X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.3
Details 50MM NACL, 9MM MGCL2, 0.25 MM SPERMINE, 0.25% N-OCTYL-BETA-D-GLUCOPYRANOSIDE, 50MM TRIS-CL PH 7.3, 1% PEG600

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 98.37 α = 90
b = 128.24 β = 90
c = 66.65 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH TOROIDAL MIRROR 1996-09-15
Diffraction Radiation
Monochromator Protocol
DOUBLE SI (111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ELETTRA BEAMLINE 5.2R -- ELETTRA 5.2R

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
2.38 25.9 94.7 0.061 0.061 -- 4.2 -- 32587 -- 6.0 59.0
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)
2.38 2.51 95.0 0.236 0.236 3.0 2.5 --

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
SIR 2.38 15.0 -- 0.0 32138 32138 1647 95.8 -- -- 0.282 0.328 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 55.0
Anisotropic B[1][1] 0.3
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -3.2
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.5
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 21.9
p_staggered_tor 20.0
p_planar_tor 1.2
p_multtor_nbd 0.253
p_bond_d 0.01
p_angle_d 0.033
p_planar_d 0.033
p_mcbond_it 2.6
p_mcangle_it 3.9
p_scbond_it 3.4
p_scangle_it 4.9
p_plane_restr 0.0018
p_chiral_restr 0.113
p_singtor_nbd 0.189
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4182
Nucleic Acid Atoms 1006
Heterogen Atoms 0
Solvent Atoms 0

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SHARP Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
SHARP model building
SCALA data reduction
MOSFLM data collection