X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.7
Details FREE LIQUID DIFFUSION METHOD USED. THE PROTEIN WAS CRYSTALLIZED FROM 50% ISOPROPANOL, 0.05 M AMMONIUM ACETATE, PH 5.7, CONC.=10 MG/ML

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.31 α = 90
b = 37.47 β = 94.55
c = 44.92 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH BENT MIRROR 1996-12-15
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B -- EMBL/DESY, HAMBURG BW7B

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
0.87 61 96.6 0.053 -- -- 3.1 -- 160386 -- -- --
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)
0.87 0.88 68.8 0.104 -- 6.4 1.35 --

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 0.87 61.0 -- 0.0 160386 -- 16018 96.6 0.1013 0.1009 -- 0.1198 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.095
s_similar_adp_cmpnt 0.037
s_rigid_bond_adp_cmpnt 0.012
s_anti_bump_dis_restr 0.2
s_non_zero_chiral_vol 0.152
s_zero_chiral_vol 0.138
s_from_restr_planes 0.021
s_angle_d 0.038
s_bond_d 0.02
Coordinate Error
Parameter Value
Number Disordered Residues 38.0
Occupancy Sum Hydrogen 1776.33
Occupancy Sum Non Hydrogen 2287.34
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1894
Nucleic Acid Atoms 0
Heterogen Atoms 63
Solvent Atoms 381

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