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.
Growth of wild-type strain FD and the vupB mutant using V-nitrogenase. The vupB mutant, BP250, and FD (wild type) were first starved in Mo- and V-free AA/8 and then grown in AA/8 lacking molybdate with vanadate at various concentrations: FD with 10−3 M vanadate, ▾; FD with 10−8 M vanadate, ▴; FD with no vanadate, ▪; BP250 with 10−3 M vanadate, ♦; BP250 with 10−4 M vanadate, •; BP250 with 10−5 M vanadate, □. OD720, optical density at 720 nm.
