1K5Q
PENICILLIN ACYLASE, MUTANT COMPLEXED WITH PAA
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.2 | 277 | MOPS BUFFER, PEG MME 2K, PAA , pH 7.20, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.17 | 43.23 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 50.76 | α = 72.86 |
b = 63.96 | β = 73.91 |
c = 64.24 | γ = 73.5 |
Symmetry | |
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Space Group | P 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 | 120 | IMAGE PLATE | MAC Science DIP-2020 | MIRRORS | 2000-01-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | ENRAF-NONIUS FR591 | 1.5418 |
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 | 2.34 | 30 | 92.9 | 0.043 | 15.9 | 1.943 | 30551 | 28382 | -3 |
Highest Resolution Shell | |||||||||||||||||||
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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) | |||||||||||
2.34 | 2.38 | 77.5 | 0.098 | 5.5 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | 1PNK | 2.34 | 19.03 | 28355 | 26894 | 1461 | 92.9 | 0.16616 | 0.16337 | 0.21837 | RANDOM | 16.395 |
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] | |
-0.83 | 0.53 | -0.54 | 0.1 | -0.53 | 1.04 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_3_deg | 16.076 |
r_dihedral_angle_1_deg | 3.053 |
r_scangle_it | 2.734 |
r_scbond_it | 1.628 |
r_mcangle_it | 1.089 |
r_angle_other_deg | 0.87 |
r_mcbond_it | 0.57 |
r_nbd_refined | 0.218 |
r_nbd_other | 0.21 |
r_symmetry_vdw_other | 0.191 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6067 |
Nucleic Acid Atoms | |
Solvent Atoms | 358 |
Heterogen Atoms | 11 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
SCALEPACK | data scaling |
CNS | refinement |
DENZO | data reduction |
CNS | phasing |