X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Micro Batch
pH 7.6
Temperature 18.0
Details PROTEIN WAS CRYSTALLIZED FROM 28 % PEG 400, 10MM MGCL 264MM TRIS/HCL, PH 7.6, pH 7.60, micro-batch, temperature 18K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.67 α = 90
b = 39.67 β = 90
c = 158.41 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS HI-STAR -- 1998-06-16
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
1.26 50 86.5 0.027 -- -- 3.0 -- 35100 0.0 0.0 9.6
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)
1.26 1.35 58.8 0.116 -- 6.7 2.0 4521

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 1.26 10.0 0.0 0.0 32126 32126 1711 86.5 0.177 0.172 0.172 0.224 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.0
s_similar_adp_cmpnt 0.0
s_rigid_bond_adp_cmpnt 0.0
s_anti_bump_dis_restr 0.06
s_non_zero_chiral_vol 0.0
s_zero_chiral_vol 0.0
s_from_restr_planes 0.0
s_similar_dist 0.0
s_angle_d 2.29
s_bond_d 0.01
Coordinate Error
Parameter Value
Number Disordered Residues 1.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 1603.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1322
Nucleic Acid Atoms 0
Heterogen Atoms 33
Solvent Atoms 247

Software

Computing
Computing Package Purpose
FRAMBO Data Reduction (intensity integration)
XDS, XSCALE Data Reduction (data scaling)
X-PLOR Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
XPLOR model building