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.
Characteristic heptad motif (abcdefg)n of the knobs-into-holes packing
| g | a | b | c | d | e | f | g | a | b | c | d | e | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E2 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | |
| Ser | Ala | Gly | Met | Leu | Ile | Ser | ||||||||
| E1 | A | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| Gly | Gly | Ala | Phe | Gly | ||||||||||
| B | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |
| Gly | Leu | Phe | Ala | Ala | Leu | |||||||||
| C | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | |
| Ile | Ser | Leu | Gly | Ala |
