Rockville, MD/Seattle, WA ?May 11, 2010 ?OriGene and the Institute for Systems Biology (ISB), announce plans to create a proteotypic PeptideAtlas and develop an SRM/MRM mass spectrometry standard database for 5,000 human proteins (Press Release)
> 80% as determined by SDS-PAGE and Coomassie blue staining
Concentration:
> 50 ug/ml as determined by BCA
Labeling Method:
Labeled with [U- 13C6, 15N4]-L-Arginine and [U- 13C6, 15N2]-L-Lysine
Labeling Efficiency:
> 90% incorporation
Buffer and Storage:
100 mM glycine, 25 mM Tris-HCl, pH 7.3. Store at -80C. Avoid repeated freeze-thaw cycles. Stable for 3 months from receipt of products under proper storage and handling conditions.
*: DDK-tag is the same as FLAG tag. Flag® is a registered trademark of Sigma-Aldrich
Summary: This gene encodes a member of the peptidyl arginine deiminase family of enzymes, which catalyze the post-translational deimination of proteins by converting arginine residues into citrullines in the presence of calcium ions. The family members have distinct substrate specificities and tissue-specific expression patterns. The type I enzyme is involved in the late stages of epidermal differentiation, where it deiminates filaggrin and keratin K1, which maintains hydration of the stratum corneum, and hence the cutaneous barrier function. This enzyme may also play a role in hair follicle formation. This gene exists in a cluster with four other paralogous genes. [provided by RefSeq, Jul 2008].
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