X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 281.15
Details 20%PEG MME 5000, 0.2M amm.sulfate, 0.1M Cacod.acid/Na Cacodylate, 10microM Zn acetate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 281.15K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 44.76 α = 90
b = 77.43 β = 101.7
c = 78.5 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH mirrors 2002-02-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ENRAF-NONIUS FR591 1.5418 -- --

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
2.01 54.23 97.0 0.073 0.063 -- 3.7 34214 33715 -- 3.0 15.16
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)
2.01 2.12 88.2 0.144 0.118 6.0 2.7 4475

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 2.01 25.0 -- 0.0 34797 33305 3304 96.0 -- -- 0.1865 0.216 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 2.01 2.03 384 44 -- 0.2093 0.2321 -- --
X Ray Diffraction 2.5 2.54 592 76 -- 0.1874 0.2106 -- --
X Ray Diffraction 3.08 3.15 618 82 -- 0.1896 0.2106 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model restrained
Anisotropic B[1][1] 1.47
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.768
Anisotropic B[2][2] -1.562
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.093
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 1.163
c_angle_deg 1.2
c_mcangle_it 0.896
c_mcbond_it 0.557
c_bond_d 0.005
c_improper_angle_d 0.76
c_scbond_it 0.826
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Sigma A (Observed) 0.1
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.24
Luzzati Sigma A (R-Free Set) 0.15
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4110
Nucleic Acid Atoms 0
Heterogen Atoms 65
Solvent Atoms 317

Software

Software
Software Name Purpose
DENZO data reduction
SCALA data scaling
CNS refinement
CCP4 data scaling version: (SCALA)
CNS phasing