X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.9
Details PROTEIN WAS CRYSTALLIZED FROM AMMONIUM SULPHATE, 0.1 M POTASSIUM PHOSPHATE, pH 5.9

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 34.91 α = 90
b = 31.04 β = 105.53
c = 64.73 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 287
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1998-04-01
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
1.15 20 96.3 0.052 -- -- 4.4 -- 46002 -- -- --
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)
1.15 1.2 95.3 0.28 -- 3.4 3.8 --

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 1.15 12.0 -- 0.0 46002 -- -- 96.3 0.124 0.124 -- -- --
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.102
s_similar_adp_cmpnt 0.088
s_rigid_bond_adp_cmpnt 0.005
s_anti_bump_dis_restr 0.02
s_non_zero_chiral_vol 0.086
s_zero_chiral_vol 0.069
s_similar_dist 0.025
s_angle_d 0.031
s_bond_d 0.015
Coordinate Error
Parameter Value
Number Disordered Residues 40.0
Occupancy Sum Hydrogen 1156.6
Occupancy Sum Non Hydrogen 1422.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1217
Nucleic Acid Atoms 0
Heterogen Atoms 55
Solvent Atoms 206

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHELXL-96 Structure Refinement
Software
Software Name Purpose
SHELXL-96 refinement