X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.9
Details PROTEIN WAS CRYSTALLIZED FROM AMMONIUM SULPHATE, 0.1 M POTASSIUM PHOSPHATE., pH 5.9

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 35.15 α = 90
b = 31.04 β = 105.58
c = 64.59 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
1.15 20 85.9 0.062 -- -- 4.2 -- 41207 -- -- --
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)
1.15 1.2 66.1 0.31 -- 2.7 2.7 --

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 1.15 12.0 -- 0.0 41190 -- -- 85.9 -- 0.114 -- -- --
RMS Deviations
Key Refinement Restraint Deviation
s_similar_dist 0.015
s_approx_iso_adps 0.106
s_anti_bump_dis_restr 0.02
s_zero_chiral_vol 0.063
s_non_zero_chiral_vol 0.088
s_similar_adp_cmpnt 0.091
s_bond_d 0.014
s_angle_d 0.031
s_rigid_bond_adp_cmpnt 0.005
Coordinate Error
Parameter Value
Number Disordered Residues 52.0
Occupancy Sum Hydrogen 1178.7
Occupancy Sum Non Hydrogen 1453.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1343
Nucleic Acid Atoms 0
Heterogen Atoms 62
Solvent Atoms 226

Software

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