2H9F

CRYSTAL STRUCTURE OF a PrpF family methylaconitate isomerase (PA0793) FROM PSEUDOMONAS AERUGINOSA AT 1.95 A RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5	277	1.8M (NH4)2SO4, 0.01M CoCl2, 0.1M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
4.18	70.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 148.69	α = 90
b = 148.69	β = 90
c = 141.085	γ = 90

Symmetry
Space Group	I 41 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	ADSC QUANTUM 315	1m long Rh coated bent cylindrical mirror for horizontal and vertical focussing	2006-05-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL1-5	0.976240	SSRL	BL1-5

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	47.036	100	0.091	14.54	8.58		57509			35.2

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	2.04	100		0.938	2.25	7.36	6723

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	THROUGHOUT	1.95	47.02	57491	2918	99.98	0.169	0.168	0.196	RANDOM	29.583

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]
-1.5			-1.5		2.99

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.867
r_dihedral_angle_4_deg	18.852
r_dihedral_angle_3_deg	13.221
r_dihedral_angle_1_deg	6.398
r_scangle_it	5.683
r_scbond_it	4.31
r_mcangle_it	2.763
r_mcbond_it	2.167
r_angle_refined_deg	1.551
r_angle_other_deg	0.919
r_mcbond_other	0.678
r_symmetry_vdw_other	0.302
r_nbd_refined	0.206
r_nbd_other	0.202
r_nbtor_refined	0.178
r_xyhbond_nbd_refined	0.156
r_symmetry_hbond_refined	0.151
r_symmetry_vdw_refined	0.135
r_nbtor_other	0.091
r_chiral_restr	0.088
r_bond_refined_d	0.017
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2894
Nucleic Acid Atoms
Solvent Atoms	371
Heterogen Atoms	35

Software

Software
Software Name	Purpose
MolProbity	model building
REFMAC	refinement
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHELXD	phasing
autoSHARP	phasing