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Target

Host

Species Reactivity

Species Reactivity

Conjugate

Conjugate

OPN, SPP1 Recombinant antibody

OPN, SPP1 Recombinant Antibody for IF, ELISA

Host / Isotype

Rabbit / IgG

Reactivity

Human

Applications

IF, ELISA

Conjugate

Unconjugated

CloneNo.

240206B7

Cat no : 83341-2-RR

Synonyms

BNSP, Bone sialoprotein 1, BSPI, ETA 1, Nephropontin, OPN, Osteopontin, secreted phosphoprotein 1, SPP 1, SPP1, Urinary stone protein, Uropontin

Validation Data Gallery

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  • Immunofluorescence (IF) / fluorescent staining of HepG2 cells using OPN, SPP1 Recombinant antibody (83341-2-RR)

    IF Staining of HepG2 using 83341-2-RR

    Immunofluorescent analysis of (4% PFA) fixed HepG2 cells using OPN, SPP1 antibody (83341-2-RR, Clone: 240206B7 ) at dilution of 1:250 and CoraLite®488-Conjugated AffiniPure Goat Anti-Rabbit IgG(H+L) (SA00013-2).

  • Affinity experiments of 83341-2-RR

    Affinity experiments of 83341-2-RR

    Biolayer interferometry (BLl) kinetic assays of 83341-2-RR against Human OPN/SPP1 were performed. The affinity constant is 1.01 nM.

Tested Applications

Positive IF detected inHepG2 cells

Recommended dilution

ApplicationDilution
Immunofluorescence (IF)IF : 1:125-1:500
It is recommended that this reagent should be titrated in each testing system to obtain optimal results.
Sample-dependent, Check data in validation data gallery.

Product Information

The immunogen of 83341-2-RR is OPN, SPP1 Fusion Protein expressed in E. coli.

Tested Reactivity Human
Host / Isotype Rabbit / IgG
Class Recombinant
Type Antibody
Immunogen Fusion Protein 相同性解析による交差性が予測される生物種
Full Name secreted phosphoprotein 1
Calculated molecular weight 314 aa, 35 kDa
GenBank accession numberBC007016
Gene symbol SPP1
Gene ID (NCBI) 6696
Conjugate Unconjugated
Form Liquid
Purification MethodProtein A purification
Storage Buffer PBS with 0.02% sodium azide and 50% glycerol pH 7.3.
Storage ConditionsStore at -20°C. Stable for one year after shipment. Aliquoting is unnecessary for -20oC storage.

Background Information

Osteopontin (OPN), also known as SPP1, is a secreted glycophosphoprotein that belongs to the small integrin-binding ligand N-linked glycoprotein (SIBLING) family. Originally isolated from bone, OPN has been found in kidneys, vascular tissues, biological fluids, and various tumor tissues (PMID: 15138464; 16406521). OPN can interact with CD44 and integrins and regulate diverse biological processes. It has a multifaceted role in bone development and remodeling, and is also involved in the inflammatory and immune response, oncogenesis and cancer progression. The very acidic nature of OPN, as well as the presence of variable posttranslational modifications, has led to anomalous migration in SDS-polyacrylamide gels and therefore to reports of different molecular weights for OPN (PMID: 8293561). Depending on the cell and tissue source and/or the SDS-PAGE system, OPN migrates with a molecular weight of 44-80 kDa, as well as at some smaller bands corresponding to peptide fragments (PMID: 8195113; 17890765).

Protocols

Product Specific Protocols
IF protocol for OPN, SPP1 antibody 83341-2-RRDownload protocol
Standard Protocols
Click here to view our Standard Protocols