2QAB

Crystal Structure of Estrogen Receptor Alpha Ligand Binding Domain Mutant 537S Complexed with an Ethyl Indazole Compound

X-RAY DIFFRACTION

Crystallization

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

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.35

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.824	α = 90
b = 83.08	β = 109.13
c = 58.304	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	ADSC QUANTUM 315	bent conical Si-mirror (Rh coating)		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-C	0.97934	APS	14-BM-C

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	1.86	50	98.3	0.098	0.098	13.8	3.6	41242	41242			31.89

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	1.86	1.93	95.9		0.688	0.688	1.91	2.8	4019

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	1.89	19.54	39668	39668	2012	98.59	0.226	0.224	0.27	RANDOM	32.174

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]
0.11		0.05	-0.01		-0.07

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.747
r_dihedral_angle_4_deg	19.297
r_dihedral_angle_3_deg	16.327
r_scangle_it	8.67
r_scbond_it	6.323
r_dihedral_angle_1_deg	4.611
r_mcangle_it	4.009
r_mcbond_it	3.044
r_angle_refined_deg	1.051
r_symmetry_hbond_refined	0.422

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.747
r_dihedral_angle_4_deg	19.297
r_dihedral_angle_3_deg	16.327
r_scangle_it	8.67
r_scbond_it	6.323
r_dihedral_angle_1_deg	4.611
r_mcangle_it	4.009
r_mcbond_it	3.044
r_angle_refined_deg	1.051
r_symmetry_hbond_refined	0.422
r_nbtor_refined	0.315
r_symmetry_vdw_refined	0.306
r_nbd_refined	0.223
r_xyhbond_nbd_refined	0.146
r_chiral_restr	0.071
r_bond_refined_d	0.009
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4007
Nucleic Acid Atoms
Solvent Atoms	16
Heterogen Atoms	38

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

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.