2Y5S

Crystal structure of Burkholderia cenocepacia dihydropteroate synthase complexed with 7,8-dihydropteroate.

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1AJ2	PDB ENTRY 1AJ2

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.8		RESERVOIR: 0.1 M TRIS/HCL PH 8, 10 % PEG 8000, 0.3 M MGCL2 PROTEIN SOLUTIONS: BCDHPS AT 7.5 MG/ML, 2 MM DIHYDROPTEROATE, 50 MM TRIS/HCL PH 7.5, 250 MM NACL.

Crystal Properties
Matthews coefficient	Solvent content
2.29	46.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.662	α = 90
b = 86.92	β = 90
c = 88.795	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	93	CCD	RIGAKU CCD	MIRRORS	2009-08-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007

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	1.95	29.6	98.9	0.05	14.4	4.4		41750			27.4

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	1.95	2.06	93.6		0.37	3.1	3.7

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	PDB ENTRY 1AJ2	1.95	62.11	37961	2027	94.66	0.17742	0.17564	0.21114	RANDOM	29.049

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]
-1.35			-1.41		2.76

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.566
r_dihedral_angle_4_deg	13.637
r_dihedral_angle_3_deg	13.485
r_dihedral_angle_1_deg	6.002
r_scangle_it	2.708
r_scbond_it	1.691
r_angle_refined_deg	1.232
r_mcangle_it	1.052
r_angle_other_deg	0.882
r_mcbond_it	0.572
r_mcbond_other	0.128
r_chiral_restr	0.073
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4142
Nucleic Acid Atoms
Solvent Atoms	305
Heterogen Atoms	112

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing