X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.2
Details pH 6.20

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 100.17 α = 90
b = 70.76 β = 106.11
c = 133.82 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1997-06-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 -- SSRL BL9-1

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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
2 20.66 91.5 0.043 -- -- -- -- 111498 -- 2.0 24.9
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.0 2.03 76.0 0.669 -- -- -- --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 2.1 20.0 -- 2.0 -- 96682 4829 91.9 -- 0.227 0.227 0.313 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.1 2.23 -- 759 14639 0.364 0.399 0.014 88.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 38.1
Anisotropic B[1][1] -7.87
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 2.47
Anisotropic B[2][2] 7.63
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.24
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 2.0
x_dihedral_angle_d 27.6
x_bond_d 0.017
x_mcbond_it 1.78
x_scbond_it 2.77
x_scangle_it 4.17
x_improper_angle_d 1.76
x_mcangle_it 2.95
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.31
Luzzati Sigma A (Observed) 0.39
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.4
Luzzati Sigma A (R-Free Set) 0.38
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11294
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 1001

Software

Software
Software Name Purpose
X-PLOR model building
X-PLOR refinement version: 3.1
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing