Recombinant Human Prolactin Receptor Antagonist

SKU:BHP11006467
Suppliers
ProSpec-Tany TechnoGene Ltd
ProSpec-Tany TechnoGene Ltd
Details Products
Overview
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RUO recombinant Prolactin Receptor Antagonist (Human) protein for binding and interaction studies. Supplied as a traceable protein input (E. coli; >97% (SDS-PAGE) purity; lyophilized; MW 22 kDa) for reproducible assay inputs.
Target PROLACTIN
Species Human
Options selector
Catalog no. Size
cyt-1254-2UG 2 ug
cyt-1254-10UG 10 ug
cyt-1254-1MG 1 mg
Available Options

Select the variant that best fits your experiment. Availability and lead time may vary by option.

  • Options: Size (3) — 2 ug, 10 ug, 1 mg
  • Lead time: options listed as “in stock at manufacturer” typically ship in 5–7 business days; other statuses may take longer.
  • Storage: Lyophilized PRLR although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution at > 0.1 mg/ml and up to 3 mg/ml and filter sterilization PRLR can be stored at 4C for several weeks. Please prevent freeze-thaw cycles.
  • Shipping: cold-chain shipment (typically with ice packs).
  • Upon receipt: store at the recommended temperature as soon as possible.
  • Sales terms and conditions: Please review prior to ordering.
Field Specification
Mfr No cyt-1254
Alternative Names Mammotropin, Luteotropic hormone, Luteotropin, PRL.
Biological Activity fully biologically active as evidenced by inhibiting PRLR-induced proliferation of Nb2 cells or Baf3 cells stably transfected with hPRL receptors. It also interacts at 1:1 molar ratio with human prolactin receptor extracellular domain as documented by SEC and SPR (Biacore analysis).
Cellular Localization Secreted/Extracellular
Concentration 2 mg/ml
Expression System
  • E. coli
Form Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation The protein was lyophilized from a concentrated (1-2mg/ml) solution with 0.02% -0.03% NaHCO3.
Product Type
  • Proteins & Peptides
  • Cytokines and Growth Factors
  • Receptor
Protein Length 190
Protein Size 22 kDa
Purity Greater than 97.0% as determined by:<br>(a) Analysis by Gel Filtration.<br>(b) Analysis by SDS-PAGE.
Solubility It is recommended to reconstitute the lyophilized PRLR in sterile 0.4% NaHCO3 adjusted to pH 8-9 not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Source Escherichia coli.
Species Human
Storage Lyophilized PRLR although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution at > 0.1 mg/ml and up to 3 mg/ml and filter sterilization PRLR can be stored at 4C for several weeks. Please prevent freeze-thaw cycles.
Target PROLACTIN

Recombinant Human Prolactin Receptor Antagonist is supplied as a recombinant protein for in vitro research use.

Background

Prolactin is a pituitary hormone which takes part in the stimulation of milk production, salt and water regulation, development, growth and reproduction. The primary step in its action is binding a specific membrane receptor (prolactin receptor) which belongs to the superfamily of class 1 cytokine receptors. PRLR varies in size (short and long forms) with tissue source and species, from ~40 kDa to 100 kDa. The PRL-R consists of at least 3 separate domains: an extracellular region with 5 cysteines which contains the prolactin binding site, a single transmembrane domain and a cytoplasmic region, the length of which appears to influence ligand binding and regulate cellular function.

Product format

Provided as a recombinant protein suitable for in vitro workflows such as binding studies, screening, and assay development. Refer to the specifications table for expression format and molecular properties.

What is the purity of Recombinant Human Prolactin Receptor Antagonist (Human)?
Greater than 97.0% as determined by:
(a) Analysis by Gel Filtration.
(b) Analysis by SDS-PAGE. BioHippo includes a Certificate of Analysis (CoA) confirming purity per lot with every order.
What buffer / formulation is this protein supplied in?
Supplied as: The protein was lyophilized from a concentrated (1-2mg/ml) solution with 0.02% -0.03% NaHCO3. Reconstitute lyophilized material in sterile ultrapure water or the recommended buffer per the datasheet prior to use.
How should Recombinant Human Prolactin Receptor Antagonist (Human) be stored?
Lyophilized PRLR although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution at > 0.1 mg/ml and up to 3 mg/ml and filter sterilization PRLR can be stored at 4C for several weeks. Please prevent freeze-thaw cycles. Prepare single-use aliquots after reconstitution to avoid repeated freeze–thaw cycles.
What expression system was used to produce this protein?
This recombinant protein was expressed in E. coli. The system was selected to achieve high yield, correct folding, and appropriate post-translational modifications.
Is this protein biologically active?
fully biologically active as evidenced by inhibiting PRLR-induced proliferation of Nb2 cells or Baf3 cells stably transfected with hPRL receptors. It also interacts at 1:1 molar ratio with human prolactin receptor extracellular domain as documented by SEC and SPR (Biacore analysis). Refer to the product datasheet for recommended assay conditions and controls.
Is this protein approved for clinical or in vitro diagnostic use?
No. Supplied for Research Use Only (RUO) — not intended for therapeutic applications or in vitro diagnostic procedures.
Can I request a custom size, tag variant, or formulation?
Yes. BioHippo can accommodate custom requests including alternative sizes, His/GST/Fc tag variants, bulk quantities, and custom formulations. See the Customization & Add-ons tab or email support@biohippo.com.

Can’t Find What You’re Looking For? We can help you source the best match or customize a recombinant protein solution for your study. Options may include species (human/mouse/rat), protein region/domain (full-length vs fragment), tag or label (His/GST/FLAG/biotin/fluorescent), expression system (E. coli/HEK293/insect), purity grade, formulation (buffer, carrier-free, glycerol-free), activity/functional validation (binding or enzymatic assays), endotoxin level (low-endotoxin for cell-based work), mutants/variants (point mutations, isoforms), and bulk or custom packaging. Click Talk to a Scientist to submit a request form, email us at support@biohippo.com, or explore our Research Services for additional support. Our team will be in contact with you shortly.

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