X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Details BATCH METHOD WITH ENZYME AT A CONCENTRATION OF 2 MG/ML IN 100 MM SODIUM ACETATE BUFFER AT PH 4.6 (MOEWS AND BUNN, 1970) CRYSTALS LEFT TO GROW FOLLOWING SLOW ADDITION OF AMMONIUM SULPHATE TO FINAL CONCENTRATION OF 0.35 G/ML (55% SATURATION).

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.72 α = 90
b = 74.66 β = 97.27
c = 42.55 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 -- 1999-06-15
Diffraction Radiation
Monochromator Protocol
-- 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
0.91 42.3 99.4 0.109 -- -- 4.7 -- 186749 -- -- --
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)
0.91 0.96 99.4 0.503 -- 3.0 3.4 --

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 0.9 100.0 -- 0.0 186749 -- 9383 99.4 -- 0.121 -- 0.147 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.081
s_similar_adp_cmpnt 0.03
s_rigid_bond_adp_cmpnt 0.006
s_anti_bump_dis_restr 0.121
s_non_zero_chiral_vol 0.1
s_zero_chiral_vol 0.085
s_from_restr_planes 0.032
s_similar_dist 0.0
s_angle_d 0.029
s_bond_d 0.015
Coordinate Error
Parameter Value
Number Disordered Residues 34.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2388
Nucleic Acid Atoms 0
Heterogen Atoms 45
Solvent Atoms 609

Software

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