2QUB
Crystal structure of extracellular lipase LipA from Serratia marcescens
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 4.6 | 281 | 26% MPD, 0.1M Na-Acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 281K, pH 4.60 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.21 | 61.66 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 202.401 | α = 90 |
b = 202.401 | β = 90 |
c = 317.731 | γ = 120 |
Symmetry | |
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Space Group | H 3 |
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 | MARMOSAIC 225 mm CCD | 2007-02-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X06SA | SLS | X06SA |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 1.8 | 50 | 95.6 | 0.066 | 0.066 | 11.6 | 24 | 430068 | -3 | 18.6 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.8 | 1.9 | 76.7 | 0.335 | 0.335 | 2.6 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | 1.8 | 24.93 | 430068 | 428693 | 1275 | 95.6 | 0.171 | 0.171 | 0.2 | RANDOM | 23.124 |
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] | |
0.02 | 0.01 | 0.02 | -0.02 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.224 |
r_dihedral_angle_4_deg | 19.564 |
r_dihedral_angle_3_deg | 10.553 |
r_dihedral_angle_1_deg | 5.149 |
r_scangle_it | 4.693 |
r_scbond_it | 3.258 |
r_mcangle_it | 2.031 |
r_mcbond_it | 1.543 |
r_angle_refined_deg | 1.098 |
r_symmetry_vdw_refined | 0.35 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 27606 |
Nucleic Acid Atoms | |
Solvent Atoms | 1921 |
Heterogen Atoms | 48 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
PHASER | phasing |