X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.4
Details BUFFER: 10MM HEPES PH 7.0, 100MM NACL. 1.1 TO 1.25M AMMONIUM SULPHATE, 0.7 TO 0.85MM KCL.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 73.75 α = 90
b = 134.22 β = 90
c = 148.24 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH SX-165 -- --
Diffraction Radiation
Monochromator Protocol
-- 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
2.5 22.04 95.0 0.08 -- -- 2.0 -- 46010 -- 1.5 --
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)
2.55 2.69 89.3 0.52 -- 1.7 -- --

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 2.6 22.04 -- -- -- 41401 2214 94.9 -- 0.23 0.226 0.296 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 2.6 2.67 -- 132 2832 0.374 0.401 -- 89.52
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 45.71
Anisotropic B[1][1] -0.34
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.18
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.16
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.006
r_angle_refined_deg 1.702
r_nbd_refined 0.241
r_nbtor_refined 0.319
r_dihedral_angle_1_deg 7.391
r_symmetry_hbond_refined 0.415
r_scangle_it 3.232
r_mcbond_it 0.876
r_dihedral_angle_4_deg 19.899
r_dihedral_angle_3_deg 18.329
r_xyhbond_nbd_refined 0.162
r_chiral_restr 0.116
r_mcangle_it 1.529
r_scbond_it 2.073
r_dihedral_angle_2_deg 39.419
r_bond_refined_d 0.015
r_symmetry_vdw_refined 0.241
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8747
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 107

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0019
MOSFLM data reduction
SCALA data scaling
MOLREP phasing