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Recombinant HPV18 E7 Protein, N-His (VK556062)

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Recombinant HPV18 E7 Protein, N-His

Recombinant HPV18 E7 Protein, N-His

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Datasheet

Overview

Catalog No.	VK556062
Description	Recombinant HPV18 E7 Protein, N-His (VK556062) expressed in E. coli, spanning Met1-Gln105. Purity: >90% by SDS-PAGE. Highlights ●His-Tagged — N-terminal 6×His tag for IMAC purification. ●E. coli Expression — High-yield, cost-effective production. ●High Purity — >90% purity verified by SDS-PAGE.
Expression system	E. coli
Accession	P06788
Protein length	Met1-Gln105
Applications	ELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress
Species	Human papillomavirus type 18 (Human)
Nature	Recombinant
Endotoxin level	Please contact with the lab for this information.
Purity	>90% as determined by SDS-PAGE.
Predicted molecular weight	12.82 kDa
Form	Lyophilized
Storage buffer	Lyophilized from a solution in PBS pH 7.4, 1 mM EDTA, 4% Trehalose, 1% Mannitol. Please refer to the specific buffer information in the hardcopy of datasheet or the lot-specific COA.
Reconstitution	Reconstitute in sterile water for a stock solution. Adjust the volume of sterile water so that, after reconstitution, the final stock concentration matches the value indicated on the product label or datasheet. RECONSTITUTION PROTOCOL 1. Allow the product to be reconstituted and the reconstitution diluent to reach room temperature. 2. Tap or briefly centrifuge the product vial before opening to dislodge any lyophilized material that may be dispersed on the wall or cap of the vial. 3. Use the diluent and stock concentration recommended in the product datasheet. If preparing a stock concentration higher than recommended, contact Technical Service. 4. After adding the diluent, re-cap the vial and invert gently by hand or place on a slow rocking platform to allow the reconstitution diluent to coat all the surfaces inside the vial. Note: Do not mix by vortexing or by pipetting the material up and down. 5. Allow the vial to sit at room temperature with gentle agitation for at least 15 minutes before aliquotting or using. 6. Store the reconstituted material in single use aliquots in polypropylene or siliconized tubes. Aliquots of 10 μL or larger are recommended.
Shipping	In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise.
Stability and Storage	Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for frequent use. Store at -20 to -80°C for twelve months from the date of receipt.
Alternate Names	E7, Protein E7
Background	Protein E7 is a ~11 kDa protein. Plays a role in viral genome replication by driving entry of quiescent cells into the cell cycle. Stimulation of progression from G1 to S phase allows the virus to efficiently use the cellular DNA replicating machinery to achieve viral genome replication. E7 protein has both transforming and trans-activating activities. Induces the disassembly of the E2F1 transcription factor from RB1, with subsequent transcriptional activation of E2F1-regulated S-phase genes. Interferes with host histone deacetylation mediated by HDAC1 and HDAC2, leading to transcription activation. 1. Lau, L. et al. (2015) Science (New York, N.Y.) 350, 568-71. PMID: 26405230
Note	For research use only

Images

SDS-PAGE

SDS-PAGE for Recombinant HPV18 E7 Protein, N-His

References

Datasheet

Recombinant HPV18 E7 Protein, N-His.pdf

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Recombinant HPV18 E7 Protein, N-His