3VPS

Structure of a novel NAD dependent-NDP-hexosamine 5,6-dehydratase, TunA, involved in tunicamycin biosynthesis

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	293	20% polyethylene glycol 3350, 100mM 8v/v tascimate, pH 6, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.62

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.453	α = 98.13
b = 51.061	β = 106.65
c = 67.804	γ = 94.36

Symmetry
Space Group	P 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	RIGAKU SATURN 944+			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E+ SUPERBRIGHT

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	1.9	22.26		0.18782	14.2	3.7	42667	42667

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	1.949	98.55		1.4

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	MOLECULAR REPLACEMENT	THROUGHOUT	1.9	22.26	42667	2283	99.42	0.18812	0.18553	0.23522	RANDOM	41.811

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]
0.1	0.28	-0.26	0.08	0.68	-0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.756
r_dihedral_angle_4_deg	23.079
r_dihedral_angle_3_deg	17.104
r_dihedral_angle_1_deg	6.289
r_scangle_it	6.278
r_scbond_it	4.014
r_mcangle_it	3.537
r_rigid_bond_restr	2.302
r_mcbond_it	2.127
r_angle_refined_deg	2.002
r_chiral_restr	0.128
r_bond_refined_d	0.023
r_gen_planes_refined	0.011
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
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_mcbond_other
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4618
Nucleic Acid Atoms
Solvent Atoms	219
Heterogen Atoms	166

Software

Software
Software Name	Purpose
HKL-2000	data collection
CNS	refinement
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
CNS	phasing