X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7
Details CRYSTALLIZED BY SITTING DROP: 15 LAMBDA PROTEIN + 1-2 LAMBDA 2% CDSO4, pH 7.0, vapor diffusion - sitting drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 184 α = 90
b = 184 β = 90
c = 184 γ = 90
Symmetry
Space Group F 4 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 290
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1993-02
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.5 -- SRS PX9.5

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
1.95 20 100.0 0.03 -- -- 7.6 -- 19915 -- 0.0 15.9
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)
1.95 2.0 97.5 0.12 -- 6.3 4.2 --

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 1.95 20.0 -- 0.0 19915 19915 -- 100.0 0.192 0.192 0.192 -- --
RMS Deviations
Key Refinement Restraint Deviation
t_nbd 0.208
t_gen_planes 0.011
t_trig_c_planes 0.007
t_incorr_chiral_ct 0.0
t_dihedral_angle_d 14.94
t_angle_deg 0.78
t_bond_d 0.008
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1363
Nucleic Acid Atoms 0
Heterogen Atoms 6
Solvent Atoms 76

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (AGROVATA, ROTAVATA) Data Reduction (data scaling)
TNT V. 5-D Structure Refinement
Software
Software Name Purpose
TNT version: 5D refinement