2HAN | pdb_00002han

Structural basis of heterodimeric ecdysteroid receptor interaction with natural response element hsp27 gene promoter

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1R0O

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	293	21% PEG 3350, 0.1 M NaCl, 0.1 M MES, 1 mM DTT, 5 mikroM ZnCl2, 0.1 M LiCl, 10 mM MgCl2 , pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.35	47.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.716	α = 90
b = 59.79	β = 106.7
c = 65.179	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	MAR CCD 165 mm		2004-03-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X11	0.8115	EMBL/DESY, HAMBURG	X11

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	1.95	30	99.9	0.068	24.2	7	25368	25368	3	3

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)
	1.95	2.02	100		0.549	3.4	6

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1r0o	1.95	26.92	23899	1272	99.89	0.1816	0.17965	0.19	0.21706	0.23	RANDOM	31.648

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]
1.99		0.23	-0.58		-1.28

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.269
r_scangle_it	3.556
r_scbond_it	2.435
r_angle_refined_deg	2.029
r_mcangle_it	1.898
r_angle_other_deg	1.118
r_mcbond_it	1.047
r_symmetry_vdw_other	0.361
r_symmetry_vdw_refined	0.264
r_nbd_other	0.254
r_nbd_refined	0.188
r_xyhbond_nbd_refined	0.159
r_symmetry_hbond_refined	0.15
r_chiral_restr	0.11
r_nbtor_other	0.087
r_bond_refined_d	0.016
r_gen_planes_refined	0.009
r_gen_planes_other	0.007
r_bond_other_d	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1348
Nucleic Acid Atoms	812
Solvent Atoms	222
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345	data collection
SCALEPACK	data scaling
EPMR	phasing