X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.3
Details PROTEIN WAS CRYSTALLIZED FROM 2 M AMMONIUM SULFATE, 100 MM SODIUM PHOSPHATE BUFFER PH 6.3, 1 MM NADP+, 100 MM NACL; THEN SOAKED IN 30 % PEG 4000, 100 MM HEPES PH 6.5, 100 MM NACL, 0.5 MM ESTRADIOL, 1 MM NADP+

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 115.8 α = 90
b = 78.78 β = 92.91
c = 121.19 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 130
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ESRF MIRRORS 1996-02
Diffraction Radiation
Monochromator Protocol
MIRRORS --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE D2AM -- ESRF D2AM

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
2.7 40 84.0 -- 0.092 -- 3.96 -- 57170 -- 0.0 --
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)
2.7 2.83 32.0 -- 0.277 -- 2.36 --

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 2.7 10.0 -- 2.0 -- 49542 2634 -- -- -- 0.22 0.295 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 25.97
RMS Deviations
Key Refinement Restraint Deviation
p_planar_d 0.052
p_plane_restr 0.0146
p_scbond_it 1.9
p_bond_d 0.015
p_mcangle_it 1.5
p_scangle_it 3.1
p_mcbond_it 0.8
p_angle_d 0.037
p_chiral_restr 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8625
Nucleic Acid Atoms 0
Heterogen Atoms 272
Solvent Atoms 218

Software

Software
Software Name Purpose
AMoRE phasing
REFMAC refinement
XDS data reduction