X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.2
Temperature 277.0
Details 20% PEG 4000, 10% ISOPROPANOL, 100 MM CITRATE PH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 66.56 α = 90
b = 66.56 β = 90
c = 78.36 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 95
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-03-21
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B -- NSLS X9B

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 20 97.1 0.06 -- -- 6.4 53915 53856 -3.0 -- 18.4
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 1.22 90.4 -- -- -- 4.2 --

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 10.0 -- 0.0 53856 53856 1077 97.1 0.146 0.146 0.147 0.15 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_non_zero_chiral_vol 0.084
s_similar_adp_cmpnt 0.049
s_rigid_bond_adp_cmpnt 0.005
s_bond_d 0.02
s_zero_chiral_vol 0.074
s_angle_d 0.029
s_from_restr_planes 0.343
s_approx_iso_adps 0.081
s_similar_dist 0.02
Coordinate Error
Parameter Value
Number Disordered Residues 1.0
Occupancy Sum Hydrogen 939.0
Occupancy Sum Non Hydrogen 1218.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1072
Nucleic Acid Atoms 0
Heterogen Atoms 18
Solvent Atoms 211

Software

Software
Software Name Purpose
X-PLOR model building
SHELXL-97 refinement
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing