X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 2.5 M (NH4)2SO4 5% ISOPROPANOL 0.1 M NA CITRATE, PH 5.6

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.66 α = 90
b = 44.23 β = 90
c = 44.24 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 MARRESEARCH MIRRORS 2006-07-03
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID -- APS 17-ID

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
2.33 44 99.9 0.06 -- -- 6.7 -- 3624 -- 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)
2.33 2.46 100.0 0.21 -- 6.9 7.0 --

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 2.33 44.24 -- -- -- 3453 155 99.7 -- 0.242 0.241 0.264 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 2.33 2.39 -- 8 255 0.305 0.49 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 70.77
Anisotropic B[1][1] 2.11
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.21
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.1
RMS Deviations
Key Refinement Restraint Deviation
r_mcangle_it 0.722
r_xyhbond_nbd_refined 0.107
r_angle_refined_deg 1.569
r_symmetry_hbond_refined 0.323
r_nbd_refined 0.252
r_scangle_it 1.759
r_dihedral_angle_1_deg 6.955
r_dihedral_angle_2_deg 49.605
r_nbtor_refined 0.304
r_mcbond_it 0.482
r_chiral_restr 0.112
r_gen_planes_refined 0.005
r_dihedral_angle_3_deg 18.72
r_dihedral_angle_4_deg 37.916
r_scbond_it 1.111
r_symmetry_vdw_refined 0.198
r_bond_refined_d 0.011
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 582
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 18

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0019
MOSFLM data reduction
SCALA data scaling
PHASER phasing