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 threonine position on permeability. The molecular weight and AlogP are constant among these libraries. Library 3 has one fewer N-methyl group than the other three libraries. To maintain consistency with library 1, degree of methylation refers to the total number of N-methyl groups minus one. Within each degree of methylation, all compounds are isomeric. The red dashed lines represent medians and the boxes represent quartiles.
