X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.6
Temperature 18.0
Details sodium acetate, sodium formate, p-aminobenzamidine, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 18K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 105.29 α = 90
b = 105.29 β = 90
c = 120.83 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1999-10-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX7.2 -- SRS PX7.2

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
2.1 30 93.7 0.068 -- -- 4.8 23810 20601 -- -3.0 40.2
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 2.2 92.9 0.298 -- -- 3.9 2710

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
-- 2.1 30.0 0.0 0.0 23810 20601 1120 91.7 -- 0.1996 0.1974 0.242 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 37.83
Anisotropic B[1][1] -2.0
Anisotropic B[1][2] -1.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.0
RMS Deviations
Key Refinement Restraint Deviation
p_scangle_it 5.388
p_scbond_it 3.424
p_mcangle_it 2.19
p_mcbond_it 1.276
p_plane_restr 0.01
p_chiral_restr 0.154
p_angle_d 2.242
p_bond_d 0.022
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2138
Nucleic Acid Atoms 0
Heterogen Atoms 80
Solvent Atoms 191

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
AMORE model building
SCALEPACK data reduction
DENZO data collection