X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop Nanodrop
pH 3.7
Temperature 277.0
Details 30.0% MPD, 0.1M Phosphate Citrate pH 3.7, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.07 α = 90
b = 56.67 β = 90
c = 98.53 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC fixed-height exit beam, toroidal focusing mirror 2004-11-10
Diffraction Radiation
Monochromator Protocol
Double-crystal Si(111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 0.979508,0.961114 ALS 5.0.2
SYNCHROTRON ALS BEAMLINE 5.0.2 -- ALS 5.0.2

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
2.05 27.23 97.8 -- 0.075 -- 3.5 -- 8735 -- -- 47.8
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)
2.05 2.1 85.4 -- 0.365 1.7 2.8 562

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 2.05 24.59 -- -- -- 8281 422 97.47 -- 0.22092 0.21848 0.27545 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 2.051 2.104 -- 37 519 0.302 0.4 -- 84.89
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 43.776
Anisotropic B[1][1] 4.76
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.74
RMS Deviations
Key Refinement Restraint Deviation
r_angle_other_deg 0.775
r_dihedral_angle_3_deg 15.803
r_gen_planes_other 0.001
r_mcbond_other 0.615
r_chiral_restr 0.09
r_gen_planes_refined 0.005
r_bond_other_d 0.002
r_symmetry_vdw_refined 0.235
r_nbd_refined 0.192
r_symmetry_vdw_other 0.209
r_scbond_it 5.515
r_dihedral_angle_2_deg 37.225
r_mcbond_it 2.23
r_xyhbond_nbd_refined 0.138
r_scangle_it 8.061
r_angle_refined_deg 1.568
r_symmetry_hbond_refined 0.09
r_dihedral_angle_1_deg 7.227
r_nbd_other 0.199
r_bond_refined_d 0.017
r_mcangle_it 3.085
r_dihedral_angle_4_deg 21.452
r_nbtor_other 0.09
r_nbtor_refined 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 868
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 23

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling version: 4.2)
SOLVE phasing
REFMAC refinement
CCP4 data scaling version: (SCALA)