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.
Structural overlay of IYD and BluB. Structural differences between IYD·MIT (gray) and BluB (blue) are highlighted using an overlaid stereoimage. Structural changes near the active site are depicted with the schematic representation. The full-view overlay can be seen as a stereoimage in the supplemental information.
