X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 2.0 M NA/KH2PO4, 100 M M TRIS PH 7.5, 5% 2-PROPANOL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 140.8 α = 90
b = 235.7 β = 90
c = 89 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 -- MIRRORS 2001-06-17
Diffraction Radiation
Monochromator Protocol
SI OTHER
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- 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
2.9 20 98.3 0.07 -- -- 10.1 -- 62691 -- 0.5 --
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 3.0 92.5 0.492 -- 1.1 -- --

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
OTHER 2.9 20.0 -- -- -- 27097 1438 86.0 -- 0.248 0.246 0.286 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 2.9 2.97 -- 71 1308 0.266 0.342 -- --
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 7.757
r_scbond_it 4.718
r_mcangle_it 3.968
r_mcbond_it 1.798
r_nbd_refined 0.335
r_gen_planes_refined 0.006
r_chiral_restr 0.133
r_dihedral_angle_3_deg 21.177
r_dihedral_angle_1_deg 4.305
r_angle_refined_deg 1.593
r_bond_refined_d 0.017
r_xyhbond_nbd_refined 0.195
r_symmetry_vdw_refined 0.265
r_symmetry_hbond_refined 0.381
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5478
Nucleic Acid Atoms 0
Heterogen Atoms 66
Solvent Atoms 0

Software

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