X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.8
Temperature 298.0
Details PEG 8000, SODIUM PHOSPHATE, pH 6.80, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.9 α = 90
b = 66.76 β = 90
c = 100.01 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 MIRRORS 2001-03-16
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12B 0.9999 NSLS X12B

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
1.12 50 96.6 0.041 -- -- 5.5 701505 127013 0.0 2.0 --
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)
1.12 1.16 75.1 0.208 -- 3.0 2.0 --

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
FOURIER SYNTHESIS 1.12 10.0 -- 0.0 123545 123545 6231 94.2 0.1143 0.1128 0.1143 0.14 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.094
s_similar_adp_cmpnt 0.031
s_rigid_bond_adp_cmpnt 0.006
s_anti_bump_dis_restr 0.03
s_non_zero_chiral_vol 0.097
s_zero_chiral_vol 0.087
s_from_restr_planes 0.0334
s_similar_dist 0.0
s_angle_d 0.029
s_bond_d 0.015
Coordinate Error
Parameter Value
Number Disordered Residues 24.0
Occupancy Sum Hydrogen 225.0
Occupancy Sum Non Hydrogen 3081.77
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2601
Nucleic Acid Atoms 0
Heterogen Atoms 51
Solvent Atoms 445

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