Recombinant Human STEAP1 protein (STEAP1) Protein, Homo sapiens (Human), in vitro E.coli expression system, C-terminal Twin-Strep-tagged, 42.9kDa, purity >85% as determined by SDS-PAGE.

Recombinant Human STEAP1 protein (STEAP1) Protein

Recombinant Human STEAP1 protein (STEAP1) Protein — Does not function as a metalloreductase due to the absence of binding sites for the electron-donating substrate NADPH. Purity >85%.

SKU: BCRECP-00501TM Category:
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Product Specifications

Uniprot No.Q9UHE8
Gene NamesSTEAP1
PurityGreater than 85% as determined by SDS-PAGE.
Expression Systemin vitro E.coli expression system
Expression Region1-339aa
SpeciesHomo sapiens (Human)
Tag InfoC-terminal Twin-Strep-tagged
Molecular weight42.9kDa
ActivityNot Test
BufferIf the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose.
StorageStore at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.

Function

Does not function as a metalloreductase due to the absence of binding sites for the electron-donating substrate NADPH. Promotes Fe(3+) reduction when fused to the NADPH-binding domain of STEAP4.

Biological Context

Subcellular Location: Endosome membrane (Multi-pass membrane protein); Cell membrane (Multi-pass membrane protein)
Tissue Specificity: Ubiquitously expressed. Highly expressed in prostate tumors

Product Specifications

Recombinant Human STEAP1 protein (STEAP1) Protein is a recombinant protein from Homo sapiens (Human), expressed in in vitro E.coli expression system, covering amino acids 1-339aa, with C-terminal Twin-Strep-tagged tag, molecular weight 42.9kDa, purity Greater than 85% as determined by SDS-PAGE.. Suitable for ELISA and Western Blot applications.

SDS-PAGE: Single band at expected molecular weight confirming purity.

ELISA: Suitable as coating antigen or detection standard.

Western Blot: Compatible with standard Western Blot protocols.

Protein Interaction: Validated for SPR (Surface Plasmon Resonance) and BLI (Bio-Layer Interferometry) studies.

Shipping: Shipped at ambient temperature. Lyophilized protein is stable during transit.

Storage: Store lyophilized protein at -20°C to -80°C. Reconstituted protein should be aliquoted and stored at -80°C. Avoid repeated freeze-thaw cycles.

Shelf Life: 12 months from date of receipt when stored as recommended.

Shipping Time: Orders placed before 2 PM EST ship same day. International orders typically deliver within 5-10 business days.

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Protein Biology

Function

Does not function as a metalloreductase due to the absence of binding sites for the electron-donating substrate NADPH. Promotes Fe(3+) reduction when fused to the NADPH-binding domain of STEAP4

Subcellular Location

Endosome membrane (Multi-pass membrane protein); Cell membrane (Multi-pass membrane protein)

Tissue Specificity

Ubiquitously expressed. Highly expressed in prostate tumors

Subunit

Homotrimer

Gene: STEAP1  |  Organism: Homo sapiens  |  Synonyms: Six-transmembrane epithelial antigen of prostate 1

Frequently Asked Questions

How do I order or inquire about this product?

Fill out the Online Inquiry form with your required quantity and specifications. You can also email sales@biocrestsci.com. Our team typically responds within 4 business hours with a quote and availability confirmation.

What is the shipping and delivery time?

Orders placed before 2 PM EST ship the same day. Domestic (US) delivery typically takes 2-3 business days. International orders deliver within 5-10 business days. All products are shipped at ambient temperature with appropriate packaging to ensure stability.

How should I store this recombinant protein?

Lyophilized proteins should be stored at -20°C to -80°C upon receipt. After reconstitution, aliquot and store at -80°C. Avoid repeated freeze-thaw cycles. Shelf life is 12 months from date of receipt when stored as recommended.

What quality controls are performed on your products?

Each product undergoes SDS-PAGE purity analysis (typically >85-95%), endotoxin testing, and bioactivity validation. Products are validated for ELISA, Western Blot, and SPR/BLI applications as specified on this product page. A Certificate of Analysis (CoA) is available upon request.

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