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AB316282

Anti-Protein S antibody [EPR28196-36] - BSA and Azide free

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Rabbit Recombinant Monoclonal Protein S antibody. Carrier free. Suitable for IHC-P, WB and reacts with Mouse samples.

View Alternative Names

Pros, Stil, Sil, Vitamin K-dependent protein S

7 Images
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Protein S antibody [EPR28196-36] - BSA and Azide free (AB316282)
  • IHC-P

Supplier Data

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Protein S antibody [EPR28196-36] - BSA and Azide free (AB316282)

This data was developed using ab316281, the same antibody clone in a different buffer formulation.

Immunohistochemical analysis of paraffin-embedded Mouse cerebrum tissue labeling Protein S with ab316281 at 1/500 (1.028 ug/ml) dilution, followed by a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).

Low expression tissue : No staining in mouse cerebrum.
The section was incubated with ab316281 for 30 mins at room temperature.
The immunostaining was performed on a Leica Biosystems BOND® RX instrument.

Counterstained with Hematoxylin.

Secondary antibody only control : Secondary antibody is a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).

Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins.

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Protein S antibody [EPR28196-36] - BSA and Azide free (AB316282)
  • IHC-P

Supplier Data

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Protein S antibody [EPR28196-36] - BSA and Azide free (AB316282)

This data was developed using ab316281, the same antibody clone in a different buffer formulation.

Immunohistochemical analysis of paraffin-embedded Mouse pancreas tissue labeling Protein S with ab316281 at 1/500 (1.028 ug/ml) dilution, followed by a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).

Negative control : No staining in mouse pancreas.
The section was incubated with ab316281 for 30 mins at room temperature.
The immunostaining was performed on a Leica Biosystems BOND® RX instrument.

Counterstained with Hematoxylin.

Secondary antibody only control : Secondary antibody is a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).

Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins.

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Protein S antibody [EPR28196-36] - BSA and Azide free (AB316282)
  • IHC-P

Supplier Data

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Protein S antibody [EPR28196-36] - BSA and Azide free (AB316282)

This data was developed using ab316281, the same antibody clone in a different buffer formulation.

Immunohistochemical analysis of paraffin-embedded Mouse placenta tissue labeling Protein S with ab316281 at 1/500 (1.028 ug/ml) dilution, followed by a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).

Positive staining in plasma of mouse placenta.
The section was incubated with ab316281 for 30 mins at room temperature.
The immunostaining was performed on a Leica Biosystems BOND® RX instrument.

Counterstained with Hematoxylin.

Secondary antibody only control : Secondary antibody is a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).

Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins.

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Protein S antibody [EPR28196-36] - BSA and Azide free (AB316282)
  • IHC-P

Supplier Data

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-Protein S antibody [EPR28196-36] - BSA and Azide free (AB316282)

This data was developed using ab316281, the same antibody clone in a different buffer formulation.

Immunohistochemical analysis of paraffin-embedded Mouse spleen tissue labeling Protein S with ab316281 at 1/500 (1.028 ug/ml) dilution, followed by a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).

Positive staining on megakaryocytes and platelets in mouse spleen (PMID : 32276277).
The section was incubated with ab316281 for 30 mins at room temperature.
The immunostaining was performed on a Leica Biosystems BOND® RX instrument.

Counterstained with Hematoxylin.

Secondary antibody only control : Secondary antibody is a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection).

Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins.

Western blot - Anti-Protein S antibody [EPR28196-36] - BSA and Azide free (AB316282)
  • WB

Supplier Data

Western blot - Anti-Protein S antibody [EPR28196-36] - BSA and Azide free (AB316282)

This data was developed using ab316281, the same antibody clone in a different buffer formulation.

Lysates were freshly made and used for Western blotting immediately to minimize protein degradation.

All lanes:

Western blot - Anti-Protein S antibody [EPR28196-36] (<a href='/en-us/products/primary-antibodies/protein-s-antibody-epr28196-36-ab316281'>ab316281</a>) at 1/1000 dilution

Lane 1:

Mouse testis tissue lysate at 20 µg with 5% NFDM/TBST

Lane 2:

Mouse spleen tissue lysate at 20 µg with 5% NFDM/TBST

Secondary

All lanes:

Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/20000 dilution

Observed band size: 80 kDa

false

Exposure time: 125s

Western blot - Anti-Protein S antibody [EPR28196-36] - BSA and Azide free (AB316282)
  • WB

Supplier Data

Western blot - Anti-Protein S antibody [EPR28196-36] - BSA and Azide free (AB316282)

This data was developed using ab316281, the same antibody clone in a different buffer formulation.

Low expression : EL4.

The identity of the higher MW band at approximately 300 kDa (in lane 1 and 2) is unknown.

In Western blot, Anti-GAPDH antibody [EPR16891] - Loading Control (ab181602) staining at 1/200000 dilution.

All lanes:

Western blot - Anti-Protein S antibody [EPR28196-36] (<a href='/en-us/products/primary-antibodies/protein-s-antibody-epr28196-36-ab316281'>ab316281</a>) at 1/1000 dilution

Lane 1:

3T3-L1 (mouse embryonic fibroblast) whole cell lysate at 50 µg with 5% NFDM/TBST

Lane 2:

EL4 (mouse lymphoma T lymphocyte) whole cell lysate at 50 µg with 5% NFDM/TBST

Secondary

All lanes:

Goat Anti-Rabbit IgG (HRP) with minimal cross-reactivity with human IgG at 1/2000 dilution

Observed band size: 80 kDa,36 kDa

false

Exposure time: 136s

Western blot - Anti-Protein S antibody [EPR28196-36] - BSA and Azide free (AB316282)
  • WB

Supplier Data

Western blot - Anti-Protein S antibody [EPR28196-36] - BSA and Azide free (AB316282)

This data was developed using ab316281, the same antibody clone in a different buffer formulation.

Low expression : cerebellum (PMID : 7822769)

In Western blot, Anti-GAPDH antibody [EPR16891] - Loading Control (ab181602) staining at 1/200000 dilution.

Exposure time : Lane 1 : 48s, Lane 2-3 : 136s, Lane 4 : 125 seconds

All lanes:

Western blot - Anti-Protein S antibody [EPR28196-36] (<a href='/en-us/products/primary-antibodies/protein-s-antibody-epr28196-36-ab316281'>ab316281</a>) at 1/1000 dilution

Lane 1:

Mouse serum lysate at 50 µg with 5% NFDM/TBST

Lane 2:

Mouse spleen tissue lysate at 50 µg with 5% NFDM/TBST

Lane 3:

Mouse cerebellum tissue lysate at 50 µg with 5% NFDM/TBST

Lane 4:

Mouse plasma lysate at 20 µg with 5% NFDM/TBST

Secondary

All lanes:

Goat Anti-Rabbit IgG (HRP) with minimal cross-reactivity with human IgG at 1/2000 dilution

Observed band size: 80 kDa,36 kDa

false

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

EPR28196-36

Isotype

IgG

Carrier free

Yes

Reacts with

Mouse

Applications

WB, IHC-P

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

Reactivity data

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Product details

ab316282 is the carrirer-free version of ab316281.

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
pH: 7.2 - 7.4 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.

Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:

Target data

Anticoagulant plasma protein; it is a cofactor to activated protein C in the degradation of coagulation factors Va and VIIIa. It helps to prevent coagulation and stimulating fibrinolysis.
See full target information Pros1

Product promise

We are committed to supporting your work with high-quality reagents, and we're here for you every step of the way. In the unlikely event that one of our products does not perform as expected, you're protected by our Product Promise.
For full details, please see our Terms & Conditions

Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.

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