3ZVB

3C protease of Enterovirus 68 complexed with Michael receptor inhibitor 81

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3ZV8	PDB ENTRY 3ZV8

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6		0.07 M SODIUM ACETATE (PH 4.6), 15% PEG 4000, 30% GLYCEROL. SITTING DROP.

Crystal Properties
Matthews coefficient	Solvent content
3.71	66.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.32	α = 90
b = 56.32	β = 90
c = 170.341	γ = 120

Symmetry
Space Group	P 31 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	MARMOSAIC 225 mm CCD	MIRRORS		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1		BESSY	14.1

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	2.65	48.77	100	0.14	18.7	17.7		9730		2

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	2.65	2.79	100		0.48	6.8	18.3

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 3ZV8	2.65	56.78	9203	465	99.77	0.19334	0.19025	0.2561	RANDOM	25.309

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]
1.82	0.91		1.82		-2.74

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.89
r_dihedral_angle_4_deg	23.878
r_dihedral_angle_3_deg	19.333
r_dihedral_angle_1_deg	7.594
r_scangle_it	4.747
r_scbond_it	2.903
r_mcangle_it	1.956
r_angle_refined_deg	1.947
r_mcbond_it	0.988
r_chiral_restr	0.135
r_bond_refined_d	0.019
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_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	1470
Nucleic Acid Atoms
Solvent Atoms	47
Heterogen Atoms	34

Software

Software
Software Name	Purpose
REFMAC	refinement
iMOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing