1OX0

The crystal structure of beta-ketoacyl-[acyl carrier protein] synthase II from Streptococcus pneumoniae

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.75	292	PEG 3350, magnesium acetate, Tris HCl, pH 7.75, VAPOR DIFFUSION, HANGING DROP, temperature 392K

Crystal Properties
Matthews coefficient	Solvent content
1.93	36.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.666	α = 90
b = 89.973	β = 90
c = 62.202	γ = 90

Symmetry
Space Group	P 21 21 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		2002-09-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	0.979190	APS	22-ID

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	1.3	15	99.8			85878	85878	1	2

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	1.3	1.32	99.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.3	15	85878	85878	2038	99.73	0.1382	0.13825	0.13775	0.16005	RANDOM	11.23

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]
0.07			-0.52		0.45

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	9.166
r_dihedral_angle_1_deg	6.27
r_scangle_it	4.902
r_sphericity_bonded	4.262
r_scbond_it	3.442
r_mcangle_it	2.263
r_angle_refined_deg	1.813
r_rigid_bond_restr	1.719
r_mcbond_it	1.56
r_angle_other_deg	1.041
r_symmetry_vdw_refined	0.399
r_symmetry_vdw_other	0.361
r_nbd_other	0.254
r_nbd_refined	0.247
r_xyhbond_nbd_refined	0.126
r_chiral_restr	0.12
r_symmetry_hbond_refined	0.116
r_nbtor_other	0.086
r_gen_planes_other	0.036
r_bond_other_d	0.025
r_gen_planes_refined	0.021
r_bond_refined_d	0.02

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3111
Nucleic Acid Atoms
Solvent Atoms	325
Heterogen Atoms	2

Software

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