1Y4A
Crystal structure of the complex of subtilisin BPN' with chymotrypsin inhibitor 2 M59R/E60S mutant
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1TM3 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 277 | HANGING DROP microseeded. sodium citrate, isopropanol, PEG 2000, pH 4.6, vapor diffusion, hanging drop, microseeded, temperature 277K, VAPOR DIFFUSION, HANGING DROP |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.7 | 29.1 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 57.446 | α = 90 |
b = 41.384 | β = 110.41 |
c = 63.881 | 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 | 100 | CCD | ADSC QUANTUM 4 | 2003-06-14 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 8.3.1 | 1.000 | ALS | 8.3.1 |
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 | 1.6 | 59.76 | 99.76 | 0.072 | 9.4 | 3.8 | 35473 | -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-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1TM3 | 1.6 | 59.76 | 35473 | 1883 | 99.76 | 0.15808 | 0.15808 | 0.15574 | 0.2031 | RANDOM | 17.298 |
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] | |
-0.55 | -0.97 | -0.01 | -0.11 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_1_deg | 6.235 |
r_scangle_it | 4.36 |
r_scbond_it | 2.613 |
r_angle_refined_deg | 1.65 |
r_mcangle_it | 1.585 |
r_mcbond_it | 0.98 |
r_symmetry_hbond_refined | 0.261 |
r_nbd_refined | 0.221 |
r_xyhbond_nbd_refined | 0.196 |
r_symmetry_vdw_refined | 0.19 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2448 |
Nucleic Acid Atoms | |
Solvent Atoms | 420 |
Heterogen Atoms | 39 |
Software
Software | |
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Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
TRUNCATE | data reduction |
EPMR | phasing |
REFMAC | refinement |
CCP4 | data scaling |
TRUNCATE | data scaling |