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.
Geometries of backbone-backbone H-bonds. Lambert azimuthal projection of BAH, BAχ feature density for α-helices, residue pairs with sequence separation greater than 5 (LongRange), anti-parallel and parallel β-sheets by sample source (columns). The Native-LongRange interactions show a distinctive “beetle” shape that we sought to recapitulate with HBv2.
