X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4
Details 0.3 M NA3CIT/H3CIT PH=4, 25% MPD, pH 4.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 88.93 α = 90
b = 28.02 β = 90
c = 50.71 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1998-09-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- EMBL/DESY, HAMBURG X11

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
0.98 90 98.6 0.044 -- -- 3.5 -- 72913 -- -- --
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)
0.98 1.1 95.5 0.1774 -- 6.72 -- --

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
SAD 0.98 89.0 -- 0.0 72913 -- 3629 98.6 0.1303 0.1288 -- 0.1592 THIN SHELLS
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.082
s_similar_adp_cmpnt 0.029
s_rigid_bond_adp_cmpnt 0.006
s_anti_bump_dis_restr 0.063
s_non_zero_chiral_vol 0.076
s_zero_chiral_vol 0.097
s_from_restr_planes 0.096
s_angle_d 0.045
s_bond_d 0.022
Coordinate Error
Parameter Value
Occupancy Sum Hydrogen 728.86
Occupancy Sum Non Hydrogen 1106.67
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 720
Nucleic Acid Atoms 0
Heterogen Atoms 246
Solvent Atoms 259

Software

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