1Q13

Crystal structure of rabbit 20alpha hyroxysteroid dehydrogenase in ternary complex with NADP and testosterone

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	PEG4000, ammonium sulfate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.21	α = 90
b = 84.046	β = 91.17
c = 66.249	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	200	IMAGE PLATE	RIGAKU RAXIS IIC		2002-07-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.08	5.06				81288	37115	7.2	13

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.15	59

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	2.08	20	2.1	76308	33320	1754	93.54	0.22918	0.22643	0.28008	RANDOM	15.287

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]
-5.09		0.16	0.06		5.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	8.177
r_scangle_it	3.427
r_scbond_it	2.423
r_angle_refined_deg	2.013
r_mcangle_it	1.388
r_mcbond_it	0.915
r_symmetry_vdw_refined	0.561
r_symmetry_hbond_refined	0.477
r_nbd_refined	0.295
r_xyhbond_nbd_refined	0.265

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	8.177
r_scangle_it	3.427
r_scbond_it	2.423
r_angle_refined_deg	2.013
r_mcangle_it	1.388
r_mcbond_it	0.915
r_symmetry_vdw_refined	0.561
r_symmetry_hbond_refined	0.477
r_nbd_refined	0.295
r_xyhbond_nbd_refined	0.265
r_chiral_restr	0.134
r_bond_refined_d	0.025
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5111
Nucleic Acid Atoms
Solvent Atoms	392
Heterogen Atoms	122

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data scaling
AMoRE	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.