X-RAY DIFFRACTION Experimental Data & Validation


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Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 278.0
Details zinc sulfate, PEG MME 550, MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 278K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 70.45 α = 90
b = 101.14 β = 90
c = 143.08 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 mirrors 2001-06-07
CCD ADSC QUANTUM 4 mirrors 2001-06-07
Diffraction Radiation
Monochromator Protocol
mirrors SINGLE WAVELENGTH
mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C 1.2811 NSLS X8C
SYNCHROTRON NSLS BEAMLINE X12B 1.0000 NSLS X12B

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
1.4 50 94.7 0.048 -- -- 6.91 95234 95234 0.0 -3.0 13.05
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)
1.4 1.45 85.1 0.426 -- 2.62 -- 8434

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
SAD 1.4 10.0 -- 0.0 94875 91976 2899 93.9 0.1474 0.1463 0.1463 0.2121 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.083
s_similar_adp_cmpnt 0.053
s_rigid_bond_adp_cmpnt 0.004
s_anti_bump_dis_restr 0.015
s_non_zero_chiral_vol 0.071
s_zero_chiral_vol 0.055
s_from_restr_planes 0.0303
s_similar_dist 0.0
s_angle_d 0.028
s_bond_d 0.011
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.176
Luzzati Sigma A (Observed) 0.1268
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.198
Luzzati Sigma A (R-Free Set) 0.1073
Number Disordered Residues 0.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 3936.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3180
Nucleic Acid Atoms 0
Heterogen Atoms 21
Solvent Atoms 736

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
SHELX model building