X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details PROTEIN WAS CRYSTALLIZED FROM 0.1 M CITRATE/PHOSPHATE BUFFER, PH 7.5, 1.2 M AMMONIUM SULFATE CONTAINING 50 MM NAD

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.2 α = 90
b = 79.2 β = 90
c = 152.88 γ = 120
Symmetry
Space Group P 64 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1996-10-02
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 -- MPG/DESY, HAMBURG BW6

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 25 94.4 -- 0.067 -- 4.5 -- 18861 -- 0.0 15.4
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)
2.0 2.07 94.0 -- 0.188 14.4 4.5 --

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 2.0 25.0 -- 0.0 -- 17895 966 94.4 -- -- 0.179 0.23 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.6
RMS Deviations
Key Refinement Restraint Deviation
p_singtor_nbd 0.178
p_transverse_tor 37.3
p_special_tor 0.0
p_mcbond_it 1.39
p_multtor_nbd 0.264
p_scbond_it 1.73
p_angle_d 0.026
p_planar_tor 3.9
p_scangle_it 2.78
p_mcangle_it 2.0
p_planar_d 0.03
p_bond_d 0.01
p_staggered_tor 17.5
p_plane_restr 0.02
p_chiral_restr 0.099
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.08
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1969
Nucleic Acid Atoms 0
Heterogen Atoms 44
Solvent Atoms 120

Software

Software
Software Name Purpose
AMoRE phasing
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling