EIF1B Human

Eukaryotic Translation Initiation Factor 1B Human Recombinant
Cat. No.
BT4255
Source
Escherichia Coli.
Synonyms
Eukaryotic translation initiation factor 1b, eIF1b, Protein translation factor SUI1 homolog GC20, EIF1B, GC20.
Appearance
Sterile Filtered colorless solution.
Purity
Greater than 95.0% as determined by SDS-PAGE.
Usage
THE BioTek'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

EIF1B Human Recombinant fused with a 20 amino acid His tag at N-terminus produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 133 amino acids (1-113 a.a.) and having a molecular mass of 15kDa. The EIF1B is purified by proprietary chromatographic techniques.

Product Specs

Introduction
EIF1B plays a crucial role in the initiation of translation by facilitating the scanning process for the start codon. It is a key component of a complex that identifies the initiator codon during this process. Moreover, EIF1B regulates the activity of 43S, 48S, and 40S ribosomal subunits, which are essential for translation initiation. EIF1B enables the 43S ribosomal complexes to differentiate between correct and nearly correct initiation codons by recognizing the nucleotide sequence of these codons.
Description
Recombinant human EIF1B protein, expressed in E. coli, is fused with a 20 amino acid His tag at its N-terminus. This single, non-glycosylated polypeptide chain consists of 133 amino acids (residues 1-113) and has a molecular weight of 15 kDa. Purification of EIF1B is achieved using proprietary chromatographic techniques.
Physical Appearance
Clear, sterile-filtered solution.
Formulation
The EIF1B solution is provided at a concentration of 1 mg/ml in a buffer containing 20mM Tris-HCl (pH 8.0), 10% glycerol, 2mM DTT, and 0.1M NaCl.
Stability
For short-term storage (2-4 weeks), the EIF1B vial can be kept at 4°C. For extended storage, freezing at -20°C is recommended. Adding a carrier protein (0.1% HSA or BSA) is advisable for long-term storage. Repeated freeze-thaw cycles should be avoided.
Purity
The purity of EIF1B is greater than 95.0%, as determined by SDS-PAGE analysis.
Synonyms
Eukaryotic translation initiation factor 1b, eIF1b, Protein translation factor SUI1 homolog GC20, EIF1B, GC20.
Source
Escherichia Coli.
Amino Acid Sequence

MGSSHHHHHH SSGLVPRGSH MSTIQNLQSF DPFADATKGD DLLPAGTEDY IHIRIQQRNG RKTLTTVQGI ADDYDKKKLV KAFKKKFACN GTVIEHPEYG EVIQLQGDQR KNICQFLLEV GIVKEEQLKV HGF.

Product Science Overview

Introduction

Eukaryotic Translation Initiation Factor 1B (EIF1B) is a protein-coding gene that plays a crucial role in the initiation of translation in eukaryotic cells. This factor is essential for the proper assembly of the translation initiation complex, which is necessary for the accurate and efficient synthesis of proteins.

Gene and Protein Information

The EIF1B gene is located on chromosome 3 and encodes a protein that is involved in the binding of RNA and the initiation of translation . The protein is a part of the eukaryotic 43S preinitiation complex, which is responsible for the recognition of the start codon on mRNA and the assembly of the ribosome .

Function and Mechanism

EIF1B is predicted to be involved in the early stages of translation initiation. It enables RNA binding activity and is a crucial component of the translation initiation machinery . The protein interacts with other initiation factors to form a stable complex that facilitates the recruitment of the ribosome to the mRNA .

Diseases and Disorders

Mutations or dysregulation of the EIF1B gene have been associated with various diseases, including kidney fibrosarcoma and bladder lateral wall cancer . The gene’s involvement in these diseases highlights its importance in cellular processes and the potential consequences of its malfunction.

Research and Applications

Human recombinant EIF1B is used in various research applications to study the mechanisms of translation initiation and the role of initiation factors in protein synthesis. Recombinant proteins are produced using recombinant DNA technology, which involves inserting the gene encoding EIF1B into an expression vector and introducing it into a host cell to produce the protein.

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