Table 4. Bending stiffness, Kbend, and torsional rigidity, Ktwist, of intra- and inter-tubulin interfaces, inferred from NMA.
Mode | 1st (twist) | 2nd (bend) | ||
---|---|---|---|---|
PDB id | Nucleotide | Interface | torsional rigidity, ×10−28 Nm2 |
bending stiffness, ×10−28 Nm2 |
3J6F | GDP | intra | 2.99 | 4.57 |
3J6E | GTP | intra | 1.78 | 3.97 |
3J6F | GDP | inter | 3.82 | 6.56 |
3J6E | GTP | inter | 0.99 | 1.62 |