2KNT
THE 1.2 ANGSTROM STRUCTURE OF KUNITZ TYPE DOMAIN C5
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1AAP | PDB ENTRY 1AAP |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 3.3 | 0.2M LI2SO4, 0.1M CITRIC ACID, 0.074M NA2HPO4, 1.6M (NH4)2SO4, 10MG/ML, PH3.3 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.99 | 39 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 25.69 | α = 90 |
b = 38.04 | β = 109.2 |
c = 28.64 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 291 | IMAGE PLATE | MARRESEARCH | 1995-12-14 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | LURE BEAMLINE DW32 | LURE | DW32 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.18 | 20.4 | 96 | 0.055 | 46.5 | 4.9 | 16657 |
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) | |||||||||||
1.18 | 1.21 | 52.5 | 0.75 | 1.09 | 2.4 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | FREE R-VALUE | PDB ENTRY 1AAP | 1.2 | 7 | 16307 | 1600 | 96 | 0.1489 | 0.1455 | 0.2057 | EVERY 10TH REFLECTION |
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] | |
Coordinate Error | ||
---|---|---|
Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
5 | 630 | 476 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
s_zero_chiral_vol | 0.148 |
s_non_zero_chiral_vol | 0.13 |
s_approx_iso_adps | 0.108 |
s_similar_adp_cmpnt | 0.043 |
s_angle_d | 0.033 |
s_bond_d | 0.024 |
s_from_restr_planes | 0.016 |
s_similar_dist | 0.014 |
s_anti_bump_dis_restr | 0.01 |
s_rigid_bond_adp_cmpnt | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 476 |
Nucleic Acid Atoms | |
Solvent Atoms | 51 |
Heterogen Atoms | 5 |
Software
Software | |
---|---|
Software Name | Purpose |
MOSFLM | data reduction |
Agrovata | data reduction |
AMoRE | phasing |
SHELXL-93 | refinement |
Agrovata | data scaling |