X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 4.6
Temperature 277.0
Details VAPOUR DIFFUSION AL 4 C FROM A PROTEIN SOLUTION CONTAINING 8 MG/ML IN 50 MM POTASSIUM PHOSPHATE BUFFER AL PH 7, USING 2 M AMMONIUM SULFATE IN 100 MM SODIUM ACETATE BUFFER, PH 4.6, vapor diffusion, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 52.8 α = 90
b = 52.8 β = 90
c = 158.2 γ = 120
Symmetry
Space Group P 61 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH BENT CRYSTAL MONOCHROMATOR 1996-08-28
Diffraction Radiation
Monochromator Protocol
GE(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7A -- EMBL/DESY, HAMBURG BW7A

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
2.8 75 97.0 0.104 0.088 -- 10.7 -- 3549 -- -- --
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)
2.8 2.85 97.8 0.376 0.43 2.7 5.0 --

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 2.8 75.0 -- 0.0 3528 -- 340 97.0 0.28 0.2543 -- 0.4152 EVERY 10TH REFLECTION
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.0
s_similar_adp_cmpnt 0.016
s_rigid_bond_adp_cmpnt 0.0
s_anti_bump_dis_restr 0.01
s_non_zero_chiral_vol 0.061
s_zero_chiral_vol 0.053
s_from_restr_planes 0.041
s_similar_dist 0.0
s_angle_d 0.017
s_bond_d 0.004
Coordinate Error
Parameter Value
Number Disordered Residues 0.0
Occupancy Sum Hydrogen 819.0
Occupancy Sum Non Hydrogen 857.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 840
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 17

Software

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