Recombinant Human IL1RAPL1 His-tag Protein, CF

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Recombinant Human IL1RAPL1 His-tag Protein Binding Activity.
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Product Details

Recombinant Human IL1RAPL1 His-tag Protein, CF Summary

Product Specifications

>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Measured by its binding ability in a functional ELISA. When Recombinant Human IL1RAPL1 His-tag (Catalog # 11080-MR) is immobilized at 0.5 µg/mL (100 µL/well), Recombinant Human PTPRD Fc Chimera (Catalog # 9995-PR) binds with an ED50 of 6.00-60.0 ng/mL.
Human embryonic kidney cell, HEK293-derived human IL1RAPL1 protein
Leu19-Thr357, with a C-terminal 6-His tag
Accession #
N-terminal Sequence
Predicted Molecular Mass
40 kDa
42-59 kDa, under reducing conditions.

Product Datasheets

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Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.


Formulation Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution Reconstitute at 500 μg/mL in PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it 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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Scientific Data

Binding Activity View Larger

When Recombinant Human IL1RAPL1 His-tag Protein (Catalog # 11080-MR) is immobilized at 0.5 µg/mL (100 µL/well), Recombinant Human PTPRD Fc Chimera (9995-PR) binds with an ED50 of 6.00-60.0 ng/mL.

SDS-PAGE View Larger

2 μg/lane of Recombinant Human IL1RAPL1 His-tag Protein (Catalog # 11080-MR) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 42-59 kDa.

Reconstitution Calculator

Reconstitution Calculator

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.


Background: IL1RAPL1

Interleukin 1 receptor accessory protein-like 1 (IL1RAPL1), also known as Oligophenin-4 (OPHN4) and three immunoglobulin domain containing IL-1 receptor-related 2 (TIGIRR-2) (1), is a member of the IL-1 receptor superfamily. IL1RAPL1 is a single pass type I membrane protein which contains an N-terminal signal peptide (aa 1-18 ), three extracellular immunoglobulin-like domains (aa 19-350), a transmembrane domain (aa 358-378 ), an intracellular Toll/IL-1R domain (aa 403-562), and a long C-terminal tail which interacts with multiple signaling molecules (aa 549-644 ) (2). High expression levels of IL1RAPL1 was found in post-natal hippocampus, and its expression is upregulated by neuronal activity (3). The extracellular domain of IL1RAPL1 can mediate synapse formation through trans-synaptic interaction with PTPRD (4, 5). In neurons, IL1RAPL1 interacts with PSD-95, a major scaffolding protein of excitatory synapses, and modulates its synaptic localization by regulating JNK activity and PSD-95 phosphorylation (3).  Mutation or deletion of IL1RAPL1 gene is associated with non-syndromic intellectual disability and autism spectrum disorder (5). Human IL1RAPL1 shares 98% and 99% aa sequence identity with mouse and rat IL1RAPL1, respectively.

  1. Born, T.L. et al. (2000) J. Biol. Chem. 275:29946.
  2. Bahi, N. et al. (2003) Hum. Mol. Gen. 12:1415.
  3. Pavlowsky, A. et al. (2010) Curr. Biol. 20:103.
  4. Yoshida, T. et al. (2011) J. Neurosci. 31:13485.
  5. Ramos-Brossier, M. et al. (2015) Hum Mol Genet. 24:1106.
Long Name
Interleukin 1 Receptor Accessory Protein-like 1
Entrez Gene IDs
11141 (Human); 331461 (Mouse); 317553 (Rat)
Alternate Names
IL1R8IL1RAPL; IL-1R9; IL1RAPL1; IL-1RAPL1; IL-1-RAPL-1; IL-1RAPL-1; IL1RAPL-1; interleukin 1 receptor accessory protein-like 1; interleukin 1 receptor-8; interleukin-1 receptor accessory protein-like 1; mental retardation, X-linked 10; MRX10; MRX21; MRX34; oligophrenin-4; OPHN4mental retardation, X-linked 21; Three immunoglobulin domain-containing IL-1 receptor-related 2; TIGIRR-2; TIGIRR-2mental retardation, X-linked 34; X-linked interleukin-1 receptor accessory protein-like 1


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