X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.4
Temperature 292.0
Details PEG 3350, Ammonium Fluoride, Tris, glycerol, 1,8-ANS , pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 69.68 α = 90
b = 86.76 β = 109.54
c = 96.92 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 ADSC QUANTUM 4 -- 2002-11-30
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.1 1.4880 SRS PX14.1

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
2.6 24.62 99.99 0.092 0.092 -- 3.6 33483 33481 0.0 0.0 60.587
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)
2.6 2.74 97.8 0.69 0.571 1.9 3.1 14878

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 2.6 24.43 -- 0.0 33464 33464 1666 99.5 -- -- 0.209 0.25 R-free set was identical to that of PDB entries 1e03, 1e04 and 1e05
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 2.6 2.76 5444 245 -- 0.338 0.372 0.024 97.8
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.008
c_angle_d 1.3
c_angle_deg 1.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.33
Luzzati Sigma A (Observed) 0.43
Luzzati Resolution Cutoff (Low) 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6368
Nucleic Acid Atoms 0
Heterogen Atoms 312
Solvent Atoms 89

Software

Computing
Computing Package Purpose
ADX Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
MOLREP Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
ADX data collection
SCALA data reduction
CNS version: 1.0 refinement
Molrep model building