4FJ2

Crystal structure of the ternary complex between a fungal 17beta-hydroxysteroid dehydrogenase (Holo form) and biochanin A

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	30% (W/V) PEG 2000 MME, 0.1M KCNS, 5mM NADP, Crystals soaked for 24 hours in: 30% (W/V) PEG 2000 MME, 0.1M KCNS, 1mM NADP, 5% (V/V) DMSO, 2 mM biochanin A , pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.68

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.43	α = 90
b = 115.28	β = 102.93
c = 69.6	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	PIXEL	DECTRIS PILATUS 2M	Platinum coated cylindrical mirror	2010-07-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 5.2R	1.2	ELETTRA	5.2R

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	2.3	35	76.7	0.033	19	2.3	32695	32695		-3	39.2

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	2.3	2.36	50.1		0.212	6.63	2.27	1574

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 3QWI	2.5	33.43	25680	25680	1352	81.28	0.16853	0.16853	0.16641	0.20801	RANDOM	27.813

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]
-1.64		-1.28	2.54		-1.47

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.711
r_dihedral_angle_3_deg	14.533
r_dihedral_angle_4_deg	10.602
r_dihedral_angle_1_deg	5.661
r_angle_refined_deg	1.406
r_angle_other_deg	1.237
r_chiral_restr	0.073
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.005

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.711
r_dihedral_angle_3_deg	14.533
r_dihedral_angle_4_deg	10.602
r_dihedral_angle_1_deg	5.661
r_angle_refined_deg	1.406
r_angle_other_deg	1.237
r_chiral_restr	0.073
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.005
r_gen_planes_other	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7843
Nucleic Acid Atoms
Solvent Atoms	197
Heterogen Atoms	254

Software

Software
Software Name	Purpose
XRD1	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling

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.