1XQC

X-ray structure of ERalpha LBD bound to a tetrahydroisoquinoline SERM ligand at 2.05A resolution

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1UOM	PDB entry 1UOM

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	9	293	PEG-550ME, sodium chloride, bicine, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.2	44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.114	α = 90
b = 156.569	β = 90.35
c = 58.962	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	IMAGE PLATE	MARRESEARCH		2001-08-30	M	SINGLE WAVELENGTH
2	1	100	IMAGE PLATE	MAC Science DIP-2030		2001-07-12

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM1A	0.8727	ESRF	BM1A
2	ROTATING ANODE	ENRAF-NONIUS FR591	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.05	10	95.2	0.095	22.3	6.8	59332	59332			31.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.05	2.12	89.9		0.422	1.8	4.9

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1UOM	2.05	10	55974	55974	2992	95.29	0.2132	0.2132	0.21101	0.25425	RANDOM	41.123

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]
5.99		-0.47	-1.95		-4.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.02
r_scangle_it	3.581
r_scbond_it	2.252
r_mcangle_it	1.693
r_angle_refined_deg	1.554
r_mcbond_it	0.942
r_angle_other_deg	0.88
r_symmetry_hbond_refined	0.286
r_symmetry_vdw_other	0.27
r_nbd_other	0.229
r_nbd_refined	0.219
r_symmetry_vdw_refined	0.218
r_xyhbond_nbd_refined	0.212
r_chiral_restr	0.088
r_nbtor_other	0.088
r_bond_refined_d	0.018
r_gen_planes_refined	0.007
r_gen_planes_other	0.006
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7112
Nucleic Acid Atoms
Solvent Atoms	374
Heterogen Atoms	132

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing