X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.5
Temperature 295.0
Details PEG4000, sodium cacodylate, sodium chloride, zinc acetate, dioxane, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.48 α = 90
b = 63.32 β = 90
c = 75.46 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 210 -- 2001-09-23
Diffraction Radiation
Monochromator Protocol
Si(111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 0.9793, 0.9795, 0.9664, 0.9832 APS 17-ID

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
0.99 19.45 94.2 -- 0.063 -- 4.76 206507 206417 -- 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)
0.99 1.0 55.7 -- 0.3486 2.4 0.87 3599

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
MAD 0.99 15.0 -- 0.0 107935 107935 5403 95.0 0.1087 0.1087 0.1078 0.1319 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.107
s_similar_adp_cmpnt 0.049
s_rigid_bond_adp_cmpnt 0.006
s_anti_bump_dis_restr 0.036
s_non_zero_chiral_vol 0.11
s_zero_chiral_vol 0.094
s_from_restr_planes 0.0269
s_similar_dist 0.0
s_angle_d 0.032
s_bond_d 0.014
Coordinate Error
Parameter Value
Number Disordered Residues 25.0
Occupancy Sum Hydrogen 1497.0
Occupancy Sum Non Hydrogen 1916.09
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1579
Nucleic Acid Atoms 0
Heterogen Atoms 38
Solvent Atoms 329

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK, XPREP Data Reduction (data scaling)
SOLVE, RESOLVE, CNS, SHELX Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
SHELX model building
CNS model building
RESOLVE model building
SOLVE model building
XPREP data reduction
Scalepack data reduction
DENZO data collection