Streptavidin from Streptomyces avidinii
Merck KGaA, Darmstadt, Germanyessentially salt-free, lyophilized powder, ≥13 units/mg protein
essentially salt-free, lyophilized powder, ≥13 units/mg protein
for quantitative PCR, MgCI2 in buffer
lyophilized powder, 40-300 NIH units/mg protein (biuret)
lyophilized powder, ≥2,000 NIH units/mg protein (E1%/280, 18.3)
For processing tissues, cells cultured in monolayer or cell pellets
TPCK Treated, essentially salt-free, lyophilized powder, ?10,000 BAEE units/mg protein
Proteomics Grade, BioReagent, Dimethylated