X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.7
Details CRYSTALLIZED FROM AMMONIUM SULFATE SOLUTION, pH 6.7

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 75.05 α = 90
b = 31.77 β = 123.41
c = 62.82 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 290
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS-NICOLET X100 -- 1993
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
2.3 28.3 94.1 0.041 -- -- 1.28 -- 8076 -- 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
MR 2.0 8.0 -- 2.0 -- 7591 -- 90.1 -- -- 0.191 -- --
RMS Deviations
Key Refinement Restraint Deviation
p_mcbond_it 1.495
p_transverse_tor 37.7
p_xyhbond_nbd 0.191
p_mcangle_it 2.539
p_planar_d 0.042
p_singtor_nbd 0.194
p_chiral_restr 0.147
p_bond_d 0.013
p_multtor_nbd 0.193
p_staggered_tor 17.3
p_plane_restr 0.01
p_scbond_it 2.335
p_angle_d 0.031
p_angle_deg 2.64
p_planar_tor 1.4
p_scangle_it 3.694
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1046
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 47

Software

Software
Software Name Purpose
X-PLOR model building
PROFFT refinement
X-PLOR refinement
XDS data reduction
XSCALE data scaling
X-PLOR phasing