X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details 10-17% (V/V) PEG MONOMETHYLETHER 5000, 0.2 M AMMONIUM SULPHATE AND 0.1 M MES PH 5.0-6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.42 α = 90
b = 114.39 β = 90
c = 170.71 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2005-11-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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
2.7 40 97.6 0.12 -- -- 2.2 -- 39629 -- 2.0 --
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)
2.7 2.85 98.5 0.31 -- 2.2 -- --

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 2.7 94.92 -- -- -- 37597 1996 97.0 -- 0.264 0.261 0.321 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 2.7 2.77 -- 154 2760 0.356 0.432 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 37.66
Anisotropic B[1][1] -1.57
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.5
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.07
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 1.104
r_scbond_it 0.657
r_mcangle_it 0.506
r_mcbond_it 0.285
r_nbd_refined 0.2
r_gen_planes_refined 0.003
r_chiral_restr 0.077
r_dihedral_angle_4_deg 17.83
r_dihedral_angle_3_deg 17.13
r_dihedral_angle_2_deg 39.457
r_dihedral_angle_1_deg 5.337
r_angle_refined_deg 1.146
r_bond_refined_d 0.008
r_nbtor_refined 0.303
r_xyhbond_nbd_refined 0.138
r_symmetry_vdw_refined 0.179
r_symmetry_hbond_refined 0.278
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9216
Nucleic Acid Atoms 0
Heterogen Atoms 64
Solvent Atoms 111

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.2.0005 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0005 refinement
MOLREP model building