X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 2.1 M D,L-MALIC ACID AT PH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 47.69 α = 90
b = 77.1 β = 90
c = 90.5 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 CCD MIRRORS --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON DIAMOND BEAMLINE I02 -- Diamond I02

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
1.8 30 99.3 0.11 -- -- 4.8 -- 31381 -- 0.0 --
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)
1.8 1.9 99.5 0.36 -- 13.1 4.9 --

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 1.8 29.97 -- -- -- 29712 1566 98.81 -- 0.19372 0.19063 0.25315 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 1.8 1.847 -- 134 2154 0.262 0.333 -- 99.31
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 12.921
Anisotropic B[1][1] -0.13
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.07
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.2
RMS Deviations
Key Refinement Restraint Deviation
r_angle_other_deg 0.987
r_dihedral_angle_4_deg 9.193
r_mcbond_other 0.291
r_scangle_it 5.172
r_dihedral_angle_2_deg 39.22
r_scbond_it 2.872
r_bond_refined_d 0.017
r_dihedral_angle_3_deg 11.894
r_dihedral_angle_1_deg 5.817
r_angle_refined_deg 1.466
r_gen_planes_refined 0.006
r_chiral_restr 0.086
r_gen_planes_other 0.001
r_bond_other_d 0.001
r_mcangle_it 1.768
r_mcbond_it 0.989
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2689
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 254

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0102
MOSFLM data reduction
SCALA data scaling
PHASER phasing