2Q01

Crystal structure of glucuronate isomerase from Caulobacter crescentus

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.2	294	1.0 M Sodium-potassium phosphate, pH 8.2, 10% Glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
3.99	69.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 177.332	α = 90
b = 190.176	β = 90
c = 319.29	γ = 90

Symmetry
Space Group	F 2 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	MAR CCD 165 mm	MIRRORS	2006-03-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.97960	APS	31-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.34	50	92.7	0.188	0.178	2.7	2.5	112315	112315			45

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.34	2.43	61.9		0.6	0.57	0.4	1.8

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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1JS5	2.34	20	99708	99708	3035	91.69	0.19972	0.19972	0.19818	0.25125	RANDOM	51.199

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]
1.73			-1.98		0.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.594
r_dihedral_angle_3_deg	18.542
r_dihedral_angle_4_deg	14.513
r_scangle_it	12.408
r_scbond_it	9.075
r_mcangle_it	7.327
r_dihedral_angle_1_deg	5.519
r_mcbond_it	4.984
r_angle_refined_deg	1.177
r_nbtor_refined	0.3
r_symmetry_hbond_refined	0.192
r_metal_ion_refined	0.163
r_xyhbond_nbd_refined	0.155
r_nbd_refined	0.141
r_symmetry_vdw_refined	0.089
r_chiral_restr	0.087
r_bond_refined_d	0.007
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11530
Nucleic Acid Atoms
Solvent Atoms	488
Heterogen Atoms	3

Software

Software
Software Name	Purpose
PHASER	phasing
REFMAC	refinement
MAR345dtb	data collection
HKL-2000	data reduction
HKL-2000	data scaling