Periostin Antibody

• Catalog Number: orb2644787
• Category: Antibodies
• Description: Periostin (PN, POSTN), also designated osteoblast-specific factor 2 (OSF-2), is a disulfide linked protein originally isolated as a osteoblast-specific factor. Periostin is a secreted protein that binds heparin and functions as a ligand for 1). Periostin contains a typical signal sequence, followed by a cysteine-rich domain, a fourfold repeated domain, which shows homology with the insect protein fasciclin, and a C-terminal domain.
• Species/Host: Mouse
• Clonality: Monoclonal
• Clone Number: POSTN/3503
• Tested applications: IHC-P
• Reactivity: Human
• Isotype: Mouse IgG2b, kappa
• Immunogen: Recombinant full-length human protein was used as the immunogen for the Periostin antibody.
• Antibody Type: Primary Antibody
• Dilution range: Immunohistochemistry (FFPE): 1-2ug/ml for 30 minutes at RT
• Purity: Protein G affinity chromatography
• Conjugation: Unconjugated
• Formula: 0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced), 0.05% sodium azide
• Hazard Information: This Periostin antibody is available for research use only.
• UniProt ID: Q15063
• Storage: Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
• Buffer/Preservatives: 0.2 mg/ml in 1X PBS with 0.1 mg/ml rAlbumin (US sourced), 0.05% sodium azide
• Note: For research use only
• Application notes: Optimal dilution of the Periostin antibody should be determined by the researcher.
• Expiration Date: 12 months from date of receipt.

IHC staining of FFPE human colon carcinoma with Periostin antibody (clone POSTN/3503). HIER: boil tissue sections in pH9 10mM Tris with 1mM EDTA for 20 min and allow to cool before testing.

IHC staining of FFPE human placenta with Periostin antibody (clone POSTN/3503). HIER: boil tissue sections in pH9 10mM Tris with 1mM EDTA for 20 min and allow to cool before testing.

Analysis of HuProt (TM) microarray containing more than 19000 full-length human proteins using Periostin antibody (clone POSTN/3503). These results demonstrate the foremost specificity of the POSTN/3503 mAb. Z- and S- score: The Z-score represents the strength of a signal that an antibody (in combination with a fluorescently-tagged anti-IgG secondary Ab) produces when binding to a particular protein on the HuProt (TM) array. Z-scores are described in units of standard deviations (SD's) above the mean value of all signals generated on that array. If the targets on the HuProt (TM) are arranged in descending order of the Z-score, the S-score is the difference (also in units of SD's) between the Z-scores. The S-score therefore represents the relative target specificity of an Ab to its intended target.

SDS-PAGE analysis of purified, BSA-free Periostin antibody (clone POSTN/3503) as confirmation of integrity and purity.