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 coarse-grained representation of an alpha helix structure (left chart) and its topological fingerprint (right chart). The alpha helix structure (PDB ID: 1C26) has 19 residues represented by Cα atoms in green color. Each 4 Cα atoms contribute a β1 loop and thus there are 16 short-lived bars in the β1 panel.
