8CNY

Structure of Enterovirus A71 3C protease

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	298	0.2 M MgCl2.6H2O 0.1 M Tris.HCl 30% PEG 4,000

Crystal Properties
Matthews coefficient	Solvent content
1.9	35.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.9	α = 90
b = 65.73	β = 90
c = 76.27	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS EIGER2 X 9M		2022-12-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04-1	0.92124	Diamond	I04-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	1.341	46.166	76.6	0.075	0.999	18.2	7.8		28216

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.341	1.452			0.811	1.9

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1.51	32.865	24902	1237	95.884	0.181	0.1793	0.2101	16.468

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]
-0.595			1.051		-0.456

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_6_deg	15.86
r_dihedral_angle_3_deg	14.453
r_dihedral_angle_2_deg	8.117
r_dihedral_angle_1_deg	6.984
r_lrange_it	5.915
r_lrange_other	5.845
r_scangle_it	4.366
r_scangle_other	4.364
r_scbond_it	2.855
r_scbond_other	2.853
r_mcangle_other	2.669
r_mcangle_it	2.666
r_mcbond_it	1.682
r_mcbond_other	1.681
r_angle_refined_deg	1.528
r_angle_other_deg	0.614
r_nbd_refined	0.237
r_xyhbond_nbd_refined	0.218
r_nbd_other	0.198
r_symmetry_nbd_other	0.192
r_nbtor_refined	0.166
r_symmetry_xyhbond_nbd_refined	0.158
r_symmetry_nbd_refined	0.149
r_symmetry_nbtor_other	0.082
r_chiral_restr	0.078
r_bond_other_d	0.018
r_bond_refined_d	0.01
r_gen_planes_refined	0.008
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1405
Nucleic Acid Atoms
Solvent Atoms	146
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
xia2	data reduction
xia2	data scaling
PHASER	phasing