X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5
Details 12% PEG 400, PH 5.0 ACETATE, 10MM NAD

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74 α = 90
b = 81.2 β = 92.9
c = 79 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1995-07-22
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX7.2 -- SRS PX7.2

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
2.08 26.35 93.1 0.057 -- -- 2.2 -- 51902 -- -- 33.0
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)
2.08 2.14 71.4 0.104 -- 4.6 1.5 --

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
MOLECULAR REPLACEMENT AND ISOMORPHOUS REPLACEMENT 2.09 10.0 -- -- 52346 52346 -- 93.0 -- -- 0.162 -- --
RMS Deviations
Key Refinement Restraint Deviation
t_gen_planes 0.018
t_trig_c_planes 0.012
t_bond_d 0.013
t_nbd 0.188
t_incorr_chiral_ct 2.0
t_angle_deg 1.503
t_dihedral_angle_d 16.461
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7336
Nucleic Acid Atoms 0
Heterogen Atoms 176
Solvent Atoms 327

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
AGROVATA Data Reduction (data scaling)
CCP4 Structure Solution
TNT Structure Refinement
Software
Software Name Purpose
TNT refinement
CCP4 model building