X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 288.0
Details 1.8M Ammonium-sulfate, 0.1M sodium-citrate pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 288K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 76.03 α = 90
b = 76.03 β = 90
c = 164.93 γ = 90
Symmetry
Space Group P 43 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-02-26
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X26C -- NSLS X26C

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
1.42 40 95.2 -- 0.083 -- 5.5 -- 86586 -- -- --
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)
1.42 1.44 71.4 -- 0.375 -- 2.0 3191

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
-- 1.42 10.0 -- 0.0 76108 76108 8521 95.2 -- -- 0.1646 0.2026 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 1.42 1.44 -- 8521 -- 0.164 0.202 -- --
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.092
s_similar_adp_cmpnt 0.039
s_rigid_bond_adp_cmpnt 0.004
s_anti_bump_dis_restr 0.022
s_non_zero_chiral_vol 0.07
s_zero_chiral_vol 0.06
s_from_restr_planes 0.0255
s_similar_dist 0.0
s_angle_d 0.035
s_bond_d 0.014
Coordinate Error
Parameter Value
Number Disordered Residues 338.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 2830.41
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2040
Nucleic Acid Atoms 381
Heterogen Atoms 16
Solvent Atoms 397

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