X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.4
Details 25 % PEG 3350, 16% GLYCEROL, 130 MM NA CACODYLATE, PH 6.4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 91.3 α = 90
b = 46.4 β = 92.3
c = 63 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC MIRROR 1999-06-06
Diffraction Radiation
Monochromator Protocol
SI(111), SI(113) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 0.9315,0.9793,0.9795 ESRF ID14-4

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
1.25 37 97.7 0.06 -- -- 8.48 -- 71531 -- 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)
1.25 1.27 78.0 0.245 -- 2.0 1.5 --

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
MAD 1.25 25.0 -- -- -- 70348 1047 97.9 -- 0.149 0.149 0.167 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 1.25 1.28 -- 57 4262 0.183 0.228 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.45
Anisotropic B[1][1] 0.23
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.22
Anisotropic B[2][2] 0.55
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.76
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 5.405
r_scbond_it 3.818
r_mcangle_it 3.242
r_mcbond_it 2.196
r_nbd_refined 0.239
r_gen_planes_other 0.001
r_gen_planes_refined 0.005
r_chiral_restr 0.149
r_dihedral_angle_1_deg 6.144
r_angle_other_deg 2.514
r_angle_refined_deg 2.09
r_bond_other_d 0.002
r_bond_refined_d 0.024
r_nbd_other 0.276
r_nbtor_other 0.095
r_xyhbond_nbd_refined 0.185
r_symmetry_vdw_refined 0.338
r_symmetry_vdw_other 0.334
r_symmetry_hbond_refined 0.127
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1911
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 359

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE Structure Solution
REFMAC 5.1.27 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.27 refinement
SOLVE model building