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.
In-frame extension of tail needle gp26. (a) Amino-acid sequence of the engineered fiber gp26-2M that contains two tandemly repeated MiCRUs (highlighted in blue and pink). Trimerization heptad repeats are numbered from 1 to 22 and residues in each heptad are designated a–b–c–d–e–f–g according to standard convention (Lupas, 1996 ▶). (b) Ribbon diagram of the gp26 MiCRU (residues 84–139 of PDB entry 3c9i).
