4ZHT

Crystal structure of UDP-GlcNAc 2-epimerase

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		277	0.2 M ammonium acetate, 0.1 M HEPES, pH 7.1, 19% PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.15	42.87

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 106.041	α = 90
b = 98.102	β = 96.05
c = 154.722	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	ADSC QUANTUM 315r		2014-04-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSRRC BEAMLINE BL13B1	0.9791	NSRRC	BL13B1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.69	30	99.8	14.8	7.5		43536

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	2.69	30	41334	2183	99.44	0.19061	0.18881	0.22509	RANDOM	76.448

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]
1.97		0.74	0.42		-2.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.957
r_dihedral_angle_4_deg	18.431
r_dihedral_angle_3_deg	17.096
r_dihedral_angle_1_deg	6.865
r_long_range_B_refined	6.568
r_long_range_B_other	6.555
r_scangle_other	3.783
r_mcangle_it	3.335
r_mcangle_other	3.335
r_scbond_it	2.33
r_scbond_other	2.33
r_mcbond_it	1.974
r_mcbond_other	1.973
r_angle_refined_deg	1.64
r_angle_other_deg	1.405
r_chiral_restr	0.088
r_bond_refined_d	0.011
r_gen_planes_refined	0.008
r_bond_other_d	0.006
r_gen_planes_other	0.005
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_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12071
Nucleic Acid Atoms
Solvent Atoms	331
Heterogen Atoms	279

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing