X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.1
Details PROTEIN WAS CRYSTALLIZED FROM 12-16 % PEG4000, 100 MM HEPES PH 7.1, 0.5 MM ESTRADIOL, 200 MM NACL, 100MM MGCL2, 2.2 MM DECYL-BETA-D-MALTOSIDE; THEN SOAKED IN 30 % PEG 4000, 100 MM HEPES PH 7.1, 100 MM MGCL2, 0.5 MM ESTRADIOL, 1 MM NADP+

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 111.38 α = 90
b = 48.54 β = 115.13
c = 60.77 γ = 90
Symmetry
Space Group C 1 2 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
1.9 40 70.6 -- 0.034 -- 2.83 -- 15988 -- 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)
1.9 2.0 34.5 -- 0.162 -- 1.12 --

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 1.9 10.0 -- 2.0 -- 15081 805 -- -- -- 0.21 0.261 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 32.83
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.014
p_angle_d 0.03
p_planar_d 0.038
p_mcbond_it 1.459
p_mcangle_it 2.309
p_scbond_it 2.625
p_scangle_it 4.008
p_plane_restr 0.015
p_chiral_restr 0.194
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2181
Nucleic Acid Atoms 0
Heterogen Atoms 68
Solvent Atoms 157

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
AMORE model building