1SWK
CORE-STREPTAVIDIN MUTANT W79F 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 | pH 4.5 |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.74 | 55.17 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 59.3 | α = 90 |
b = 64.6 | β = 93 |
c = 76 | γ = 90 |
Symmetry | |
---|---|
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 | 295 | IMAGE PLATE | RIGAKU RAXIS II | MSC MIRRORS | 1996-10-30 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH2R |
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 | 43.1 | 97 | 0.08 | 6.9 | 38017 | 1 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
2 | 2.1 | 87 | 0.29 | 2.7 |
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 | 38107 | 3782 | 97 | 0.186 | 0.184 | 0.238 | 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 |
3264 | 3767 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
s_zero_chiral_vol | 0.098 |
s_non_zero_chiral_vol | 0.093 |
s_similar_adp_cmpnt | 0.079 |
s_angle_d | 0.024 |
s_from_restr_planes | 0.017 |
s_anti_bump_dis_restr | 0.013 |
s_bond_d | 0.007 |
s_similar_dist | |
s_rigid_bond_adp_cmpnt | |
s_approx_iso_adps |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3488 |
Nucleic Acid Atoms | |
Solvent Atoms | 221 |
Heterogen Atoms | 64 |
Software
Software | |
---|---|
Software Name | Purpose |
SHELXL-97 | model building |
X-PLOR | model building |
SHELXL-97 | refinement |
X-PLOR | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
SHELXL-97 | phasing |
X-PLOR | phasing |