2VK4
Crystal structure of pyruvate decarboxylase from Kluyveromyces lactis
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2G1I | PDB ENTRY 2G1I |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.45 | 281 | 50MM MES, 1MM DTT, 5MM TDP, 5MM MAGNESIUM SULFATE, 10% PEG 2000, 10% PEG 8000, 2MG KLPDC/ML, PH 6.45, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 281K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.59 | 52.59 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 78.709 | ¦Á = 90 |
b = 203.175 | ¦Â = 91.81 |
c = 79.815 | ¦Ã = 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 | 100 | CCD | MARRESEARCH | 2005-05-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE X11 | EMBL/DESY, HAMBURG | X11 |
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 | 1.95 | 48.45 | 86.3 | 0.1 | 11.5 | 4.3 | 155315 | 1 |
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 | 1.95 | 2.06 | 80.6 | 0.51 | 2.5 |
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 | THROUGHOUT | PDB ENTRY 2G1I | 1.95 | 48.45 | 147446 | 7784 | 100 | 0.18 | 0.178 | 0.23 | RANDOM | 22.08 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-0.06 | -0.06 | 0.26 | -0.2 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.346 |
r_dihedral_angle_4_deg | 21.703 |
r_dihedral_angle_3_deg | 16.696 |
r_dihedral_angle_1_deg | 6.596 |
r_scangle_it | 3.772 |
r_scbond_it | 2.512 |
r_angle_refined_deg | 1.85 |
r_mcangle_it | 1.588 |
r_mcbond_it | 0.929 |
r_chiral_restr | 0.441 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 17227 |
Nucleic Acid Atoms | |
Solvent Atoms | 1319 |
Heterogen Atoms | 108 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
MOLREP | phasing |