| struct Bsecondary { | |
| Bsecondary* next; | // Next secondary structure item in linked list |
| SecondaryType type; | // Class |
| int num; | // Serial number |
| char id[4]; | // Identifier: Different series for helix, sheet and turn |
| int sense; | // Strand direction |
| int nstrands; | // Number of strands in the sheet |
| Bresidue* first; | // First residue |
| Bresidue* last; | // Last residue |
| } ; |