X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 1.7 M AMMONIUM SULFATE, 10% (V/V) ETHANOL, pH 7.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.79 α = 90
b = 61.24 β = 90
c = 136.01 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 2002-06-15
Diffraction Radiation
Monochromator Protocol
NI FILTER SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ROTATING ANODE, GX-6 -- -- --

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 30 95.4 0.058 -- -- 2.8 -- 30005 -- -- 28.5
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)
2.0 2.03 83.5 0.42 -- 1.92 2.19 --

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 2.09 27.95 -- -- -- 23508 1181 98.3 -- 0.165 0.163 0.209 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 2.09 2.14 -- 63 1617 0.189 0.25 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.77
Anisotropic B[1][1] 0.46
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.09
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.36
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 3.794
r_scbond_it 2.532
r_mcangle_it 1.867
r_mcbond_it 1.02
r_nbd_refined 0.235
r_gen_planes_refined 0.01
r_chiral_restr 0.1
r_dihedral_angle_1_deg 2.936
r_angle_refined_deg 1.305
r_bond_refined_d 0.007
r_xyhbond_nbd_refined 0.141
r_metal_ion_refined 0.068
r_symmetry_vdw_refined 0.191
r_symmetry_hbond_refined 0.151
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3576
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 283

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.1.24 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.24 refinement
MOLREP model building