X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.8
Details PEG3350 20% V/V, 0.1M TRI-SODIUM CITRATE, PH 7.8

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.56 α = 90
b = 114.26 β = 90
c = 157.28 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 MIRRORS 2003-02-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- ESRF ID14-2

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
2.75 30 98.3 0.14 -- -- 3.8 -- 37669 -- 3.0 --
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)
2.75 2.9 98.8 0.67 -- 1.9 -- --

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 2.75 30.0 -- -- -- 33849 1097 98.01 -- 0.20136 0.19964 0.25478 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 2.75 2.821 -- 76 2486 0.328 0.373 -- 99.07
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 34.816
Anisotropic B[1][1] -2.38
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.22
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.6
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 7.734
r_scbond_it 5.524
r_mcangle_it 3.218
r_mcbond_other 0.473
r_mcbond_it 2.284
r_nbd_refined 0.219
r_gen_planes_other 0.007
r_gen_planes_refined 0.009
r_chiral_restr 0.092
r_dihedral_angle_4_deg 17.162
r_dihedral_angle_3_deg 16.507
r_dihedral_angle_2_deg 39.975
r_dihedral_angle_1_deg 5.167
r_angle_other_deg 1.129
r_angle_refined_deg 1.548
r_bond_other_d 0.006
r_bond_refined_d 0.013
r_nbd_other 0.227
r_nbtor_refined 0.189
r_nbtor_other 0.09
r_xyhbond_nbd_refined 0.182
r_xyhbond_nbd_other 0.184
r_symmetry_vdw_refined 0.193
r_symmetry_vdw_other 0.377
r_symmetry_hbond_refined 0.253
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8956
Nucleic Acid Atoms 0
Heterogen Atoms 48
Solvent Atoms 86

Software

Computing
Computing Package Purpose
MOSFILM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.2.0019 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0019 refinement
MOLREP model building