X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 293.0
Details 12% isopropanol, 14% PEG 4K, 0.1M Na-citrate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.09 α = 90
b = 74.09 β = 90
c = 331.86 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 95
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRANDEIS - B4 -- 2001-07-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 1.1 NSLS X25

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
1.65 40 98.9 0.079 -- -- 10.0 -- 111221 -- -- --
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)
1.65 1.68 91.0 0.452 -- -- 10.0 4995

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 1.65 40.0 -- 0.0 111221 111221 5353 98.9 0.1853 -- 0.1851 0.2285 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.0
s_similar_adp_cmpnt 0.063
s_rigid_bond_adp_cmpnt 0.0
s_anti_bump_dis_restr 0.01
s_non_zero_chiral_vol 0.053
s_zero_chiral_vol 0.042
s_from_restr_planes 0.0262
s_similar_dist 0.0
s_angle_d 0.024
s_bond_d 0.011
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.15
Number Disordered Residues 44.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 6237.05
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5510
Nucleic Acid Atoms 0
Heterogen Atoms 79
Solvent Atoms 656

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
CNS model building
SCALEPACK data reduction
DENZO data collection