3FJN

The crystal structure of 17-alpha hydroxysteroid dehydrogenase Y224D mutant.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	295	0.1M Sodium Cacodylate, 0.2M Magnesium Acetate, 20% Polyethylene glycol8000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 95.317	α = 90
b = 97.837	β = 90
c = 69.61	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	MAR scanner 345 mm plate	Mirrors	2008-09-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.54179

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	30	98.9	0.0552	13.3	4.34		28098	1	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)
	2.3	2.38	94.7		0.1343	4.3	3.24	2085

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	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	PDB ENTRY 2P5N	2.3	30	1	1	28224	27772	1490	98.84	0.1791	0.17394	0.27682	RANDOM	28.888

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]
-0.5			-0.11		0.61

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.79
r_dihedral_angle_3_deg	17.11
r_dihedral_angle_4_deg	16.587
r_dihedral_angle_1_deg	16.232
r_scangle_it	4.532
r_scbond_it	3.059
r_angle_refined_deg	2.189
r_mcangle_it	1.879
r_mcbond_it	1.153
r_nbtor_refined	0.309
r_symmetry_hbond_refined	0.286
r_symmetry_vdw_refined	0.226
r_xyhbond_nbd_refined	0.225
r_nbd_refined	0.223
r_chiral_restr	0.16
r_bond_refined_d	0.024
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5095
Nucleic Acid Atoms
Solvent Atoms	513
Heterogen Atoms	16

Software

Software
Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling