The structure of azide-bound cytochrome c oxidase determined using the another batch crystals exposed to 20 mM azide solution for 2 days
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 5B1A | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | BATCH MODE | 6.8 | 277 | PEG4000, Sodium phosphate | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 4.08 | 69.86 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 183.126 | α = 90 | 
| b = 205.893 | β = 90 | 
| c = 177.576 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 | 
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 50 | CCD | RAYONIX MX225HE | 2014-07-03 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | SPRING-8 BEAMLINE BL44XU | 0.9 | SPring-8 | BL44XU | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 1.85 | 200 | 99.9 | 0.122 | 0.127 | 0.032 | 11.4 | 15.8 | 561432 | ||||||||||
| 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 | 1.85 | 1.87 | 100 | 1.108 | 1.147 | 0.294 | 0.921 | 14.9 | |||||||||||
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 5B1A | 1.85 | 40 | 532947 | 28239 | 99.3 | 0.1645 | 0.1632 | 0.16 | 0.1887 | 0.19 | RANDOM | 40.336 | ||||
| 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] | |
| 0.23 | 3.22 | -3.45 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 35.298 | 
| r_dihedral_angle_4_deg | 16.254 | 
| r_dihedral_angle_3_deg | 15.312 | 
| r_dihedral_angle_1_deg | 6.606 | 
| r_angle_refined_deg | 2.645 | 
| r_chiral_restr | 0.218 | 
| r_bond_refined_d | 0.03 | 
| r_gen_planes_refined | 0.017 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 28506 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 1618 | 
| Heterogen Atoms | 2708 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| SCALEPACK | data scaling | 
| REFMAC | refinement | 
| PDB_EXTRACT | data extraction | 
| REFMAC | phasing | 














