RPLP1 Human

Ribosomal Phosphoprotein P1 Human Recombinant
Cat. No.
BT16963
Source
Sf9 insect cells.
Synonyms
RPP1, RRP1, 60S acidic ribosomal protein P1, FLJ27448, MGC5215, acidic ribosomal phosphoprotein P1.
Appearance
Purity
Greater than 80% as determined by SDS-PAGE.
Usage
Prospec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
Shipped with Ice Packs
In Stock

Description

RPLP1 is a full-length cDNA coding for the human ribosomal P1 phosphoprotein having a molecular mass of 12,336 Dalton (pH 4.75). RPLP1 protein is fused to a hexa-histidine purification tag.

Product Specs

Introduction
Ribosomes, the organelles responsible for protein synthesis, consist of a small 40S subunit and a larger 60S subunit. These subunits comprise four RNA species and approximately 80 distinct proteins. This gene encodes a ribosomal phosphoprotein that is an integral part of the 60S subunit. Functionally similar to the E. coli L7/L12 ribosomal protein, it belongs to the L12P family of ribosomal proteins and plays a crucial role in the elongation phase of protein synthesis. Unlike most ribosomal proteins, which are basic, this protein is acidic. The C-terminal end of P1 shares a high degree of similarity with the C-terminal ends of ribosomal phosphoproteins P0 and P2. P1 can interact with P0 and P2, forming a pentameric complex of P1 and P2 dimers and a P0 monomer. P1 is localized in the cytoplasm. Two alternative spliced transcript variants encoding different isoforms have been identified. As is common for genes encoding ribosomal proteins, multiple processed pseudogenes of this gene are dispersed throughout the genome.
Description
RPLP1 is a full-length cDNA that encodes the human ribosomal P1 phosphoprotein. It has a molecular weight of 12,336 Daltons (pH 4.75) and is fused to a hexa-histidine tag for purification.
Formulation
RPLP1 is provided at a concentration of 0.34 mg/ml in a buffer consisting of 20mM HEPES (pH 8.0), 200mM NaCl, and 6M Urea.
Immunological Functions
1. Binds to human auto-antibodies of the IgG type. 2. Serves as a standard in ELISA tests (checkerboard analysis of positive and negative sera panels).
Applications
Suitable for Western blot analysis using SLE (Systemic Lupus Erythematosus) sera or monoclonal anti-hexa-His-tag antibodies.
Coating Concentration
The recommended coating concentration ranges from 0.3 to 0.7 µg/ml, depending on the ELISA plate type and the coating buffer used. RPLP1 can be biotinylated and iodinated.
Stability
Store at 4°C for 2-4 weeks if the entire vial will be used. For long-term storage, freeze at -20°C. Repeated freezing and thawing should be avoided.
Purity
Purity is greater than 80% as determined by SDS-PAGE.
Synonyms
RPP1, RRP1, 60S acidic ribosomal protein P1, FLJ27448, MGC5215, acidic ribosomal phosphoprotein P1.
Source
Sf9 insect cells.

Product Science Overview

Structure and Function

RPLP1 belongs to the L12P family of ribosomal proteins, which are known for their acidic nature. The protein is composed of 114 amino acids and has a molecular weight of approximately 37.9 kDa . The amino acid sequence of RPLP1 includes a series of conserved regions that are essential for its interaction with other ribosomal proteins and RNA .

Expression and Purification

Recombinant RPLP1 is typically produced using various expression systems, including E. coli and wheat germ . The protein is often tagged with GST or His-tags to facilitate purification and detection. The purification process usually involves affinity chromatography, followed by SDS-PAGE to confirm the purity and molecular weight of the protein .

Biological Significance

RPLP1 is essential for the proper functioning of the ribosome. It is involved in the elongation phase of protein synthesis, where it helps in the accurate and efficient addition of amino acids to the growing polypeptide chain. The protein also plays a role in the regulation of ribosome assembly, ensuring that the ribosomal subunits are correctly formed and functional .

Applications

Recombinant RPLP1 is widely used in research to study ribosome function and protein synthesis. It is also used in various biochemical assays, including ELISA, Western blotting, and immunoaffinity purification . The availability of recombinant RPLP1 allows researchers to investigate its role in ribosome assembly and function, as well as its interactions with other ribosomal proteins and RNA.

Storage and Stability

Recombinant RPLP1 should be stored at -80°C to maintain its stability and prevent degradation. It is important to avoid repeated freeze-thaw cycles, which can lead to protein denaturation and loss of activity .

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