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_special_tor 0.0
p_transverse_tor 37.3
p_staggered_tor 17.5
p_planar_tor 3.9
p_multtor_nbd 0.264
p_bond_d 0.01
p_angle_d 0.026
p_planar_d 0.03
p_mcbond_it 1.39
p_mcangle_it 2.0
p_scbond_it 1.73
p_scangle_it 2.78
p_plane_restr 0.02
p_chiral_restr 0.099
p_singtor_nbd 0.178
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

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