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.
Relative free energy of binding (kJ mol−1) for multiple fragments (F1:4 and F2:4) binding to the protein phenylethanolamine N-methyltransferase (PNMT). The errors shown in parentheses were calculated by the formula [(s1)2 + (s2)2]1/2, where s1 and s2 are the standard errors for the mutations in water and PNMT.
