Abcam, ab280894, Anti-Protein S antibody [EPR24509-70] - BSA and Azide free

Size: 100µg / 1mg
Rabbit Recombinant Monoclonal Protein S antibody. Carrier free. Suitable for IP, WB, IHC-P and reacts with Human samples.
Key facts
Host species:Rabbit,
Clonality:Monoclonal,
Clone number:EPR24509-70,
Isotype:IgG,
Carrier free:Yes,
Reacts with:Human,
Applications:IHC-P, IP, WBSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:The exact immunogen used to generate this antibody is proprietary information.

Product details:
ab280894 is the carrier-free version of
ab280885
Patented technology
Our RabMAb
technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to
RabMAb® patents
What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:
- High batch-to-batch consistency and reproducibility
- Improved sensitivity and specificity
- Long-term security of supply
- Animal-free batch production
For more information, read more on
recombinant antibodies
Conjugation ready
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.
Use our
conjugation kits
for antibody conjugates that are ready-to-use in as little as 20 minutes with 1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.
Compatibility
This product is compatible with the Maxpar
Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar
is a trademark of Fluidigm Canada Inc.

Properties and Storage Information:
Form-Liquid, Purification technique-Affinity purification Protein A, Storage buffer-Constituents: PBS, Shipped at conditions-Blue Ice, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions-+4°C

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
Protein S also known as PROS1 is a vitamin K-dependent plasma glycoprotein with a molecular mass of approximately 75 kDa. It is synthesized mainly in the liver but also found in other tissues such as the endothelium megakaryocytes and osteoblasts. This protein plays a significant role in the regulation of blood coagulation by serving as a non-enzymatic cofactor for activated protein C (APC) in the proteolytic degradation of coagulation factors Va and VIIIa.
Biological function summary
The integrated function of Protein S within the coagulation cascade cannot be overemphasized. It acts synergistically with APC to limit thrombin generation therefore facilitating anticoagulation. Protein S is part of a complex with APC that exerts a potent anticoagulant effect. While free Protein S shows functional activity a large fraction circulates in complex with C4b-binding protein where it exhibits limited cofactor activity.
Pathways
The anticoagulant role of Protein S anchors it within the critical pathways like the protein C pathway impacting hemostasis. It directly associates with proteins such as Factor Va and Factor VIIIa and indirectly with proteins like thrombin. The regulation of coagulation through these pathways highlights its contribution to maintaining vascular integrity and preventing thrombosis.
Protein S deficiency has clinical implications in thrombotic conditions including deep vein thrombosis (DVT) and pulmonary embolism (PE). Such deficiencies can be hereditary or acquired often linked to disorders affecting vitamin K metabolism or liver function. Protein C another key anticoagulant closely interacts with Protein S in these disorders highlighting their collaborative effort in preventing excessive clot formation.