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.
Electron microscopy studies of WT and A257T gp4. A, WT T7 gp4A or A257T 2.1 μm was incubated at 24 °C in triethanolamine buffer, pH 7.5, with 1.3 mm dTMPPCP, 2 mm magnesium acetate, 0.6 nm M13 ssDNA. B, WT or A257T was incubated at 24 °C with 2 mm dTTP, 7 mm MgCl2, 3 mm EDTA, 0.6 nm M13 ssDNA. C, WT or A257T was incubated with 2 mm dTTP and 3 mm EDTA. D, WT or A257T was incubated with 2 mm dTTP, 3 mm EDTA, and 0.6 nm M13 ssDNA.
