Cofactor Required for Sp1 Transcriptional Activation Subunit 9 (CRSP9, Activator Recruited Cofactor 34kD Component, ARC34, CRSP33, MED7, MGC12284, RNA Polymerase Transcriptional Regulation Mediator Subunit 7 Homolog, Transcriptional Coactivator CRSP33)

May be stored at 4 °C for short-term only. For long-term storage and to avoid repeated freezing and thawing, add sterile glycerol (40-50%), aliquot and store at -20 °C. Aliquots are stable for at least 12 months at -20 °C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.