Experiment: 4E9U

Crystal structure of dehydrosqualene synthase (Crtm) from S. aureus complexed with a thiocyanate inhibitor

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.4		0.75M POTASSIUM SODIUM TARTRATE, 1MM BPH-954 (LIGAND) , pH 7.4, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.47	50.16

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.44	α = 90
b = 80.44	β = 90
c = 90.793	γ = 120

Symmetry
Space Group	P 32 2 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	MARMOSAIC 225 mm CCD		2010-10-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F		APS	21-ID-F

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	2.1	50	99.9	0.066		10.1		20218

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2.1	36.77	20227	19540	1010	96.6	0.189	0.191	0.189	0.1843	0.236	0.2281	RANDOM

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]
1.4212			1.4212		-2.8425

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.31
f_angle_d	0.962
f_chiral_restr	0.067
f_bond_d	0.007
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2392
Nucleic Acid Atoms
Solvent Atoms	156
Heterogen Atoms	20

Software

Software
Software Name	Purpose
PHASES	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling