The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
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Preparation and Storage
Stability and Storage
Shipped at 4°C. Store at -20ºC.
Constituents: 0.32% Tris HCl, 0.58% Sodium chloride
ReconstitutionReconstitute with water to desired concentration.
Endoplasmic oxidoreductin 1 like protein
Endoplasmic oxidoreductin-1-like protein
Endoplasmic reticulum oxidoreductin 1-like
ERO1 like protein alpha
ERO1-like (S. cerevisiae)
ERO1-like protein alpha
ERO1-like, S. cerevisiae, homolog of, alpha
Oxidoreductin 1 Lalpha
FunctionEssential oxidoreductase that oxidizes proteins in the endoplasmic reticulum to produce disulfide bonds. Acts by oxidizing directly P4HB/PDI isomerase through a direct disulfide exchange. Does not act as a direct oxidant of folding substrate, but relies on P4HB/PDI to transfer oxidizing equivalent. Associates with ERP44 but not with GRP54, demonstrating that it does not oxidize all PDI related proteins and can discriminate between PDI and related proteins. Its reoxidation probably involves electron transfer to molecular oxygen via FAD. Acts independently of glutathione. May be responsible for a significant proportion of reactive oxygen species (ROS) in the cell, thereby being a source of oxidative stress. Required for the folding of immunoglobulin proteins. Responsible for the release of the unfolded cholera toxin from reduced P4HB/PDI in case of infection by V.cholerae, thereby playing a role in retrotranslocation of the toxin.
Tissue specificityWidely expressed at low level. Expressed at high level in upper digestive tract. Highly expressed in esophagus. Weakly expressed in stomach and duodenum.
Sequence similaritiesBelongs to the EROs family.
Post-translational modificationsN-glycosylated. The Cys-94/Cys-99 and Cys-394/Cys-397 disulfide bonds constitute the redox-active center. The Cys-94/Cys-99 disulfide bond may accept electron from P4HB and funnel them to the active site disulfide Cys-394/Cys-397.
Cellular localizationEndoplasmic reticulum membrane. The association with ERP44 is essential for its retention in the endoplasmic reticulum.