X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 7.7
Temperature 277.0
Details (NH4)2SO4, Tris, pH 7.7, vapor diffusion, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.29 α = 90
b = 41.44 β = 104.56
c = 71.97 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2005-11-10
Diffraction Radiation
Monochromator Protocol
-- --
Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --
SYNCHROTRON ALS BEAMLINE 5.0.2 1.1 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
1.2 70 98.8 0.076 -- -- 3.3 -- 74655 -- -- 12.58
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)
1.2 1.24 95.3 0.27 -- 2.57 2.2 7174

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
AB INITIO 1.2 70.0 -- 0.0 -- 73136 1502 96.0 0.13 0.132 -- 0.165 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 1.2 1.28 9878 212 -- 0.425 0.435 0.03 79.6
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.83
RMS Deviations
Key Refinement Restraint Deviation
s_anti_bump_dis_restr 0.075
s_bond_d 0.013
s_zero_chiral_vol 0.08
s_similar_dist 0.0
s_non_zero_chiral_vol 0.079
s_similar_adp_cmpnt 0.053
s_angle_d 0.03
s_rigid_bond_adp_cmpnt 0.004
s_from_restr_planes 0.03
s_approx_iso_adps 0.092
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Luzzati Sigma A (Observed) 0.27
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.28
Luzzati Sigma A (R-Free Set) 0.29
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2060
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 273

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS refinement
PDB_EXTRACT data extraction version: 2.000
Blu-Ice data collection
HKL-2000 data reduction
HKL-2000 data scaling
PHASER phasing
SHELXL-97 refinement