Human IGFBP 4 Bioactive Protein Product Attributes
Product Type: Bioactive Protein
Recombinant IGFBP 4 based upon sequence from Human
Host: QP10684 protein expressed in HEK 293.
Available Tags: His
Protein Construction: A cDNA sequence encoding the sequence of IGFBP 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 IGFBP4 in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Bioactivity Data: The ED50 range is 0.01-0.09µg/ml as measured by its ability to inhibit the biological activity of IGFII (20ng/ml) on MCF7 human breast adenocarcinoma cells.
Amino Acid Sequence: DEAIHCPPCS EEKLARCRPP VGCEELVREP GCGCCATCAL GLGMPCGVYT PRCGSGLRCY PPRGVEKPLH TLMHGQGVCM ELAEIEAIQE SLQPSDKDEG DHPNNSFSPC SAHDRRCLQK HFAKIRDRST SGGKMKVNGA PREDARPVPQ GSCQSELHRA LERLAASQSR THEDLYIIPI PNCDRNGNFH PKQCHPALDG QRGKCWCVDR KTGVKLPGGL EPKGELDCHQ LADSFRE + His Tag
Purity: Greater than 95.0% as determined by SDS-PAGE.
Endotoxin Levels: < 1.0 EU per ug protein as determined by the LAL method.
Buffer: IGFBP 4 was lyophilized after extensive dialysis against PBS.
Storage Conditions: Lyophilized IGFBP4 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IGFBP-4 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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