X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 4.5
Temperature 277.0
Details AMMONIUM SULFATE, SODIUM ACETATE, GLYCEROL, NADPH, METHOTREXATE, POTASSIUM PHOSPHATE, DTT, POTASSIUM CHLORIDE, pH 4.5, VAPOR DIFFUSION, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 60.51 α = 90
b = 60.51 β = 90
c = 58.83 γ = 90
Symmetry
Space Group P 41

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD SBC-2 -- 1998-09-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID -- APS 19-ID

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
1.7 50 99.7 0.042 -- -- 4.7 23394 109952 -- -- --
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)
1.7 1.78 99.7 0.263 -- -- 4.7 --

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
-- 1.7 50.0 -- 1.0 23394 23394 2311 90.0 -- 0.187 0.187 0.246 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.017
x_angle_deg 1.69
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1244
Nucleic Acid Atoms 0
Heterogen Atoms 110
Solvent Atoms 195

Software

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