X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 5-7% PEG 5K MME, 250MM NACL, 5MM CACL2,1MM CUCL2,0.1M NA-CACODYLATE PH 6.5; HANGING-DROP VAPOUR DIFFUSION + SEEDING

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 70.57 α = 90
b = 118.96 β = 90
c = 90.18 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- -- 2002-05-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 -- ESRF BM14

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
2.19 25 99.7 0.073 -- -- 5.4 -- 39556 -- -- --
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)
2.19 2.27 97.6 0.36 -- 3.2 -- --

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 2.19 25.0 -- -- -- 37532 1983 99.5 -- 0.188 0.186 0.226 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 2.19 2.25 -- 136 2556 0.249 0.306 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.59
Anisotropic B[1][1] -2.38
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.25
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.87
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.005
r_bond_other_d 0.003
r_symmetry_vdw_other 0.182
r_scangle_it 2.828
r_nbd_refined 0.229
r_nbd_other 0.231
r_metal_ion_refined 0.108
r_symmetry_hbond_refined 0.215
r_gen_planes_other 0.004
r_nbtor_other 0.093
r_scbond_it 1.72
r_mcbond_it 0.513
r_chiral_restr 0.086
r_mcangle_it 0.959
r_dihedral_angle_1_deg 5.636
r_angle_other_deg 0.999
r_bond_refined_d 0.014
r_xyhbond_nbd_refined 0.193
r_angle_refined_deg 1.353
r_symmetry_vdw_refined 0.124
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4192
Nucleic Acid Atoms 0
Heterogen Atoms 18
Solvent Atoms 370

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.24
DENZO data reduction
SCALEPACK data scaling
MOLREP phasing