X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 4.5
Temperature 293.0
Details PEG 300, Sodium acetate, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.39 α = 90
b = 92.69 β = 90
c = 36.78 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-11-14
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.2 0.978 SRS PX14.2

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
1.82 31.47 98.6 -- -- -- -- -- 11155 2.0 2.0 26.21
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)
1.82 1.867 97.0 -- -- -- -- --

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 1.82 31.47 -- 2.0 -- 11155 1226 98.6 -- 0.18373 0.17867 0.23043 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 1.82 1.867 -- 90 804 0.227 0.299 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.21
Anisotropic B[1][1] 4.86
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -3.31
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.55
RMS Deviations
Key Refinement Restraint Deviation
r_nbtor_other 0.091
r_bond_other_d 0.01
r_scbond_it 4.161
r_gen_planes_refined 0.007
r_dihedral_angle_1_deg 9.08
r_symmetry_vdw_refined 0.297
r_chiral_restr 0.223
r_mcangle_it 2.788
r_symmetry_hbond_refined 0.587
r_scangle_it 6.407
r_nbd_other 0.264
r_symmetry_vdw_other 0.375
r_angle_other_deg 1.217
r_bond_refined_d 0.02
r_nbd_refined 0.283
r_angle_refined_deg 1.911
r_gen_planes_other 0.002
r_xyhbond_nbd_refined 0.189
r_mcbond_it 1.778
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 935
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 71

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.27
MOSFLM data reduction
CCP4 data scaling version: (SCALA)
MOLREP phasing