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Promega Corporation


PPase-2B is a heterodimeric enzyme composed of a 19kDa calcium-binding subunit and a catalytic subunit (61kDa) that binds calmodulin. PPase-2B was originally identified based on its calcium- and calmodulin-dependent activity toward phosphorylase kinase and inhibitor-1. PPase-2B is identical to the brain protein calcineurin, which constitutes up to 1% of total brain protein. The immunosuppressive drugs FK-506 and cyclosporin A inhibit PPase-2B activity in immune cells, implicating a role for this enzyme in regulation of the immune system. PPase-2B also plays a major role in regulating secretory functions of a varie...

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We are sorry, but this product has been discontinued.

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Product Size Conc. Catalog # *List Price Add to Cart
This product is discontinued.


- V6361

Storage Buffer

50mM Tris-HCl (pH 7.0), 50% glycerol.

Storage Conditions

Store at –70°C.

Unit Definition

One unit is the amount of PPase-2B required to release 1nmol of phosphate per minute at 30°C, using p-nitrophenyl phosphate (PNPP) as the substrate.

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