Table 2. Tetramer interfaces.
| Chains | No. of residues | Interface area† (Å2) | No. of salt bridges | No. of hydrogen bonds | No. of nonbonded contacts |
|---|---|---|---|---|---|
| PDB entry 3rpl | |||||
| A–B | 27:26 | 1320:1300 | — | 16 | 184 |
| C–D | 26:27 | 1365:1340 | — | 19 | 195 |
| A–D | 28:26 | 1580:1580 | 3 | 20 | 147 |
| B–C | 30:27 | 1610:1600 | 3 | 20 | 154 |
| A–C | 1:1 | 36:36 | — | — | 1 |
| B–D | 1:1 | 34:36 | — | — | 1 |
| FtFBPase | |||||
| A–B | 30:30 | 1480:1500 | 3 | 21 | 187 |
| C–D | 31:29 | 1460:1460 | 3 | 16 | 189 |
| A–D | 24:33 | 1480:1410 | 5 | 23 | 157 |
| B–C | 25:33 | 1330:1380 | 5 | 19 | 149 |
| A–C ‡ | 2:2 | 110:110 | — | 1 | 4 |
| B–D ‡ | 1:1 | 80:80 | — | — | 2 |
†
Interface area figures have been rounded to their last significant values.
‡
Interfaces A–C and B–D are not considered equivalent according to the PDBsum protein–protein interaction analysis software.