4L1W

Crystal Structuer of Human 3-alpha Hydroxysteroid Dehydrogenase Type 3 in Complex with NADP+ and Progesterone

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1J96

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	295	25% PEG3350, 0.1M Sodium Cacodylate, 0.2M Ammonium Sulfate, 0.8mM Progesterone, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.8	α = 90
b = 86.82	β = 105.96
c = 76.49	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	110	CCD	RAYONIX MX225HE		2012-10-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.979310	APS	31-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	2.2	21.5	96.4	0.037				32561	2	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	2.2	2.32	95.9		0.056		3.7	4701

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1J96	2.2	21.35	32561	30919	1640	96.41	0.14816	0.14573	0.19351	RANDOM	11.739

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]
0.39		-0.98	-0.35		0.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.476
r_dihedral_angle_3_deg	13.123
r_dihedral_angle_4_deg	12.506
r_dihedral_angle_1_deg	5.832
r_angle_refined_deg	1.902
r_angle_other_deg	1.205
r_chiral_restr	0.107
r_bond_refined_d	0.017
r_gen_planes_refined	0.011
r_bond_other_d	0.006

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.476
r_dihedral_angle_3_deg	13.123
r_dihedral_angle_4_deg	12.506
r_dihedral_angle_1_deg	5.832
r_angle_refined_deg	1.902
r_angle_other_deg	1.205
r_chiral_restr	0.107
r_bond_refined_d	0.017
r_gen_planes_refined	0.011
r_bond_other_d	0.006
r_gen_planes_other	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5204
Nucleic Acid Atoms
Solvent Atoms	369
Heterogen Atoms	152

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHASES	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	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.