X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.75
Details 3.5 M AMMONIUM SULPHATE, 100MM NACL, 50MM ACETATE BUFFER PH 4.75

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 38.54 α = 90
b = 68.22 β = 105.14
c = 50.31 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 -- 2004-05-19
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.2 -- SRS PX14.2

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
1.15 21.5 99.6 0.12 -- -- 3.6 -- 88555 -- -- 12.0
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)
1.15 1.19 89.0 0.55 -- 2.2 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
OTHER 1.15 21.5 -- -- -- 88555 3458 97.5 -- 0.157 0.155 0.206 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 1.15 1.18 -- 259 5594 0.279 0.344 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 13.43
Anisotropic B[1][1] 0.55
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.56
Anisotropic B[2][2] -1.43
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.59
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 6.751
r_scbond_it 5.44
r_mcangle_it 4.114
r_mcbond_it 3.227
r_nbd_refined 0.369
r_gen_planes_other 0.004
r_gen_planes_refined 0.013
r_chiral_restr 0.155
r_dihedral_angle_4_deg 13.232
r_dihedral_angle_3_deg 14.21
r_dihedral_angle_2_deg 40.085
r_dihedral_angle_1_deg 10.812
r_angle_other_deg 2.583
r_angle_refined_deg 2.209
r_bond_other_d 0.002
r_bond_refined_d 0.023
r_nbd_other 0.259
r_nbtor_refined 0.169
r_nbtor_other 0.104
r_xyhbond_nbd_refined 0.28
r_symmetry_vdw_refined 0.298
r_symmetry_vdw_other 0.278
r_symmetry_hbond_refined 0.287
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2220
Nucleic Acid Atoms 0
Heterogen Atoms 23
Solvent Atoms 576

Software

Computing
Computing Package Purpose
HKL2000 Data Reduction (intensity integration)
HKL2000 Data Reduction (data scaling)
REFMAC 5.2.0005 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0005 refinement