X-RAY DIFFRACTION Experimental Data & Validation


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Crystallization

Crystalization Experiments
pH 4.7
Details CRYSTALLIZED FROM 2-6% NACL, 0.2 M SODIUM ACETATE PH 4.7.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 76.93 α = 90
b = 76.93 β = 90
c = 37.21 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 BENT TORROIDAL MIRROR 1999-05-15
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
1.2 25 95.3 -- 0.061 -- 4.11 -- 34095 -- -3.0 --
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)
1.2 1.24 69.2 -- 0.176 4.3 2.89 --

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
OTHER 1.2 20.0 -- 0.0 34044 -- 1701 90.6 -- 0.1473 -- 0.188 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.066
s_similar_adp_cmpnt 0.039
s_rigid_bond_adp_cmpnt 0.004
s_anti_bump_dis_restr 0.185
s_non_zero_chiral_vol 0.072
s_zero_chiral_vol 0.066
s_from_restr_planes 0.028
s_similar_dist 0.0
s_angle_d 0.04
s_bond_d 0.029
Coordinate Error
Parameter Value
Number Disordered Residues 0.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 1170.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 999
Nucleic Acid Atoms 0
Heterogen Atoms 3
Solvent Atoms 180

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS, ARP/WARP Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
WARP model building
CNS model building
SCALEPACK data reduction
DENZO data collection