1OXH

The crystal structure of beta-ketoacyl-[acyl carrier protein] synthase II from Streptococcus Pneumoniae, Triclinic form

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
2.13	42.31

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.52	α = 89.83
b = 71.646	β = 83.09
c = 96.1	γ = 69.15

Symmetry
Space Group	P 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	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	2.08	95	71.8			75943	75943	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)
	2.08	2.18	58.6

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	2.09	29.19	75943	75943	2051	86.21	0.2088	0.2088	0.20816	0.23488	RANDOM	40.734

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]
6.49	-0.42	-0.04	-1.7	-0.52	-4.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.682
r_scangle_it	3.381
r_scbond_it	1.976
r_angle_refined_deg	1.622
r_mcangle_it	1.469
r_angle_other_deg	0.99
r_mcbond_it	0.788
r_symmetry_vdw_refined	0.303
r_symmetry_vdw_other	0.287
r_nbd_other	0.249
r_nbd_refined	0.209
r_symmetry_hbond_refined	0.168
r_xyhbond_nbd_refined	0.134
r_chiral_restr	0.095
r_nbtor_other	0.091
r_bond_refined_d	0.02
r_gen_planes_other	0.011
r_gen_planes_refined	0.008
r_bond_other_d	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12260
Nucleic Acid Atoms
Solvent Atoms	216
Heterogen Atoms	4

Software

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