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Biotinylated Human CFH Protein, Avitag™,His Tag (MALS verified)

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Menge
CFH-H82Q3-25ug
$470.00
In Stock - Delivery in 1-2 business days
CFH-H82Q3-200ug
$1,845.00
In Stock - Delivery in 2 weeks
CFH-H82Q3
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Synonyms

AHUS1, AMBP1, ARMD4, ARMS1, CFHL3, FH, FHL1, HF, HF1, HF2, HUS

Source

Biotinylated Human CFH Protein, Avitag,His Tag (CFH-H82Q3) is expressed from human 293 cells (HEK293). It contains AA Glu 19 - Arg 1231 (Accession # P08603).

Predicted N-terminus: Gly

Molecular Characterization
Other Tags and Version Biotin & Other Labeled Version

This protein carries an Avi tag (Avitag™) at the N-terminus, followed by a polyhistidine tag.

The protein has a calculated MW of 140.6 kDa. The protein migrates as 150-180 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.

Labeling

Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.

Protein Ratio

Passed as determined by the SABA assay / HABA assay / binding ELISA.

Purity

>90% as determined by SDS-PAGE.

Formulation

Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.

Contact us for customized product form or formulation.

Reconstitution

Please see Certificate of Analysis for specific instructions.

For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

Shipping and Storage

This product is shipped at ambient temperature.

For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Please avoid repeated freeze-thaw cycles.

This product is stable after storage at:
  • -20°C to -70°C for 12 months in lyophilized state;
  • -70°C for 3 months under sterile conditions after reconstitution.
ACRO Quality Management System

Background Introduction

Complement Factor H (CFH) composed of 20 repetitive units of 60 amino acids, named short consensus repeats (SCR) or complement control protein modules (CCP), arranged in a continuous fashion. CFH is amongst the most abundant complement components in human blood, where the liver is the major source of CFH protein in vivo. The CFH molecule includes different interaction sites for C3b and polyanions which delineate distinct functional domains at the N- and C-termini. The C3b binding site in SCR1-4 is the only site essential for the factor I co-factor activity of factor H. Similarly, the C3b/polyanions-binding site located within SCR19-20 is the most important site for preventing alternative pathway activation on host cells. Mutations in the CFH gene are associated with severe and diverse diseases including the rare renal disorders hemolytic uremic syndrome (HUS) and membranoproliferative (MPGN) also termed dense deposit disease (DDD), as well as the more frequent retinal disease age related macular degeneration (AMD).