2QMB
Structure determination of haemoglobin from Turkey(meleagris gallopavo) at 2.8 Angstrom resolution
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 293 | 10mM Tris-HCl, 35% PEG 3350, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.15 | 42.83 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 66 | α = 90 |
b = 79.795 | β = 90 |
c = 103.92 | 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 | 293 | IMAGE PLATE | MARRESEARCH | 2006-06-04 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU300 | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 2.8 | 50 | 98.67 | 0.176 | 3.3 | 4.18 | 13851 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 2.8 | 2.9 | 99.3 | 3.94 | 1430 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 2.8 | 25.43 | 12788 | 1042 | 98.67 | 0.18029 | 0.17181 | 0.17 | 0.28356 | 0.27 | RANDOM | 42.397 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
0.04 | -0.09 | 0.06 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 41.172 |
r_dihedral_angle_3_deg | 26.541 |
r_dihedral_angle_4_deg | 21.004 |
r_dihedral_angle_1_deg | 9.763 |
r_scangle_it | 6.866 |
r_scbond_it | 4.789 |
r_angle_refined_deg | 3.343 |
r_mcangle_it | 2.971 |
r_mcbond_it | 2.081 |
r_symmetry_vdw_refined | 0.549 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 4470 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 180 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
AUTOMAR | data reduction |
AMoRE | phasing |