1E2D
Human thymidylate kinase complexed with thymidine monophosphate, adenosine diphosphate and a magnesium-ion
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3TMK |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 8 | 293 | VAPOR DIFFUSION AT 293 K MIXING 2 MICROLITERS OF A SOLUTION CONTAINING THE ENZYME, NUCLEOTIDES, AND 50 MM MGCL2 WITH 2 MICROLITERS OF A SOLUTION CONTAINING 21% PEG 3350, 100 MM TRIS HCL PH 8.0 AND 50 MICROLITERS OF DEAD SEA WATER. AN ADP,TMP COCRYSTAL WAS SOAKED OVERNIGHT IN 250 MM NAF AND 80 MM ALCL3 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.64 | 53.41 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 101 | ¦Á = 90 |
b = 101 | ¦Â = 90 |
c = 49.8 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 43 21 2 |
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 | 100 | CCD | BRANDEIS | 1998-08-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X25 | NSLS | X25 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.63 | 33.46 | 95.7 | 0.061 | 23.4 | 10.5 | 31064 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.63 | 1.7 | 75.3 | 0.203 | 4 | 4.3 |
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-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3TMK | 1.65 | 33.4 | 27897 | 3109 | 95.7 | 0.201 | 0.242 | RANDOM |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
p_angle_d | 1.5 |
p_bond_d | 0.012 |
p_angle_deg | |
p_planar_d | |
p_hb_or_metal_coord | |
p_mcbond_it | |
p_mcangle_it | |
p_scbond_it | |
p_scangle_it | |
p_plane_restr |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1646 |
Nucleic Acid Atoms | |
Solvent Atoms | 291 |
Heterogen Atoms | 51 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
XSCALE | data scaling |
AMoRE | phasing |