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_scangle_it 4.239
r_scbond_it 2.619
r_mcangle_it 1.547
r_mcbond_it 0.865
r_nbd_refined 0.208
r_gen_planes_other 0.006
r_gen_planes_refined 0.008
r_chiral_restr 0.095
r_dihedral_angle_1_deg 6.328
r_angle_other_deg 0.839
r_angle_refined_deg 1.475
r_bond_other_d 0.002
r_bond_refined_d 0.013
r_nbd_other 0.245
r_nbtor_other 0.083
r_xyhbond_nbd_refined 0.151
r_symmetry_vdw_refined 0.111
r_symmetry_vdw_other 0.258
r_symmetry_hbond_refined 0.226
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

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
RIGID BODY REFINEMENT Structure Solution
REFMAC 5.1.24 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.24 refinement
RIGID version: BODY REFINEMENT model building