2C20

CRYSTAL STRUCTURE OF UDP-GLUCOSE 4-EPIMERASE

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1GY8	PDB ENTRY 1GY8

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		22% PEG 2K MME, 0.2M CALCIUM ACETATE, 0.1 MES PH 6.5

Crystal Properties
Matthews coefficient	Solvent content
3	58.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 136.165	α = 90
b = 136.165	β = 90
c = 248.646	γ = 120

Symmetry
Space Group	P 32 1 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 CCD		2004-11-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14		ESRF	BM14

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	2.7	25	99.9	0.08	16	4.3		70638

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	2.7	2.8	100		0.66	2.3	4.4

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 1GY8	2.7	25.02	48909	2747	73.1	0.208	0.205	0.276	RANDOM	16.5

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]
-0.77	-0.39		-0.77		1.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.65
r_dihedral_angle_3_deg	19.096
r_dihedral_angle_4_deg	18.046
r_dihedral_angle_1_deg	6.581
r_scangle_it	2.31
r_angle_refined_deg	1.524
r_scbond_it	1.471
r_mcangle_it	0.997
r_mcbond_it	0.578
r_nbtor_refined	0.316
r_nbd_refined	0.233
r_symmetry_hbond_refined	0.217
r_xyhbond_nbd_refined	0.17
r_symmetry_vdw_refined	0.162
r_chiral_restr	0.099
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
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_refined
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_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	15546
Nucleic Acid Atoms
Solvent Atoms	234
Heterogen Atoms	270

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing