X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 1.8M LITHIUM SULPHATE, 100MM TRIS/HCL (PH8.5), (5MM FERROUS SULPHATE, 70 MM ACVG, 50MG/ML IPNS), pH 7.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 46.74 α = 90
b = 70.97 β = 90
c = 101.01 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
IMAGE PLATE MARRESEARCH -- 1998-04-04
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX7.2 -- SRS PX7.2

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
1.6 41.17 95.2 0.074 -- -- 2.4 -- 42669 -- -- --
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)
1.6 1.69 94.2 0.338 -- 1.9 2.4 --

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 1.6 38.0 -- -- -- 40955 1683 94.5 -- 0.153 0.151 0.178 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 1.6 1.64 -- 120 2931 0.235 0.268 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 11.97
Anisotropic B[1][1] -0.13
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.86
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.73
RMS Deviations
Key Refinement Restraint Deviation
r_symmetry_hbond_refined 0.226
r_chiral_restr 0.095
r_angle_refined_deg 1.475
r_nbd_refined 0.208
r_gen_planes_other 0.006
r_nbd_other 0.245
r_symmetry_vdw_refined 0.111
r_gen_planes_refined 0.008
r_bond_refined_d 0.013
r_scbond_it 2.619
r_mcangle_it 1.547
r_bond_other_d 0.002
r_mcbond_it 0.865
r_scangle_it 4.239
r_xyhbond_nbd_refined 0.151
r_dihedral_angle_1_deg 6.328
r_angle_other_deg 0.839
r_nbtor_other 0.083
r_symmetry_vdw_other 0.258
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2583
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 395

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.24
MOSFLM data reduction
SCALA data scaling