2QGT

Crystal Structure of the Estrogen Receptor Alpha Ligand Binding Domain Complexed to an Ether Estradiol Compound

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3ERD	PDB entry 3ERD

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	298	VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 8.0

Crystal Properties
Matthews coefficient	Solvent content
2.09	41.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.171	α = 90
b = 83.708	β = 108.45
c = 56.007	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	SBC-3	mirrors	2004-11-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.97945	APS	19-BM

Data Collection

Overall
ID #	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	2.15	50	98.7	0.118	0.118	4.1	3.7	28301	28301			20.43

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.15	2.23	95.7		0.395	0.395	1.8	3.1	2736

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 3ERD	2.15	20	28251	28251	1431	96.93	0.194	0.192	0.24	RANDOM	16.469

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
0.12		-0.07	-0.07		-0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.744
r_dihedral_angle_3_deg	16.386
r_dihedral_angle_4_deg	15.846
r_dihedral_angle_1_deg	4.853
r_scangle_it	2.747
r_scbond_it	1.931
r_mcangle_it	1.471
r_angle_refined_deg	1.149
r_mcbond_it	0.986
r_angle_other_deg	0.914
r_symmetry_vdw_other	0.336
r_symmetry_vdw_refined	0.288
r_nbd_refined	0.209
r_nbd_other	0.197
r_xyhbond_nbd_refined	0.19
r_symmetry_hbond_refined	0.179
r_nbtor_refined	0.174
r_mcbond_other	0.173
r_nbtor_other	0.088
r_chiral_restr	0.071
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3978
Nucleic Acid Atoms
Solvent Atoms	134
Heterogen Atoms	46

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
MOLREP	phasing