X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.6
Temperature 277.0
Details 0.200000000M (NH4)2Tartrate, 20.000000000% PEG-3350, No Buffer pH 6.6, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 124.07 α = 90
b = 124.07 β = 90
c = 66.89 γ = 120
Symmetry
Space Group P 3 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 325 mm CCD Flat mirror (vertical focusing) 2010-04-07
Diffraction Radiation
Monochromator Protocol
Single crystal Si(111) bent monochromator (horizontal focusing) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL11-1 0.91837,0.97937,0.97908 SSRL BL11-1

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
2.61 29.8 99.9 -- 0.158 -- 11.7 -- 18340 -- -- --

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 2.61 29.801 -- 0.0 -- 18334 940 99.87 -- 0.2 0.198 0.236 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 2.61 2.678 -- 81 1260 0.387 0.469 -- 99.78
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 51.264
Anisotropic B[1][1] 0.83
Anisotropic B[1][2] 0.42
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.83
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.25
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_3_deg 12.664
r_dihedral_angle_4_deg 17.688
r_mcangle_it 3.578
r_gen_planes_other 0.001
r_bond_other_d 0.001
r_mcbond_it 1.868
r_scangle_it 8.114
r_mcbond_other 0.325
r_angle_other_deg 0.616
r_chiral_restr 0.064
r_bond_refined_d 0.015
r_angle_refined_deg 0.917
r_dihedral_angle_1_deg 5.14
r_dihedral_angle_2_deg 29.494
r_gen_planes_refined 0.007
r_scbond_it 5.28
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2457
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 79

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0110
PHENIX refinement
SOLVE phasing
MolProbity model building version: 3beta29
SCALA data scaling version: 3.3.15
PDB_EXTRACT data extraction version: 3.006
MOSFLM data reduction