X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 23.0
Details PEG 400, tris-HCl, sodium citrate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 23K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 75.31 α = 90
b = 75.31 β = 90
c = 75.42 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 CONICAL SI MIRROR 2002-08-29
Diffraction Radiation
Monochromator Protocol
BENT GE(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 14-BM-C 0.9 APS 14-BM-C

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
1.1 33 99.3 0.054 -- -- 6.1 99689 99689 0.0 0.0 --
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)
1.1 1.14 95.8 0.542 -- 2.6 3.3 9597

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
AB INITIO PHASING 1.1 33.0 0.0 0.0 99689 99689 4714 99.4 0.1393 0.1393 0.1393 0.1609 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_similar_dist 0.0
s_angle_d 0.032
s_zero_chiral_vol 0.084
s_rigid_bond_adp_cmpnt 0.006
s_from_restr_planes 0.031
s_approx_iso_adps 0.103
s_anti_bump_dis_restr 0.075
s_bond_d 0.014
s_non_zero_chiral_vol 0.1
s_similar_adp_cmpnt 0.047
Coordinate Error
Parameter Value
Number Disordered Residues 18.0
Occupancy Sum Hydrogen 1392.6
Occupancy Sum Non Hydrogen 1551.6
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1370
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 252

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing
RESOLVE model building
SHELX model building
SHELXL-97 refinement
RESOLVE phasing