X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details 19 MICROLITER SITTING DROPS 16-20% MPD, 30 MM MES, PH 6.0, 1 MM MNCL2, 0.5 MM NA2P2O7H2, 5 MM NAF,10 MG/ML PROTEIN

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.77 α = 90
b = 102.34 β = 90
c = 115.63 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-09-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X31 -- EMBL/DESY, Hamburg X31

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
1.9 20 97.6 0.081 -- -- 4.5 -- 53366 -- 2.0 1.9
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)
1.9 1.94 92.6 0.247 -- -- -- --

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 1.9 8.0 -- 2.0 -- 87817 3711 85.3 -- 0.155 0.155 0.182 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 1.9 2.02 -- 473 11514 0.179 0.201 0.009 69.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 10.8
Anisotropic B[1][1] 1.87
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.09
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.97
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 0.67
c_bond_d 0.007
c_dihedral_angle_d 24.2
c_scangle_it 3.46
c_mcangle_it 1.02
c_angle_deg 1.5
c_scbond_it 2.86
c_improper_angle_d 0.94
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.16
Luzzati Sigma A (Observed) 0.12
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.19
Luzzati Sigma A (R-Free Set) 0.13
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4475
Nucleic Acid Atoms 0
Heterogen Atoms 39
Solvent Atoms 648

Software

Software
Software Name Purpose
CNS refinement version: 0.5
HKL data reduction
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing