1Q5M

Binary complex of rabbit 20alpha-hydroxysteroid dehydrogenase with NADPH

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	298	LiSO4 and PEG 4K, pH 7.5, VAPOR DIFFUSION

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.54	α = 90
b = 85.27	β = 91.48
c = 66.15	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	CCD	ADSC QUANTUM 4		2001-04-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2	0.933	ESRF	ID14-2

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	1.32	57.74		0.069	15.1	3.1		141980

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	1.32	1.37	69.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	1.32	57.74	138538	5499	96.38	0.3206	0.14918	0.1481	0.1769	RANDOM	14.928

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	13.592
r_dihedral_angle_1_deg	6.012
r_scangle_it	4.662
r_scbond_it	3.614
r_angle_refined_deg	2.607
r_mcangle_it	2.076
r_mcbond_it	1.873
r_angle_other_deg	1.427
r_nbd_refined	0.28
r_symmetry_vdw_other	0.268
r_xyhbond_nbd_refined	0.265
r_symmetry_hbond_refined	0.219
r_nbd_other	0.208
r_symmetry_vdw_refined	0.182
r_chiral_restr	0.181
r_nbtor_other	0.096
r_xyhbond_nbd_other	0.092
r_bond_refined_d	0.033
r_gen_planes_refined	0.015
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5156
Nucleic Acid Atoms
Solvent Atoms	733
Heterogen Atoms	106

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data scaling
AMoRE	phasing