X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.2
Temperature 277.0
Details 1.8M AMMONIUM SULFATE 100MM HEPES PH 7.2 2MM MGADP 2MM AL(NO3)3 8MM NAF PROTEIN CONCENTRATION: 10MG/ML TEMPERATURE: 4 DEGREES CENTIGRADE, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 95.32 α = 111.21
b = 144.66 β = 106.1
c = 147.29 γ = 92.58
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD -- -- 1997-07
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE A1 -- CHESS A1

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
3.62 20 95.6 -- 0.111 -- 6.3 -- 75979 -- -- --
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)
3.62 3.9 94.2 -- 0.331 6.9 4.1 --

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
MOLECULAR REPLACEMENT 3.62 10.0 -- 0.0 -- 72931 -- 95.7 -- 0.277 0.277 0.352 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 48.9
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 0.6
x_bond_d 0.009
x_angle_deg 1.4
x_dihedral_angle_d 27.6
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 29812
Nucleic Acid Atoms 0
Heterogen Atoms 128
Solvent Atoms 8

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement
AMORE model building