1.0 A Crystal Structure of T121V Mutant of Nitrophorin 4 Complexed with Nitric Oxide
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 1KOI | PDB entry 1KOI | 
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 298 | Ammonium Phosphate 3.2 M, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 1.96 | 37.22 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 70.395 | α = 90 | 
| b = 42.724 | β = 94.31 | 
| c = 53.032 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | C 1 2 1 | 
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315 | Flat mirror (vertical focusing) | 2002-02-24 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | SSRL BEAMLINE BL9-1 | 0.751 | SSRL | BL9-1 | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | 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 | 1.01 | 30.6 | 96.1 | 0.043 | 0.043 | 16.6 | 3.66 | 80037 | 80037 | 3.96 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1.01 | 1.04 | 88.6 | 0.175 | 0.175 | 6.2 | 3.46 | 7313 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||
| X-RAY DIFFRACTION | FOURIER SYNTHESIS | THROUGHOUT | PDB entry 1KOI | 1.01 | 26.44 | 80037 | 75071 | 3967 | 96.06 | 0.13006 | 0.13006 | 0.1293 | 0.13 | 0.14452 | 0.13 | RANDOM | 6.09 | ||
| 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] | |
| 0.01 | -0.01 | -0.01 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_1_deg | 7.45 | 
| r_sphericity_free | 4.162 | 
| r_scangle_it | 3.088 | 
| r_sphericity_bonded | 2.734 | 
| r_angle_other_deg | 2.576 | 
| r_scbond_it | 2.137 | 
| r_mcangle_it | 1.775 | 
| r_angle_refined_deg | 1.729 | 
| r_mcbond_it | 1.172 | 
| r_rigid_bond_restr | 1.093 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 1448 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 265 | 
| Heterogen Atoms | 50 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| Blu-Ice | data collection | 
| d*TREK | data scaling | 














