1X9E

Crystal structure of HMG-CoA synthase from Enterococcus faecalis

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.8	298	2.4 M ammonium sulfate and 100 mM MES, pH 6.8, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.39	48.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.368	α = 90
b = 109.82	β = 90
c = 141.54	γ = 90

Symmetry
Space Group	I 2 2 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	CCD	MARRESEARCH	Bent cylindrical Si-mirror (Rh coating)	2004-03-26	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-ID-B	1.003, 0.98021, 0.98006	APS	14-ID-B

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	2.4	26.5	100	0.121	13.2	4.3		31594	3	3

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)
	2.4		98.6		0.435	3.4	3.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	MAD	THROUGHOUT	2.4	26.5	2	29985	29985	1607	100	0.2347	0.22528	0.2538	RANDOM	18.537

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]
0.02			0.5		-0.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.433
r_dihedral_angle_4_deg	18.122
r_dihedral_angle_3_deg	17.657
r_dihedral_angle_1_deg	5.876
r_scangle_it	3.372
r_angle_refined_deg	2.497
r_scbond_it	2.432
r_mcbond_it	1.215
r_mcangle_it	1.121
r_angle_other_deg	1.063
r_xyhbond_nbd_refined	0.214
r_nbd_refined	0.213
r_nbd_other	0.2
r_nbtor_refined	0.19
r_symmetry_vdw_other	0.176
r_symmetry_vdw_refined	0.165
r_symmetry_hbond_refined	0.152
r_mcbond_other	0.133
r_xyhbond_nbd_other	0.105
r_nbtor_other	0.094
r_chiral_restr	0.085
r_bond_refined_d	0.031
r_bond_other_d	0.027
r_gen_planes_refined	0.004
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5938
Nucleic Acid Atoms
Solvent Atoms	170
Heterogen Atoms	20

Software

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