X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 4.5
Temperature 293.0
Details MPD, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 56.9 α = 90
b = 56.9 β = 90
c = 170.8 γ = 90
Symmetry
Space Group I 41 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1999-01-29
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 0.98 SSRL BL9-1

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
1.66 50 98.8 0.068 -- -- 14.0 17197 17197 -- -3.0 --
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)
1.66 1.68 81.4 0.495 -- 3.2 -- 689

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
isomorphous 1.66 20.0 -- 0.0 17174 17174 1717 99.8 0.1446 0.1446 0.1335 0.1953 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.077
s_similar_adp_cmpnt 0.024
s_rigid_bond_adp_cmpnt 0.002
s_anti_bump_dis_restr 0.024
s_non_zero_chiral_vol 0.055
s_zero_chiral_vol 0.042
s_from_restr_planes 0.03
s_similar_dist 0.0
s_angle_d 0.03
s_bond_d 0.009
Coordinate Error
Parameter Value
Number Disordered Residues 3.0
Occupancy Sum Hydrogen 877.0
Occupancy Sum Non Hydrogen 1038.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 941
Nucleic Acid Atoms 0
Heterogen Atoms 16
Solvent Atoms 89

Software

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