X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5
Details 0.1M CITRIC ACID, PH 5, 20% PEG 6000

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 36.5 α = 90
b = 43.1 β = 90
c = 57 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
IMAGE PLATE MARRESEARCH MIRRORS 2007-11-30
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 -- ESRF BM14

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 99.6 0.12 -- -- 7.02 -- 8726 -- 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)
1.8 1.9 99.3 0.59 -- 3.86 7.13 --

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 30.0 -- -- -- 8131 614 99.7 -- 0.181 0.178 0.22 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 1.85 -- 51 576 0.211 0.244 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.79
Anisotropic B[1][1] 1.84
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.27
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.57
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 3.66
r_scbond_it 2.365
r_mcangle_it 1.746
r_mcbond_it 1.162
r_nbd_refined 0.202
r_gen_planes_refined 0.007
r_chiral_restr 0.092
r_dihedral_angle_4_deg 13.164
r_dihedral_angle_3_deg 16.658
r_dihedral_angle_2_deg 33.794
r_dihedral_angle_1_deg 5.244
r_angle_refined_deg 1.324
r_bond_refined_d 0.015
r_nbtor_refined 0.314
r_xyhbond_nbd_refined 0.093
r_symmetry_vdw_refined 0.22
r_symmetry_hbond_refined 0.127
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 852
Nucleic Acid Atoms 0
Heterogen Atoms 7
Solvent Atoms 51

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.3.0040 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.3.0040 refinement
MOLREP model building