Combined high- and low-resolution techniques reveal compact structure in central portion of factor H despite long inter-modular linkers
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 2D 1H-15N HSQC | 20mM potassium phosphate-1 | 93% H2O/7% D2O | 20 | 6.6 | ambient | 298 | |
| 2 | 2D 1H-13C HSQC | 20mM potassium phosphate-1 | 93% H2O/7% D2O | 20 | 6.6 | ambient | 298 | |
| 3 | 3D CBCA(CO)NH | 20mM potassium phosphate-1 | 93% H2O/7% D2O | 20 | 6.6 | ambient | 298 | |
| 4 | 3D HNCACB | 20mM potassium phosphate-1 | 93% H2O/7% D2O | 20 | 6.6 | ambient | 298 | |
| 5 | 3D HBHA(CO)NH | 20mM potassium phosphate-1 | 93% H2O/7% D2O | 20 | 6.6 | ambient | 298 | |
| 6 | 3D H(CCO)NH | 20mM potassium phosphate-1 | 93% H2O/7% D2O | 20 | 6.6 | ambient | 298 | |
| 7 | 3D HCCH-TOCSY | 20mM potassium phosphate-1 | 93% H2O/7% D2O | 20 | 6.6 | ambient | 298 | |
| 8 | 3D HNCO | 20mM potassium phosphate-1 | 93% H2O/7% D2O | 20 | 6.6 | ambient | 298 | |
| 9 | 3D HNCA | 20mM potassium phosphate-1 | 93% H2O/7% D2O | 20 | 6.6 | ambient | 298 | |
| 10 | 3D C(CO)NH | 20mM potassium phosphate-1 | 93% H2O/7% D2O | 20 | 6.6 | ambient | 298 | |
| 11 | 3D 1H-15N TOCSY | 20mM potassium phosphate-1 | 93% H2O/7% D2O | 20 | 6.6 | ambient | 298 | |
| 12 | 3D 1H-13C NOESY | 20mM potassium phosphate-1 | 93% H2O/7% D2O | 20 | 6.6 | ambient | 298 | |
| 13 | 3D 1H-15N NOESY | 20mM potassium phosphate-1 | 93% H2O/7% D2O | 20 | 6.6 | ambient | 298 | |
| 14 | 3D CBCANH | 20mM potassium phosphate-1 | 93% H2O/7% D2O | 20 | 6.6 | ambient | 298 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 800 |
| 2 | Bruker | AVANCE | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| simulated annealing | Cyana used first to calculate the structures followed by refinement in explicit water in CNS. | CNS |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with the lowest energy |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 20 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | refinement | CNS | 1.2 | Brunger, Adams, Clore, Gros, Nilges and Read |
| 2 | refinement | CYANA | 2.1 | Guntert, Mumenthaler and Wuthrich |
| 3 | structure solution | CYANA | 2.1 | Guntert, Mumenthaler and Wuthrich |
| 4 | data analysis | MOLMOL | Koradi, Billeter and Wuthrich | |
| 5 | processing | Azara | Boucher | |
| 6 | data analysis | ProcheckNMR | Laskowski and MacArthur | |
| 7 | collection | TopSpin | Bruker Biospin | |
| 8 | data analysis | WHAT IF | Vriend | |
