Recombinant Human FOLR1 Protein, C-His (HB825011)

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Datasheet

Overview

Catalog No.	HB825011
Description	Recombinant Human FOLR1 Protein, C-His (HB825011) expressed in Mammalian Cells, spanning Met1-Met233. Highlights ●His-Tagged — N-terminal 6×His tag for IMAC purification. ●Mammalian Expression — Proper folding and native glycosylation. ●High Purity — >90% purity verified by SDS-PAGE.
Expression system	Mammalian Cells
Accession	P15328
Protein length	Met1-Met233
Applications	ELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress
Species	Homo sapiens (Human)
Nature	Recombinant
Endotoxin level	Please contact with the lab for this information.
Purity	>95% as determined by SDS-PAGE.
Predicted molecular weight	28.18 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	Folate receptor alpha, FOLR, FOLR1, Adult folate-binding protein, Folate receptor 1, FR-alpha, KB cells FBP, FBP, Ovarian tumor-associated antigen MOv18, Folate receptor, adult
Background	Folate receptor alpha (FOLR1) is a ~29 kDa protein. Binds to folate and reduced folic acid derivatives and mediates delivery of 5-methyltetrahydrofolate and folate analogs into the interior of cells. Has high affinity for folate and folic acid analogs at neutral pH. Exposure to slightly acidic pH after receptor endocytosis triggers a conformation change that strongly reduces its affinity for folates and mediates their release. Required for normal embryonic development and normal cell proliferation. FOLR1 is the therapeutic target of mirvetuximab soravtansine (Elahere). 1. Zhao, R. et al. (2009) The Journal of biological chemistry 284, 4267-74. PMID: 19074442 2. Chen, C. et al. (2013) Nature 500, 486-9. PMID: 23851396 3. Wibowo, AS. et al. (2013) Proceedings of the National Academy of Sciences of the United States of America 110, 15180-8. PMID: 23934049 4. Lacey, SW. et al. (1989) The Journal of clinical investigation 84, 715-20. PMID: 2527252 5. Orr, RB. et al. (1994) Cancer research 54, 3905-11. PMID: 8033114 6. Rijnboutt, S. et al. (1996) The Journal of cell biology 132, 35-47. PMID: 8567728
Note	For research use only.

Images

SDS-PAGE

SDS-PAGE for Recombinant Human FOLR1 Protein, C-His
Bioactivity

Detected by Anti-Human FOLR1/FBP Antibody (MOv19) (Catalog No: HB825307) in indirect ELISA
Bioactivity

Detected by SAA2048 (Catalog No: HB825013) in indirect ELISA.
Bioactivity

Detected by Luveltamab (Catalog No: HB825036) in indirect ELISA.
Bioactivity

Detected by Opugotamig (Catalog No: HB825046) in indirect ELISA.
Bioactivity

Detected by Rinatabart (Catalog No: HB825056) in indirect ELISA.