X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
Temperature 291.0
Details 0.1M Hepes pH 6.5, 50mM K2HPO4, 5% MPD, 7.5-10% PEG8K, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 255.13 α = 90
b = 142.77 β = 99.49
c = 62.03 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 105
2 105
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 mirrors 2005-12-05
CCD ADSC QUANTUM 315 mirrors 2005-12-05
Diffraction Radiation
Monochromator Protocol
Double crystal, Si(111) SINGLE WAVELENGTH
Double crystal, Si(111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 8.2.2 -- ALS 8.2.2
SYNCHROTRON ALS BEAMLINE 8.2.2 0.97965, 0.97983, 0.96441 ALS 8.2.2

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
1.94 62.9 91.1 0.067 0.067 -- 4.4 -- 147021 1.14 2.8 --

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 1.94 62.9 -- -- -- 139653 7366 91.08 -- 0.17528 0.17431 0.19397 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 1.94 1.99 -- 337 6334 0.247 0.28 -- 56.1
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.116
Anisotropic B[1][1] -2.33
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.47
Anisotropic B[2][2] 0.16
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.02
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 1.971
r_scbond_it 1.276
r_mcangle_it 0.708
r_mcbond_it 0.451
r_nbd_refined 0.182
r_gen_planes_refined 0.004
r_chiral_restr 0.083
r_dihedral_angle_4_deg 18.194
r_dihedral_angle_3_deg 12.498
r_dihedral_angle_2_deg 32.182
r_dihedral_angle_1_deg 6.582
r_angle_refined_deg 1.154
r_bond_refined_d 0.008
r_nbtor_refined 0.299
r_xyhbond_nbd_refined 0.103
r_symmetry_vdw_refined 0.168
r_symmetry_hbond_refined 0.123
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9600
Nucleic Acid Atoms 0
Heterogen Atoms 115
Solvent Atoms 631

Software

Computing
Computing Package Purpose
ADSC QUANTUM Data Collection
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SHELXS Structure Solution
REFMAC 5.2.0019 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0019 refinement