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.
A relaxed stereo diagram detailing the crystal-packing interface along the b cell edge of the wild-type C2221 orthorhombic space group and involving a twofold axis of crystallographic symmetry adjacent to position 81. (a) Wild-type FGF-1, (b) E81A/K101A mutant, (c) E81A/E82A/K101A mutant, (d) E81S/K101A mutant, (e) E81S/E82N/K101A mutant. Only the intermolecular hydrogen bonds are shown in each case.
