1SWT
CORE-STREPTAVIDIN MUTANT D128A IN COMPLEX WITH BIOTIN AT PH 4.5
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1SWA | PDB ENTRY 1SWA |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 4.5 | INCUBATED IN 2.5 M BIOTIN/HOH, COCRYSTALLIZED IN 52% MPD (PH 4.5) |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.23 | 44.84 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 55.7 | α = 90 |
b = 84.8 | β = 90 |
c = 50 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 295 | AREA DETECTOR | SIEMENS | 1996-11-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 |
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 | 2 | 50 | 88 | 0.054 | 7 | 3 | 14716 | 1 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 2 | 2.1 | 43 | 1 |
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 | RFREE | PDB ENTRY 1SWA | 2 | 10 | 14716 | 1471 | 88 | 0.214 | 0.209 | 0.308 | 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 |
1675 | 1886.5 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
s_from_restr_planes | 0.166 |
s_non_zero_chiral_vol | 0.089 |
s_zero_chiral_vol | 0.087 |
s_similar_adp_cmpnt | 0.082 |
s_angle_d | 0.024 |
s_anti_bump_dis_restr | 0.021 |
s_bond_d | 0.006 |
s_similar_dist | |
s_rigid_bond_adp_cmpnt | |
s_approx_iso_adps |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 1751 |
Nucleic Acid Atoms | |
Solvent Atoms | 104 |
Heterogen Atoms | 32 |
Software
Software | |
---|---|
Software Name | Purpose |
AMoRE | phasing |
SHELXL-97 | refinement |
SADIE | data reduction |
SAINT | data reduction |
SADABS | data scaling |
XPREP | data reduction |