X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5
Temperature 293.0
Details 10 % PEG 6000, 1.0 M LiCl, 0.1 M Citric Acid, pH 5.0, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 293K, pH 5.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 85.07 α = 90
b = 85.07 β = 90
c = 206.01 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2002-06-19
Diffraction Radiation
Monochromator Protocol
DOUBLE CRYSTAL MONOCHROMATOR MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 0.97903, 0.91837, 0.97874 SSRL BL9-2

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
2.5 42.53 99.9 -- 0.069 -- 7.7 -- 30706 -- -- 58.5
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)
2.5 2.57 100.1 -- 0.408 5.0 7.9 --

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
MAD 2.5 42.53 -- 2.0 30584 30509 1515 99.7 -- 0.195 0.195 0.251 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.5 2.53 -- 55 898 0.2528 0.3027 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model ISOTROPIC
Mean Isotropic B 40.9
Anisotropic B[1][1] -5.552
Anisotropic B[1][2] -4.912
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -5.552
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 11.105
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.594
c_scbond_it 2.514
c_mcangle_it 2.089
c_mcbond_it 1.291
c_bond_d 0.012
c_angle_deg 1.62
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.32
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5620
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 206

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4, SCALEPACK Data Reduction (data scaling)
SHAKE-N-BAKE, MLPHARE, CCP4, SOLVE Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS refinement
SNB/MLphare/CCP4/SOLVE model building
CCP4/Scalepack data reduction
Mosflm data collection