X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details PROTEIN WAS CRYSTALLIZED FROM AMMONIUM SULPHATE, 0.1 M POTASSIUM PHOSPHATE, pH 6.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 34.83 α = 90
b = 30.92 β = 105.5
c = 64.57 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 287
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 300 mm plate MIRRORS 1997-04-01
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 -- MPG/DESY, HAMBURG BW6

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 60 99.4 0.048 -- -- 10.2 -- 41547 -- -- --
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 1.22 100.0 0.282 -- 6.6 3.8 --

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
MOLECULAR REPLACEMENT 1.2 12.0 -- 0.0 41485 -- -- 99.4 -- 0.091 -- -- --
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.104
s_similar_adp_cmpnt 0.048
s_similar_dist 0.014
s_angle_d 0.032
s_anti_bump_dis_restr 0.02
s_zero_chiral_vol 0.074
s_non_zero_chiral_vol 0.107
s_rigid_bond_adp_cmpnt 0.012
s_bond_d 0.015
Coordinate Error
Parameter Value
Number Disordered Residues 81.0
Occupancy Sum Hydrogen 1034.6
Occupancy Sum Non Hydrogen 1436.8
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1400
Nucleic Acid Atoms 0
Heterogen Atoms 68
Solvent Atoms 223

Software

Software
Software Name Purpose
SHELXL-96 refinement
DENZO data reduction
SCALEPACK data scaling