Wednesday, March 14, 2012

What is Anti-Parvalbumin?

Parvalbumin is a calcium binding albumin protein. It has three EF hand motifs and is structurally related to calmodulin and troponin C. Parvalbumin is localised in fast-contracting muscles, where its levels are highest, and in the brain and some endocrine tissues. Parvalbumin is present in GABAergic interneurons in the nervous system, predominantly expressed by chandelier and basket cells in the cortex.
Anti-Parvalbumin will react with parvalbumin from brain and muscle. By immunoblot it recognizes a protein of 12 kDa. The antibody is directed against an epitope at the first Ca+2-binding site and specifically stains the Ca+2 -bound form of parvalbumin.
Immunogen
frog muscle parvalbumin.
Specificity
Recognizes Parvalbumin in a Ca2+ ion-dependent manner. Does not react with other members of the EF-hand family such as calmodulin, intestinal calcium-binding protein, S100A2 (S100L), S100A6 (calcyclin), the α chain of S-100 (i.e. in S-100a and S-100ao), or the β chain (i.e. in S-100a and S-100b).
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