Cytochrome b5 reductase 3.; B5R; DIA1

For Research Use Only. Not for use in diagnostic procedures.

E Coli

> 95% by SDS-PAGE

Liquid. In 20mM Tris-HCl Buffer (pH 8.0) containing 10% glycerol, 1mM DTT, 0.1M NaCl.

1 mg/ml (determined by Bradford) (lot specific)

Can be stored at 4 degree C short term (1-2 weeks).
For long term storage, aliquot and store at -20 degree C or -70 degree C.
Avoid repeated freezing and thawing cycles.

Small volumes of CYB5R3 recombinant protein vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

CYB5R3 is a cytochrome b5 reductasecytochrome b5 reductase, which includes a membrane-bound form in somatic cells (anchored in the endoplasmic reticulum, mitochondrial and other membranes) and a soluble form in erythrocytes. The membrane-bound form exists mainly on the cytoplasmic side of the endoplasmic reticulum and functions in desaturation and elongation of fatty acids, in cholesterol biosynthesis, and in drug metabolism. The erythrocyte form is located in a soluble fraction of circulating erythrocytes and is involved in methemoglobin reduction. The membrane-bound form has both membrane-binding and catalytic domains, while the soluble form has only the catalytic domain. Mutations in this gene cause methemoglobinemias. Recombinant human CYB5R3 protein, fused to His-tag at N-terminus, was expressed in E Coli and purified by using conventional chromatography techniques.

Metabolism

SDS-PAGE

34 kDa (300 aa) confirmed by MALDI-TOF

cytochrome b5 reductase 3

NADH-cytochrome b5 reductase 3

NADH-cytochrome b5 reductase 3

DIA1; B5R; Cytochrome b5 reductase??[Similar Products]

This gene encodes cytochrome b5 reductase, which includes a membrane-bound form in somatic cells (anchored in the endoplasmic reticulum, mitochondrial and other membranes) and a soluble form in erythrocytes. The membrane-bound form exists mainly on the cytoplasmic side of the endoplasmic reticulum and functions in desaturation and elongation of fatty acids, in cholesterol biosynthesis, and in drug metabolism. The erythrocyte form is located in a soluble fraction of circulating erythrocytes and is involved in methemoglobin reduction. The membrane-bound form has both membrane-binding and catalytic domains, while the soluble form has only the catalytic domain. Alternate splicing results in multiple transcript variants. Mutations in this gene cause methemoglobinemias. [provided by RefSeq, Jan 2010]

Desaturation and elongation of fatty acids, cholesterol biosynthesis, drug metabolism, and, in erythrocyte, methemoglobin reduction.

Percy MJ., et al. (2006) Arch Biochem Biophys. 447 (1):59-67.; Roma GW., et al. (2006) Arch Biochem Biophys. 452 (1):69-82.

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