Casein Kinase II Substrate, RREEETEEE (des-Arg), Highly Purified

Specific substrate for casein kinase II (CKII), not protein kinase A (PKA), protein kinase G (PKG) phosphorylase kinase, myosin light chain kinase (MLCK), receptor protein tyrosine kinase (RPTK). Sequence (linear): Arg-Arg-Glu-Glu-Glu-Thr-Glu-Glu-Glu-OH , Amino Acid Analysis: Confirms expected sequence, Peptide Content: 74.9 ± 4%, Solubility: H2O , Storage and Stability: , Lyophilized powder may be stored at 4°C for short-term only. Stable for 12 months at -20°C. Reconstitute to nominal volume (see reconstitution instructions for peptides) and store at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Further dilutions can be made in assay buffer.