X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 18 % PEG 3350, 180 MM NA2SO4, 100 MM BIS-TRIS PROPANE PH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 67.47 α = 90
b = 80.08 β = 93.2
c = 134.04 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2004-09-30
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- ESRF ID14-2

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
2.4 50 97.9 0.1 -- -- 3.45 -- 55263 -- 1.8 --
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)
2.4 2.52 90.4 0.4 -- 1.8 2.98 --

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 2.4 19.8 -- -- -- 51866 2783 97.8 -- 0.201 0.198 0.25 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 2.4 2.46 -- 172 3175 0.296 0.365 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 31.99
Anisotropic B[1][1] -0.11
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.02
Anisotropic B[2][2] 0.05
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.06
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 1.824
r_scbond_it 1.148
r_mcangle_it 0.811
r_mcbond_it 0.489
r_nbd_refined 0.223
r_gen_planes_refined 0.005
r_chiral_restr 0.09
r_dihedral_angle_4_deg 19.245
r_dihedral_angle_3_deg 17.156
r_dihedral_angle_2_deg 39.057
r_dihedral_angle_1_deg 7.205
r_angle_refined_deg 1.532
r_bond_refined_d 0.012
r_nbtor_refined 0.308
r_xyhbond_nbd_refined 0.158
r_symmetry_vdw_refined 0.445
r_symmetry_hbond_refined 0.124
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8750
Nucleic Acid Atoms 0
Heterogen Atoms 25
Solvent Atoms 235

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
AMORE Structure Solution
REFMAC 5.2.0005 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0005 refinement
AMORE model building