6HRN
C-Phycocyanin from heterocyst forming filamentous cyanobacterium Nostoc sp. WR13
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293 | Morpheus crystallisation screen condition C4: 37.5% MPD_Peg1K_Peg3350 precipitant, 0.1M buffer system (imidazole & MES) and the NPS (nitrate, phosphate & sulfate) mix of additives. |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.72 | 66.98 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 151.473 | α = 90 |
| b = 151.473 | β = 90 |
| c = 39.764 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 63 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | PIXEL | DECTRIS PILATUS 6M-F | 2018-09-07 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I04-1 | 0.91587 | Diamond | I04-1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||
| 1 | 1.513 | 131.179 | 94.6 | 0.033 | 0.037 | 0.016 | 1 | 20.5 | 5.6 | 73328 | 27.18 | ||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 1.513 | 1.589 | 54 | 1.013 | 1.135 | 0.47 | 0.609 | 1.5 | 5.6 | ||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | not published yet | 1.513 | 75.75 | 69746 | 3582 | 89.58 | 0.11678 | 0.11487 | 0.15396 | RANDOM | 43.086 | ||||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
| 0.48 | 0.24 | 0.48 | -1.57 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_sphericity_free | 40.627 |
| r_dihedral_angle_2_deg | 32.17 |
| r_sphericity_bonded | 28.8 |
| r_dihedral_angle_3_deg | 14.161 |
| r_dihedral_angle_4_deg | 13.202 |
| r_long_range_B_refined | 7.54 |
| r_scangle_other | 7.099 |
| r_long_range_B_other | 7.077 |
| r_scbond_it | 6.428 |
| r_scbond_other | 6.426 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2478 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 369 |
| Heterogen Atoms | 245 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| XDS | data reduction |
| pointless | data scaling |
| Aimless | data scaling |
| AutoPROC | data scaling |
| STARANISO | data scaling |
| PHASER | phasing |
