1ZBQ

Crystal Structure Of Human 17-Beta-Hydroxysteroid Dehydrogenase Type 4 In Complex With NAD

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	293	0.2M Lithium Sulphate monohydrate, 0.1M TRIS hydrochloride pH8.5, 30% w/v polyethylene glycol 4000, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.1	40.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.826	α = 87.52
b = 50.771	β = 87.07
c = 183.775	γ = 70.75

Symmetry
Space Group	P 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	MARRESEARCH		2005-03-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.91840	SLS	X10SA

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	2.19	50.574	76.2			64535	64535

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	2.19	2.247	29.71

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	pdb entry 1GZ6	2.19	50.57	64535	64535	3383	76.23	0.1905	0.18812	0.23568	RANDOM	38.37

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]
2.79	-0.03	4.08	1.35	-1.71	-4.38

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.118
r_dihedral_angle_3_deg	15.561
r_dihedral_angle_4_deg	15.354
r_dihedral_angle_1_deg	6.006
r_scangle_it	2.189
r_scbond_it	1.409
r_angle_refined_deg	1.347
r_mcangle_it	0.746
r_mcbond_it	0.451
r_nbtor_refined	0.298
r_symmetry_vdw_refined	0.201
r_nbd_refined	0.199
r_symmetry_hbond_refined	0.181
r_xyhbond_nbd_refined	0.133
r_chiral_restr	0.093
r_bond_refined_d	0.012
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	13513
Nucleic Acid Atoms
Solvent Atoms	343
Heterogen Atoms	264

Software

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