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Product Details
Synonyms
FcRn, FCGRT & B2M
Source
Canine FCGRT&B2M Heterodimer Protein, His Tag&Tag Free (FCM-C52W8) is expressed from human 293 cells (HEK293). It contains AA Ala 23 - Pro 298 (FCGRT) & Val 28 - Asn 125 (B2M) (Accession # XP_038512242.1 (FCGRT) & NP_001271408.1 (B2M)).
Predicted N-terminus: Ala 23 (FCGRT) & Val 28 (B2M)
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
Canine FCGRT&B2M Heterodimer Protein, His Tag&Tag Free, produced by co-expression of FCGRT and B2M, has a calculated MW of 32.3 kDa (FCGRT) and 11.6 kDa (B2M). Subunit FCGRT is fused with a polyhistidine tag at the C-terminus and subunit Beta-2 microglobulin (B2M) contains no tag at the C-terminus. The reducing (R) protein migrates as 35-37 kDa (FCGRT) and 13 kDa (B2M) respectively due to glycosylation.
Endotoxin
Less than 1.0 EU per μg by the LAL method / rFC method.
Purity
>95% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
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
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Data Display
SDS-PAGE
Canine FCGRT&B2M Heterodimer Protein, His Tag&Tag Free on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.
SEC-MALS
The purity of Canine FCGRT&B2M Heterodimer Protein, His Tag&Tag Free (Cat. No. FCM-C52W8) is more than 90% and the molecular weight of this protein is around 43-60 kDa verified by SEC-MALS.
Report
Bioactivity-SPR
Canine FCGRT&B2M Heterodimer Protein, His Tag&Tag Free (Cat. No. FCM-C52W8) captured on CM5 chip via anti-His antibody can bind Herceptin with an affinity constant of 0.171 μM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
Canine FCGRT&B2M Heterodimer Protein, His Tag&Tag Free (Cat. No. FCM-C52W8) captured on CM5 chip via anti-His antibody can bind Ipilimumab with an affinity constant of 0.132 μM as determined in a SPR assay (Biacore 8K) (QC tested).
Protocol
Canine FCGRT&B2M Heterodimer Protein, His Tag&Tag Free (Cat. No. FCM-C52W8) captured on CM5 chip via anti-His antibody can bind Monoclonal Anti-Human CD3 Antibody, Mouse IgG2a (Clone: OKT3) with an affinity constant of 1.11 μM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
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FAQ
- product
Can lyophilized proteins remain stable during room-temperature shipping or temporary room-temperature exposure?
In general, lyophilized proteins remain stable during room-temperature shipping or temporary exposure to room-temperature conditions.
Many ACROBiosystems recombinant proteins are supplied in lyophilized (freeze-dried) form. The lyophilization process effectively removes moisture from the product, helping reduce degradation-related reactions and improve protein stability during transportation and storage.
To evaluate the stability of lyophilized proteins under normal temperature conditions, ACROBiosystems conducted a stability study on 11 representative lyophilized protein products at 37°C. The study demonstrated that these proteins maintained good quality stability after storage at 37°C for approximately 20 days. Based on these validation results, temporary room-temperature exposure during shipping or handling is generally not expected to have a significant impact on product quality or downstream application performance.
To ensure optimal long-term stability, products should be stored according to the storage conditions specified in the product Certificate of Analysis (COA) upon receipt.
Supporting Document
Background Introduction
Frontier Progress
Drug Development Progress- English Name：
IgG receptor FcRn large subunit p51
- Category：
- Listed Drugs Count：
4 Details
- Clinical Drugs Count：
5 Details
- Highest R&D Stage：
Approved
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