1QK1
CRYSTAL STRUCTURE OF HUMAN UBIQUITOUS MITOCHONDRIAL CREATINE KINASE
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1CRK | 1CRK, SARCOMERIC MITOCHONDRIAL CREATINE KINASE |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 6.75 | 0.025M NA-PHOSPHATE, 3 MM DTT, PH 6.75, 5 MG/ML PROTEIN |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.5 | 65 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 91.811 | α = 90 |
b = 125.868 | β = 96.71 |
c = 212.074 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 277 | AREA DETECTOR | MULTIWIRE SIEMENS | FRANKS DOUBLE MIRROR | 1998-12-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | ELLIOTT GX-18 |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.7 | 50 | 99.4 | 0.092 | 11.1 | 4.7 | 130945 | 49.3 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.7 | 2.8 | 99.1 | 0.313 | 2.7 | 3.2 |
Refinement
Statistics | |||||||||||||||||||
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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 | FREE R-VALUE | 1CRK, SARCOMERIC MITOCHONDRIAL CREATINE KINASE | 2.7 | 50 | 130945 | 6548 | 99.4 | 0.195 | 0.195 | 0.219 | RANDOM | 45.3 |
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] | |
7.16 | 0.63 | -1.59 | -5.58 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 23.6 |
c_scangle_it | 3.1 |
c_mcangle_it | 2.41 |
c_scbond_it | 1.95 |
c_angle_deg | 1.6 |
c_mcbond_it | 1.36 |
c_improper_angle_d | 0.94 |
c_bond_d | 0.01 |
c_bond_d_na | |
c_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 24280 |
Nucleic Acid Atoms | |
Solvent Atoms | 293 |
Heterogen Atoms | 40 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
XDS | data reduction |
XDS | data scaling |
CNS | phasing |