Bovine Heart Cytochrome c Oxidase in the Carbon Dioxide-bound Fully Reduced State
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 8R8S | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | BATCH MODE | 6.8 | 277 | 40 mM sodium phosphate buffer, pH 6.8 0.2% (w/v) decyl-maltoside 1% (w/v) polyethylene glycol 4000 | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 4.21 | 70.81 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 182.7 | α = 90 | 
| b = 205.1 | β = 90 | 
| c = 177.6 | 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 | 90 | PIXEL | DECTRIS EIGER X 16M | 2024-04-21 | 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) | Rrim 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 | 1.85 | 200 | 100 | 0.117 | 0.999 | 15.7 | 17.7 | 1100575 | 31.8 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 1.85 | 1.9 | 100 | 2.43 | 0.741 | 1.31 | 16.4 | ||||||||||||
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 | 8R8S | 1.85 | 40 | 534393 | 27946 | 99.98 | 0.13495 | 0.1331 | 0.1474 | 0.17028 | 0.1783 | RANDOM | 42.774 | ||||
| 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] | |
| -0.56 | 4.69 | -4.13 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 32.27 | 
| r_dihedral_angle_4_deg | 15.268 | 
| r_dihedral_angle_3_deg | 14.058 | 
| r_scangle_other | 6.959 | 
| r_long_range_B_refined | 6.388 | 
| r_long_range_B_other | 6.334 | 
| r_dihedral_angle_1_deg | 6.195 | 
| r_scbond_it | 6.111 | 
| r_scbond_other | 6.111 | 
| r_mcangle_other | 4.58 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 27834 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 2001 | 
| Heterogen Atoms | 2592 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| XDS | data reduction | 
| XSCALE | data scaling | 
| MOLREP | phasing | 














