Human Protein S/PROS1 Antibody Summary
Ala42-Trp670
Accession # P07225
Applications
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Scientific Data
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Detection of Human Protein S/PROS1 by Western Blot. Western blot shows human plasma. PVDF membrane was probed with 0.2 µg/mL of Goat Anti-Human Protein S/PROS1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4036) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (HAF019). Specific bands were detected for Protein S/PROS1 at approximately 80 & 100 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
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Detection of Human Protein S/PROS1 by Simple WesternTM. Simple Western lane view shows human plasma, loaded at 0.2 mg/mL. A specific band was detected for Protein S/PROS1 at approximately 106 kDa (as indicated) using 2 µg/mL of Goat Anti-Human Protein S/PROS1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4036) followed by 1:50 dilution of HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.
Reconstitution Calculator
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Protein S/PROS1
Protein S is a 69 kDa, secreted glycoprotein that belongs to a general group of vitamin K-dependent proteins. It is synthesized principally by hepatocytes, circulates both free (40%) and bound to C4bBP (60%), interacts with protein C to suppress coagulation, and binds TAM family RTKs during immune regulation. Mature human Protein S is 634 amino acids (aa) in length. It contains one Gla domain (aa 42‑87), four EGF-like repeats (aa 117-283) and two laminin G-like domains (aa 299‑666). Over aa 42-670, human Protein S shares 83%, 80%, and 79% aa sequence identity with porcine, mouse, and canine Protein S, respectively.
Product Datasheets
Citations for Human Protein S/PROS1 Antibody
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
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Citations: Showing 1 - 7
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Hereditary protein S deficiency leads to ischemic stroke.
Authors: Wang ZH, Zhao ZJ, Xu K et al.
Mol Med Rep
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Stromal changes in the aged lung induce an emergence from melanoma dormancy
Authors: ME Fane, Y Chhabra, GM Alicea, DA Maranto, SM Douglass, MR Webster, VW Rebecca, GE Marino, F Almeida, BL Ecker, DJ Zabransky, L Hüser, T Beer, HY Tang, A Kossenkov, M Herlyn, DW Speicher, W Xu, X Xu, EM Jaffee, JA Aguirre-Gh, AT Weeraratna
Nature, 2022-06-01;606(7913):396-405.
Species: Mouse
Sample Types: Tissue Homogenates
Applications: Western Blot -
Protein S and Gas6 induce efferocytosis of HIV-1-infected cells
Authors: BA Chua, JA Ngo, K Situ, CM Ramirez, H Nakano, K Morizono
Virology, 2018-01-02;515(0):176-190.
Species: Human
Sample Types: Serum
Applications: Western Blot -
GAS6-expressing and self-sustaining cancer cells in 3D spheroids activate the PDK-RSK-mTOR pathway for survival and drug resistance
Authors: Christine Baumann, Axel Ullrich, Robert Torka
Molecular Oncology
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Diversification of TAM receptor tyrosine kinase function.
Authors: Zagorska A, Traves P, Lew E, Dransfield I, Lemke G
Nat Immunol, 2014-09-07;15(10):920-8.
Species: Mouse
Sample Types: Cell Lysates
Applications: Western Blot -
Protein S controls hypoxic/ischemic blood-brain barrier disruption through the TAM receptor Tyro3 and sphingosine 1-phosphate receptor.
Authors: Zhu D, Wang Y, Singh I
Blood, 2010-03-26;115(23):4963-72.
Species: Mouse
Sample Types: CSF
Applications: Flow Cytometry -
Genetic dissection of TAM receptor-ligand interaction in retinal pigment epithelial cell phagocytosis.
Neuron, 2012-12-20;76(6):1123-32.
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