UQCRQ is a ubiquinone-binding protein of low molecular mass. This protein is a small core- associated protein and a subunit of ubiquinol-cytochrome c reductase complex III, which is part of the mitochondrial respiratory chain. Recombinant protein corresponding to aa1-82 from human UQCRQ, fused to His-tag at N-terminal expressed in E. coli. Molecular Weight: ~12.3kD (105aa) Amino Acid Sequence: MGSSHHHHHH SSGLVPRGSH MGSMGREFGN LTRMRHVISY SLSPFEQRAY PHVFTKGIPN VLRRIRESFF RVVPQFVVFY LIYTWGTEEF ERSKRKNPAA YENDK Storage and Stability: May be stored at 4C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20C. Aliquots are stable for 6 months after receipt at -20C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.