UQCRC2 Human

Ubiquinol-Cytochrome C Reductase Core Protein II Human Recombinant
Cat. No.
BT21194
Source
E.coli.
Synonyms
Ubiquinol-Cytochrome C Reductase Core Protein II, Ubiquinol-Cytochrome-C Reductase Complex Core Protein 2, Cytochrome B-C1 Complex Subunit 2 Mitochondrial, Complex III Subunit 2, Core Protein II, UQCR2, QCR2.
Appearance
Sterile Filtered colorless solution.
Purity
Greater than 85% 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

UQCRC2 Human Recombinant produced in E. coli is a single polypeptide chain containing 460 amino acids (15-453) and having a molecular mass of 49.0 kDa.
UQCRC2 is fused to a 21 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Product Specs

Introduction
Cytochrome b-c1 complex subunit 2, mitochondrial, also known as UQCRC2, belongs to the peptidase M16 family. It is a vital component of the ubiquinol-cytochrome c reductase complex (complex III), which plays a crucial role in the mitochondrial respiratory chain. The assembly of complex III is highly dependent on UQCRC2.
Description
Recombinant human UQCRC2, expressed in E. coli, is a single polypeptide chain consisting of 460 amino acids (residues 15-453). With a molecular weight of 49.0 kDa, this protein features a 21 amino acid His-tag fused at its N-terminus and is purified using proprietary chromatographic methods.
Physical Appearance
A clear, colorless solution that has been sterilized by filtration.
Formulation
UQCRC2 is supplied in a solution containing 20mM Tris-HCl buffer at pH 8.0, 2M Urea, 0.1M NaCl, and 10% glycerol.
Stability
For short-term storage (2-4 weeks), keep at 4°C. For extended storage, freeze at -20°C. Adding a carrier protein like 0.1% HSA or BSA is recommended for long-term storage. Avoid repeated freeze-thaw cycles.
Purity
Purity is determined to be greater than 85% by SDS-PAGE analysis.
Synonyms
Ubiquinol-Cytochrome C Reductase Core Protein II, Ubiquinol-Cytochrome-C Reductase Complex Core Protein 2, Cytochrome B-C1 Complex Subunit 2 Mitochondrial, Complex III Subunit 2, Core Protein II, UQCR2, QCR2.
Source
E.coli.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MSLKVAPKVK ATAAPAGAPP QPQDLEFTKL PNGLVIASLE NYSPVSRIGL FIKAGSRYED FSNLGTTHLL RLTSSLTTKG ASSFKITRGI EAVGGKLSVT ATRENMAYTV ECLRGDVDIL MEFLLNVTTA PEFRRWEVAD LQPQLKIDKA VAFQNPQTHV IENLHAAAYR NALANPLYCP DYRIGKVTSE ELHYFVQNHF TSARMALIGL GVSHPVLKQV AEQFLNMRGG LGLSGAKANY RGGEIREQNG DSLVHAAFVA ESAVAGSAEA NAFSVLQHVL GAGPHVKRGS NTTSHLHQAV AKATQQPFDV SAFNASYSDS GLFGIYTISQ ATAAGDVIKA AYNQVKTIAQ GNLSNTDVQA AKNKLKAGYL MSVESSECFL EEVGSQALVA GSYMPPSTVL QQIDSVANAD IINAAKKFVS GQKSMAASGN LGHTPFVDEL

Product Science Overview

Introduction

Ubiquinol-Cytochrome C Reductase Core Protein II, also known as UQCRC2, is a crucial component of the mitochondrial respiratory chain. This protein is encoded by the UQCRC2 gene in humans and plays a significant role in cellular respiration and energy production.

Gene and Protein Structure

The UQCRC2 gene is located on the p arm of chromosome 16 at position 12.2 and consists of 14 exons . The gene encodes a protein that is approximately 48.4 kDa in size and composed of 453 amino acids . UQCRC2 belongs to the peptidase M16 family and the UQCRC2/QCR2 subfamily .

Function

UQCRC2 is a part of the ubiquinol-cytochrome c reductase complex, also known as Complex III or the cytochrome bc1 complex, which is a multisubunit transmembrane complex . This complex is integral to the mitochondrial electron transport chain, which drives oxidative phosphorylation . The primary function of UQCRC2 is to facilitate the transfer of electrons from ubiquinol to cytochrome c, a critical step in the production of ATP, the energy currency of the cell .

Role in Mitochondrial Respiratory Chain

The mitochondrial respiratory chain consists of four multisubunit complexes (I-IV) that work together to transfer electrons derived from NADH and succinate to molecular oxygen . UQCRC2 is a core protein of Complex III, which is responsible for creating an electrochemical gradient across the inner mitochondrial membrane . This gradient drives the synthesis of ATP by ATP synthase .

Clinical Significance

Mutations or defects in the UQCRC2 gene can lead to mitochondrial complex III deficiency, nuclear type 5 . This deficiency can result in a range of clinical manifestations, including muscle weakness, neurological disorders, and metabolic abnormalities . Research has also shown that the expression of UQCRC2 is upregulated in multiple human tumors, suggesting a potential role in cancer progression .

Recombinant UQCRC2

Recombinant UQCRC2 is produced using recombinant DNA technology, which involves inserting the UQCRC2 gene into a suitable expression system, such as bacteria or yeast, to produce the protein in large quantities. This recombinant protein is used in various research applications to study its structure, function, and role in disease.

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