純度：> 99% pure HIV1 tat protein was purified by Ion affinity and reverse phase HPLC.
形状：Supplied as a frozen liquid. Dilute tat stock solution in 150mM NaCl, 50mM Sodium Citrate, pH 6.5 immediately before use. Tat readily oxidizes in buffer solutions, which may change its LTR dependent transcriptional activation activity.
