
Purity: Greater than 98% as determined by SDS-PAGE and HPLC.
Concentration of Human IL4 / Interleukin-4 Protein: Lyophilized. Concentration determined by reconstitution volume.
Endotoxin Levels: Less than 1.0 EU/ug as determined by LAL method.
Buffer: 0.2 um filtered PBS, pH 7.4, lyophilized
Storage Conditions: Store at -20C to -80C.
Limitations and Performance Guarantee
This is a life science research product (for Research Use Only). 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.