3AE0

Crystal structure of the C(30) carotenoid dehydrosqualene synthase from Staphylococcus aureus complexed with geranylgeranyl thiopyrophosphate

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2ZCP

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	298	11-21% PEG 4000, 0.3-0.4M MgCl2, 0.1M Tris, 0.5mM GGsPP, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.45	49.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.118	α = 90
b = 80.118	β = 90
c = 183.617	γ = 120

Symmetry
Space Group	P 31 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	ADSC QUANTUM 315r	mirrors	2009-11-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-5A	1.0000	Photon Factory	BL-5A

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	2.37	30	99.1	0.056	32.5	6.2	28590	28335		1

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)
1	2.37	2.45	97.5		0.581	3.1	5.7	2767

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	2ZCP	2.37	30	26857	1428	98.98	0.22234	0.21925	0.28055	RANDOM	31.492

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]
1.64	0.82		1.64		-2.46

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.015
r_dihedral_angle_3_deg	19.007
r_dihedral_angle_4_deg	14.831
r_sphericity_free	9.735
r_dihedral_angle_1_deg	5.544
r_scangle_it	4.715
r_sphericity_bonded	3.154
r_scbond_it	3.108
r_mcangle_it	2.18
r_rigid_bond_restr	2.122
r_angle_refined_deg	1.522
r_mcbond_it	1.262
r_chiral_restr	0.105
r_bond_refined_d	0.007
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4772
Nucleic Acid Atoms
Solvent Atoms	70
Heterogen Atoms	122

Software

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