X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.4
Temperature 291.0
Details 22% Ammonium sulphate, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 148.03 α = 90
b = 207.64 β = 90
c = 215.35 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 -- 2000-11-19
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-3 0.9340 ESRF ID14-3

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
2.5 30 95.2 -- -- -- 3.1 223075 223075 0.0 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)
2.5 2.59 90.5 -- -- -- -- --

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
-- 2.5 15.0 -- 0.0 -- 206366 10814 95.55 -- 0.18312 0.1809 0.22577 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 2.5 2.563 -- 712 14339 0.238 0.307 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 34.902
Anisotropic B[1][1] 2.33
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.83
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.5
RMS Deviations
Key Refinement Restraint Deviation
r_nbd_refined 0.215
r_gen_planes_refined 0.005
r_chiral_restr 0.108
r_dihedral_angle_3_deg 16.856
r_dihedral_angle_1_deg 6.466
r_angle_refined_deg 1.443
r_bond_refined_d 0.013
r_xyhbond_nbd_refined 0.14
r_symmetry_vdw_refined 0.137
r_symmetry_hbond_refined 0.176
r_mcbond_it 0.622
r_mcangle_it 1.209
r_scbond_it 1.819
r_scangle_it 2.902
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 30730
Nucleic Acid Atoms 0
Heterogen Atoms 534
Solvent Atoms 1150

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
REFMAC 5 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement