3Q95

Crystal structure of human estrogen receptor alpha LBD in complex with GRIP peptide and estriol

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	289	0.2 M Lithium sulfate monohydrate, 0.1 M Tris pH 8.5, 25% w/v Polyethylene glycol 3,350, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.03	39.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.528	α = 90
b = 81.865	β = 111.13
c = 58.886	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	77	CCD	ADSC QUANTUM 315	mirrors	2010-03-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.979	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	50	86	0.13	5.6	1.8	61658	53026

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.05	2.09	37.6		0.51	1	1.1	1158

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	1ZKY	2.05	50	28260	1500	95.1	0.19851	0.19623	0.24149	RANDOM	37.791

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]
1.37		0.25	-0.09		-1.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.513
r_dihedral_angle_4_deg	19.951
r_dihedral_angle_3_deg	13.563
r_dihedral_angle_1_deg	7.358
r_scangle_it	5.172
r_scbond_it	3.26
r_mcangle_it	1.984
r_angle_refined_deg	1.252
r_mcbond_it	1.083
r_angle_other_deg	0.786
r_mcbond_other	0.29
r_chiral_restr	0.07
r_bond_refined_d	0.011
r_gen_planes_refined	0.008
r_bond_other_d	0.006
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4182
Nucleic Acid Atoms
Solvent Atoms	80
Heterogen Atoms	46

Software

Software
Software Name	Purpose
HKL-3000	data collection
PHASER	phasing
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling