X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details pH 8.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.19 α = 90
b = 73.18 β = 90
c = 99.77 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR XUONG-HAMLIN MULTIWIRE -- 1995-06-23
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
2.1 30 84.0 -- 0.095 -- 3.5 -- 20045 -- 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)
2.1 2.2 65.0 -- 0.2 1.0 1.5 --

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 2.1 20.0 -- 1.0 -- 20045 1050 84.0 -- 0.21 0.202 0.34 --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TNT BCORREL V1.0
RMS Deviations
Key Refinement Restraint Deviation
t_nbd 0.04
t_it 9.0
t_gen_planes 0.01
t_trig_c_planes 0.02
t_incorr_chiral_ct 0.0
t_dihedral_angle_d 20.0
t_angle_deg 2.1
t_bond_d 0.02
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2801
Nucleic Acid Atoms 0
Heterogen Atoms 40
Solvent Atoms 305

Software

Computing
Computing Package Purpose
UCSD Data Reduction (intensity integration)
UCSD Data Reduction (data scaling)
X-PLOR Structure Solution
TNT V. 5-E, X-PLOR Structure Refinement
Software
Software Name Purpose
X-PLOR refinement
TNT version: 5E refinement
X-PLOR model building