Key Product Details

Species Reactivity

Human

Applications

Western Blot, Flow Cytometry

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2A Clone # 1057323
View all STEAP1 Primary Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant human STEAP-1
Met1-Trp71
Accession # Q9UHE8

Specificity

Detects human STEAP-1 in direct ELISA.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2A

Scientific Data Images for Human STEAP1 Antibody

Detection of Human STEAP1 by Western Blot.

Western blot shows lysates of LNCaP human prostate cancer cell line. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human STEAP1 Monoclonal Antibody (Catalog # MAB5587) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for STEAP1 at approximately 36 kDa (as indicated). This experiment was conducted under reducing conditions and using Western Blot Buffer Group 1.

Detection of STEAP1 in HEK293 transfected with Human STEAP1 and eGFP cells by Flow Cytometry.

HEK293 transfected with Human STEAP1 and eGFP were stained with eGFP and either (A) Mouse Anti-Human STEAP1 Monoclonal Antibody (Catalog # MAB5587) or (B) Mouse IgG2A Isotype Control (Catalog # MAB003) followed by Allophycocyanin-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # F0101B). View our protocol for Staining Membrane-associated Proteins.

Detection of STEAP1 in LnCaP cells by Flow Cytometry

LnCaP cells were stained with Mouse Anti-Human STEAP1 Monoclonal Antibody (Catalog # MAB5587, filled histogram) or isotype control antibody (Catalog # MAB003, open histogram) followed by Allophycocyanin-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # F0101B). To facilitate intracellular staining, cells were fixed with Flow Cytometry Fixation Buffer (Catalog # FC004) and permeabilized with saponin. View our protocol for Staining Intracellular Molecules.

Applications for Human STEAP1 Antibody

Application
Recommended Usage

Flow Cytometry

0.25 µg/106 cells
Sample: see below

Western Blot

2 µg/mL
Sample: LNCaP human prostate cancer cell line

Flow Cytometry Panel Builder

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. See Certificate of Analysis for details.
*Small pack size (-SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 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.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: STEAP1

STEAP1 (six-transmembrane epithelial antigen of the prostate-1) is a 40 kDa protein (predicted) of the STEAP family of metalloreductases. It is expressed mainly at cell‑cell junctions between prostate secretory epithelium, and up‑regulated in prostate and some bladder, colon and ovarian cancers and Ewing’s sarcomas. Human STEAP1 is 339 amino acids (aa) in length. It contains a ferric oxidoreductase domain (aa 119‑265) that includes transmembrane sequences (# 2, 3, 4, and part of 5, out of 6 sequences). Two splice forms diverge at aa 255, terminating after aa 58 or 259. Over aa 1‑71, human and mouse STEAP1 share 68% aa identity.

Long Name

Six Transmembrane Epithelial Antigen of the Prostate 1

Alternate Names

PRSS24

Entrez Gene IDs

26872 (Human); 70358 (Mouse); 297738 (Rat)

Gene Symbol

STEAP1

UniProt

Q9UHE8 (Human)

Additional STEAP1 Products

Product Documents for Human STEAP1 Antibody

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human STEAP1 Antibody

For research use only

Related Research Areas

Cancer Biomarkers
Redox Enzymes

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