Over half the protein in egg white: food stored for the embryo. It is built like a serpin, a protease trap, and never springs.
| fold | — |
| completeness | — |
| loop | — |
| disulfide | — |
| phosphoserines | — |
| other het | — |
| chains in file | — |
| extents Å | — |
| frame | — |
Residue numbers are the file's, which follow α1-antitrypsin's so serpins line up; the bake renumbers internally so the ribbon breaks only where the backbone does.
Turn the molecule, click copy.