X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details 0.2 M NACL, 0.05 M MES PH5.6, 2.5 M (NH4)2SO4, pH 5.60

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 101.09 α = 90
b = 101.09 β = 90
c = 76.12 γ = 90
Symmetry
Space Group I 4 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD TORROIDAL MIRROR 2001-02-16
Diffraction Radiation
Monochromator Protocol
SI (111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 -- ESRF ID29

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
1.9 60 99.9 0.08 -- -- 4.8 -- 15820 -- 0.0 --
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)
1.9 2.0 99.9 0.36 -- 3.29 3.5 --

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
MAD 1.9 60.8 -- -- -- 14490 1316 99.7 -- 0.197 0.192 0.251 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 1.9 1.95 -- 101 1048 0.215 0.297 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 25.5
Anisotropic B[1][1] 0.74
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.74
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.48
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 4.425
r_bond_other_d 0.001
r_nbd_other 0.199
r_dihedral_angle_4_deg 21.655
r_mcangle_it 1.994
r_symmetry_vdw_refined 0.217
r_symmetry_hbond_refined 0.335
r_angle_refined_deg 1.656
r_dihedral_angle_1_deg 6.497
r_angle_other_deg 0.834
r_gen_planes_other 0.001
r_symmetry_vdw_other 0.232
r_nbtor_other 0.094
r_dihedral_angle_2_deg 28.603
r_nbd_refined 0.244
r_gen_planes_refined 0.007
r_mcbond_it 1.352
r_scbond_it 2.977
r_bond_refined_d 0.018
r_dihedral_angle_3_deg 14.263
r_chiral_restr 0.107
r_nbtor_refined 0.186
r_xyhbond_nbd_refined 0.212
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1259
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 144

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0005
MOSFLM data reduction
SCALA data scaling
CCP4 phasing
SHARP phasing
SnB phasing