Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Effect of oxygen on stability of the [4Fe-4S] clusters in purified D-L(His)-FeS heterodimer. The loss of the [4Fe-4S] clusters in purified D-L(His)-FeS (20 μm) incubated under N2 or in air in 50 mm HEPES, 50 mm NaCl (pH 7.5) was monitored by measuring A390 over time. AU, absorbance units.
