3FS2

Crystal structure of 2-Dehydro-3-Deoxyphosphooctonate aldolase from Bruciella melitensis at 1.85A resolution

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1FWS	pdb coordinate set 1fws, monomer after sidechain adjustment with chainsaw

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	290	JCSG+ SCREEN D3: 100MM NA/K PHOSPHATE PH 6.2, 50% PEG 200, 200MM NACL, PH 5.5, VAPOR DIFFUSION, TEMPERATURE 290K, VAPOR DIFFUSION, SITTING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.18	43.54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 121.53	α = 90
b = 75.64	β = 126
c = 74.65	γ = 90

Symmetry
Space Group	C 1 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	WESTBROOK NOIR		2008-10-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 4.2.2	1.000	ALS	4.2.2

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	1.85	50	97.7	0.078	10.22	3.5	45916	45916		-3	29.4

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)
	1.85	1.9	87.1		0.481	2.6	2.6	3021

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MR	THROUGHOUT	pdb coordinate set 1fws, monomer after sidechain adjustment with chainsaw	1.85	19.17	45914	45914	2366	98.3	0.179	0.179	0.176	0.222	RANDOM	20.39

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]
-0.18		0.18	0.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.924
r_dihedral_angle_4_deg	18.241
r_dihedral_angle_3_deg	13.109
r_dihedral_angle_1_deg	5.994
r_scangle_it	4.376
r_scbond_it	2.682
r_mcangle_it	1.773
r_angle_refined_deg	1.591
r_mcbond_it	1.007
r_angle_other_deg	0.993
r_mcbond_other	0.275
r_chiral_restr	0.097
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3778
Nucleic Acid Atoms
Solvent Atoms	313
Heterogen Atoms	40

Software

Software
Software Name	Purpose
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling