4XJR

The catalytic mechanism of human parainfluenza virus type 3 haemagglutinin-neuraminidase revealed

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	293	citrate buffer, ammonium sulphate, PEG 3000

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.85	α = 90
b = 98.303	β = 90
c = 103.261	γ = 90

Symmetry
Space Group	P 21 21 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	CCD	ADSC QUANTUM 210r		2014-06-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE AR-NW12A	1.000	Photon Factory	AR-NW12A

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	3	50	99.7	12.93	16.8		17333

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	3	50	16424	874	99.8	0.1954	0.1904	0.2979	RANDOM	46.252

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]
-0.83			0.04		0.79

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.442
r_dihedral_angle_3_deg	15.496
r_dihedral_angle_4_deg	13.963
r_dihedral_angle_1_deg	7.852
r_mcangle_it	3.784
r_mcbond_it	2.227
r_mcbond_other	2.226
r_angle_refined_deg	1.464
r_angle_other_deg	0.914
r_chiral_restr	0.076

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.442
r_dihedral_angle_3_deg	15.496
r_dihedral_angle_4_deg	13.963
r_dihedral_angle_1_deg	7.852
r_mcangle_it	3.784
r_mcbond_it	2.227
r_mcbond_other	2.226
r_angle_refined_deg	1.464
r_angle_other_deg	0.914
r_chiral_restr	0.076
r_bond_refined_d	0.009
r_gen_planes_refined	0.005
r_bond_other_d	0.003
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6702
Nucleic Acid Atoms
Solvent Atoms	5
Heterogen Atoms	156

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
XDS	data reduction
Aimless	data scaling
PHASER	phasing
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.