X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.2
Details 25 % PEG 4000, 0.1 M SODIUM ACETATE [PH 4.2], 0.3 M AMMONIUM ACETATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 35.26 α = 90
b = 58.94 β = 102.33
c = 36.44 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
IMAGE PLATE (RAXIS 4) RIGAKU MIRRORS 2003-09-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU MICROMAX-007 -- -- --

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
1.45 30 99.7 0.05 -- -- 2.9 -- 25810 -- 2.0 --
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)
1.45 1.5 100.0 0.37 -- 2.5 2.7 --

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 1.45 25.0 -- -- -- 25241 545 99.7 -- 0.183 0.182 0.236 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 1.45 1.49 -- 44 1834 0.339 0.308 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.94
Anisotropic B[1][1] 1.58
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.06
Anisotropic B[2][2] -0.83
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.73
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 4.923
r_scbond_it 3.614
r_mcangle_it 2.305
r_mcbond_other 0.745
r_mcbond_it 1.727
r_nbd_refined 0.221
r_gen_planes_other 0.001
r_gen_planes_refined 0.008
r_chiral_restr 0.109
r_dihedral_angle_4_deg 17.708
r_dihedral_angle_3_deg 13.71
r_dihedral_angle_2_deg 34.693
r_dihedral_angle_1_deg 6.622
r_angle_other_deg 0.86
r_angle_refined_deg 1.703
r_bond_other_d 0.002
r_bond_refined_d 0.016
r_nbd_other 0.2
r_nbtor_refined 0.181
r_nbtor_other 0.107
r_xyhbond_nbd_refined 0.159
r_symmetry_vdw_refined 0.166
r_symmetry_vdw_other 0.24
r_symmetry_hbond_refined 0.274
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1194
Nucleic Acid Atoms 0
Heterogen Atoms 33
Solvent Atoms 163

Software

Computing
Computing Package Purpose
CRYSTALCLEAR Data Reduction (intensity integration)
D*TREK Data Reduction (data scaling)
CNS Structure Solution
REFMAC 5.2.0003 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0003 refinement
CNS model building