X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 298.0
Details Peg 400, TRIS-HCl, pH 7.50, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 36.92 α = 90
b = 80.05 β = 90
c = 96.62 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
IMAGE PLATE MARRESEARCH MIRROR 2002-09-30
Diffraction Radiation
Monochromator Protocol
SI(111) 1.200
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ELETTRA BEAMLINE 5.2R 1.2000 ELETTRA 5.2R

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
2.9 33.3 96.8 0.109 0.109 -- 5.7 -- 6492 -- -- 68.0
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)
2.9 3.06 89.0 0.573 0.573 3.1 5.4 --

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
UNCONVENTIANAL METHOD USING THE GROUP-SUBGROUP RELATION 2.9 15.0 -- -- -- 6492 309 96.3 -- 0.26943 0.26695 0.31979 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 61.7
Anisotropic B[1][1] -3.24
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -10.3
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 13.54
RMS Deviations
Key Refinement Restraint Deviation
r_nbd_refined 0.354
r_gen_planes_refined 0.006
r_chiral_restr 0.156
r_dihedral_angle_2_deg 25.086
r_dihedral_angle_1_deg 7.507
r_angle_refined_deg 2.502
r_bond_refined_d 0.028
r_xyhbond_nbd_refined 0.25
r_symmetry_vdw_refined 0.337
r_symmetry_hbond_refined 0.395
r_mcbond_it 2.169
r_mcangle_it 4.087
r_scbond_it 6.679
r_scangle_it 10.53
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2478
Nucleic Acid Atoms 0
Heterogen Atoms 7
Solvent Atoms 7

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
REFMAC 5.1 Structure Refinement
Software
Software Name Purpose
REFMAC refinement
SCALA data reduction
MOSFLM data collection