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.
The different symbols denote different Ngb mutations as follows: solid square, Ngb wild-type; solid circles, Phe28 mutants; up triangles, His64 mutants; down triangles, Val68 mutants; empty circle, wild-type sperm whale Myoglobin; solid circle, human Hemoglobin. The dashed lines indicate the breaks in the X and Y axes.
