X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details pH 6.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.81 α = 90
b = 52.91 β = 103.24
c = 62.97 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 -- 1999-11-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
2.85 30 97.9 0.049 -- -- 2.9 -- 18243 -- -- 133.3
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)
2.85 2.95 95.6 0.281 -- 4.0 2.4 --

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
MIR 2.85 19.35 -- 0.0 -- 6230 516 97.8 -- 0.219 0.219 0.281 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 2.85 3.03 -- 71 938 0.424 0.627 0.074 96.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 55.4
Anisotropic B[1][1] -18.29
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 6.8
Anisotropic B[2][2] 23.39
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -5.1
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.76
c_scbond_it 1.67
c_mcangle_it 2.35
c_mcbond_it 1.31
c_improper_angle_d 1.03
c_bond_d 0.008
c_angle_deg 1.3
c_dihedral_angle_d 21.8
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.41
Luzzati Sigma A (Observed) 0.66
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.45
Luzzati Sigma A (R-Free Set) 0.77
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1277
Nucleic Acid Atoms 527
Heterogen Atoms 2
Solvent Atoms 4

Software

Computing
Computing Package Purpose
HKL Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
SOLVE model building