X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details PERUTZ, J.CRYST.GROWTH 2(1968)54-56, pH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 63.14 α = 90
b = 83.28 β = 99.07
c = 53.93 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC COLLIMATOR 1998-12-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE SIEMENS -- -- --

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
1.8 30 90.2 0.065 -- -- 2.91 -- 45959 -- -- --
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)
1.8 1.9 87.4 0.241 -- 4.42 2.86 --

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 1.8 8.0 -- 0.0 45496 -- 2156 90.2 0.189 0.1879 -- 0.2397 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_similar_dist 0.02
s_bond_d 0.011
s_angle_d 0.015
s_anti_bump_dis_restr 0.07
s_non_zero_chiral_vol 0.038
s_zero_chiral_vol 0.034
Coordinate Error
Parameter Value
Number Disordered Residues 0.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 4802.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4396
Nucleic Acid Atoms 0
Heterogen Atoms 172
Solvent Atoms 244

Software

Software
Software Name Purpose
XDS data scaling
XSCALE data scaling
SHELX model building
SHELXL-97 refinement
XDS data reduction
SHELX phasing