X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5.5
Temperature 297.5
Details 21.5% (W/V) MPEG 5000 IN 0.1 M NAOAC AT PH 5.5 MIXED 1:1 WITH 20MG/ML PROTEIN, VAPOR DIFFUSION, SITTING DROP, temperature 297.5K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.26 α = 88.02
b = 43.35 β = 79.1
c = 59.5 γ = 89.92
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1997-02-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE SIEMENS -- -- --

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
2.1 50 89.7 -- 0.094 -- 2.2 -- 20181 -- -- 16.9
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)
2.1 2.23 85.8 -- 0.434 2.83 2.0 --

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 2.1 40.0 -- -- -- 20181 2002 89.7 -- 0.188 0.188 0.238 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 2.1 2.23 -- 316 2899 0.25 0.313 0.018 85.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 29.9
Anisotropic B[1][1] 7.1
Anisotropic B[1][2] 3.05
Anisotropic B[1][3] 1.77
Anisotropic B[2][2] 1.82
Anisotropic B[2][3] 1.7
Anisotropic B[3][3] -8.92
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.37
c_scangle_it 2.88
c_scbond_it 2.0
c_angle_deg 2.0
c_bond_d 0.012
c_dihedral_angle_d 27.0
c_improper_angle_d 1.11
c_mcbond_it 1.42
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.24
Luzzati Sigma A (Observed) 0.21
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.31
Luzzati Sigma A (R-Free Set) 0.29
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3270
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 169

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
MERLOT phasing
AMoRE phasing
CNS refinement version: 0.3