X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details HANGING DROP METHOD, 12 MG/ML PROTEIN IN 30 MM HEPES, PH 6.5, 0.05 % NAN3 PRECIPITANT 66% SATURATED AMMONIUM SULFATE, 100MM TRIS-HCL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 134.3 α = 90
b = 136.4 β = 90
c = 80.3 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH BENT MULTILAYER MIRROR, SAGITALLY FOCUSING CRYSTAL 1998-04-15
Diffraction Radiation
Monochromator Protocol
C(111), GE(220) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-3 -- ESRF ID14-3

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 34.9 99.8 0.049 0.049 -- 3.4 -- 51406 -- 0.0 18.9
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 2.1 99.8 0.147 0.147 4.0 3.0 --

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 2.0 17.4 -- 0.0 -- 50381 2796 99.8 -- 0.169 0.169 0.18 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 2.0 2.07 -- 251 4632 0.236 0.245 0.015 99.8
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.4
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 4.9
x_scbond_it 3.8
x_mcangle_it 4.9
x_mcbond_it 3.8
x_improper_angle_d 2.6
x_bond_d 0.029
x_angle_deg 3.002
x_dihedral_angle_d 23.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4017
Nucleic Acid Atoms 0
Heterogen Atoms 349
Solvent Atoms 788

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR 3.843 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.843 refinement
X-PLOR model building