X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.9
Details HANGING DROP VAPOR DIFFUSION. WELL: 53% SATURATED AMMONIUM SULFATE, 75 MILLIMOLAR SODIUM PHOSPHATE BUFFER (PH 6.9). DROP: EQUAL VOLUMES OF WELL SOLUTION AND PRE-REACTED ENZYME/HYDROXYPYRUVATE COMPLEX (SEE JRNL REFERENCE), vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 121 α = 90
b = 121 β = 90
c = 196.82 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 108
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC MSC MIRROR SYSTEM 1995-09
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE MACSCIENCE M18XHF -- -- --

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
2.45 100 92.5 0.041 -- -- 2.43 -- 60890 -- 0.0 --
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)
2.44 2.49 80.0 0.245 -- 4.15 1.8 --

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 2.45 6.0 -- 2.0 -- 53525 -- 93.2 -- 0.219 0.219 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 32.7
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.64
x_bond_d 0.012
x_angle_deg 1.7
x_dihedral_angle_d 23.5
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8995
Nucleic Acid Atoms 0
Heterogen Atoms 24
Solvent Atoms 171

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR 3.1 Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR version: 3.1 model building