X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.7
Details 100 MM SODIUM CITRATE PH 4.7, 16-20 % POLYETHYLENE GLYCOL 6000, 1 MM DTT

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.95 α = 90
b = 159.29 β = 96.04
c = 163.57 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
CCD MARRESEARCH -- 1999-09-15
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 0.9184, 1.7392, 1.7416 ESRF BM14

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
1.9 30 97.4 -- 0.067 -- 3.3 -- 326433 -- -- 9.1
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)
1.9 1.97 91.2 -- 0.24 3.9 1.6 --

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
OTHER 1.9 19.97 -- 0.0 -- 323679 6435 98.9 -- 0.174 0.174 0.196 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 1.9 1.99 -- 790 39591 0.176 0.2 0.007 99.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model OVERALL
Mean Isotropic B 18.9
Anisotropic B[1][1] -1.28
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.71
Anisotropic B[2][2] 0.41
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.87
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 23.0
c_improper_angle_d 3.13
c_angle_deg 1.4
c_bond_d 0.009
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.05
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.2
Luzzati Sigma A (R-Free Set) 0.1
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 31022
Nucleic Acid Atoms 0
Heterogen Atoms 464
Solvent Atoms 4639

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SHARP phasing
SOLVE phasing
CNS refinement version: 1.0