X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details PEG 8000, CALCIUM ACETATE, METHANOL, MES, PH 6.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 62 α = 90
b = 100.16 β = 93.75
c = 133.92 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 105
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-07-04
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 -- SSRL BL9-1

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
2.47 47.14 95.7 0.12 -- -- 2.9 -- 56200 -- 0.0 53.4
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)
2.47 2.53 73.1 0.372 -- -- 1.6 --

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 2.47 47.1 -- 0.0 -- 56200 2845 95.1 -- 0.201 0.201 0.249 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 2.47 2.58 -- 285 5791 0.3172 0.3733 -- 79.17
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 43.46
Anisotropic B[1][1] -13.823
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 6.038
Anisotropic B[2][2] 3.648
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 10.175
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.64
c_scbond_it 1.82
c_mcangle_it 2.03
c_mcbond_it 1.22
c_bond_d 0.007
c_angle_deg 1.32
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11437
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 337

Software

Computing
Computing Package Purpose
MAR Data Reduction (intensity integration)
MOSFLM, CCP4 (SCALA) Data Reduction (data scaling)
AMORE Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
AMORE model building