5VVV

Structural Investigations of the Substrate Specificity of Human O-GlcNAcase

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5UN8

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	EVAPORATION		293	0.024 M ammonium citrate tribasic (pH 7.0), 0.015 M MES monohydrate, 0.096 M potassium thiocyanate, 0.25 M Sodium acetate trihydrate, 0.037 M imidazole, 0.002 M zinc sulfate heptahydrate, 9.6 % w/v polyethylene glycol 3,350, 2.4 % w/v polyethylene glycol monomethyl ether 2,000, and 4% w/v polyethylene glycol monomethyl ether 550

Crystal Properties
Matthews coefficient	Solvent content
2.76	55.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.084	α = 90
b = 96.258	β = 114.29
c = 89.809	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	80	CCD	MARMOSAIC 300 mm CCD		2017-02-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.978	APS	21-ID-G

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rpim I (All)	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	50	99.8	0.049	1.5	5.6		31917

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.7	2.8	98.6		0.341	0.58		5.5

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	5UN8	2.8	50	30321	1576	99.92	0.19916	0.19603	0.25684	RANDOM	74.527

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]
1.4		2.11	0.4		-2.63

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.784
r_dihedral_angle_3_deg	18.002
r_dihedral_angle_4_deg	17.579
r_long_range_B_refined	14.796
r_mcangle_it	9.283
r_dihedral_angle_1_deg	7.051
r_scbond_it	6.914
r_mcbond_it	6.062
r_angle_refined_deg	1.706
r_chiral_restr	0.119
r_bond_refined_d	0.013
r_gen_planes_refined	0.008
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_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
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	6952
Nucleic Acid Atoms
Solvent Atoms	35
Heterogen Atoms	28

Software

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