X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Small Tubes
pH 7.4
Temperature 277.0
Details ethanol, pH 7.4, SMALL TUBES, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 52.34 α = 90
b = 67.35 β = 90
c = 34.09 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2001-02-13
Diffraction Radiation
Monochromator Protocol
Si 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL44B2 0.71 SPRING-8 BL44B2

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 26.3 93.5 0.059 -- -- -- 40949 40815 1.0 2.0 --
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 1.21 56.3 0.143 -- -- -- --

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
FOURIER SYNTHESIS 1.15 10.0 -- 1.0 38639 33017 1724 89.4 0.1107 0.1042 0.1012 0.1669 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.101
s_similar_adp_cmpnt 0.061
s_rigid_bond_adp_cmpnt 0.006
s_anti_bump_dis_restr 0.068
s_non_zero_chiral_vol 0.09
s_zero_chiral_vol 0.08
s_from_restr_planes 0.0292
s_similar_dist 0.0
s_angle_d 0.044
s_bond_d 0.022
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.04
Number Disordered Residues 0.0
Occupancy Sum Hydrogen 958.0
Occupancy Sum Non Hydrogen 1280.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 801
Nucleic Acid Atoms 0
Heterogen Atoms 196
Solvent Atoms 345

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CNS Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
CNS model building
SCALA data reduction
MOSFLM data collection