6SYI

C-TERMINAL DOMAIN OF INFLUENZA POLYMERASE PA SUBUNIT AND OPTIMIZED SMALL PEPTIDE INHIBITOR

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2ZNL

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	291	0.1 M HEPES; pH 7.5, 35% PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.79	55.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.521	α = 90
b = 120.883	β = 90
c = 122.626	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	PIXEL	DECTRIS PILATUS 2M		2017-01-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.2	0.91841	BESSY	14.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	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	1.6	43.043	99.7	0.073	0.08	0.999	13.42	6.564		74825			35.87

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.69	98.2		2.658	2.897	0.276	0.66	6.284

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	2ZNL	1.6	34.4	72724	2101	99.65	0.1922	0.1913	0.2204	RANDOM	38.131

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]
1.93			-1.22		-0.71

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.657
r_dihedral_angle_4_deg	14.684
r_dihedral_angle_3_deg	13.33
r_dihedral_angle_1_deg	6.043
r_angle_other_deg	1.431
r_angle_refined_deg	1.423
r_chiral_restr	0.073
r_bond_refined_d	0.007
r_gen_planes_refined	0.007
r_bond_other_d	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.657
r_dihedral_angle_4_deg	14.684
r_dihedral_angle_3_deg	13.33
r_dihedral_angle_1_deg	6.043
r_angle_other_deg	1.431
r_angle_refined_deg	1.423
r_chiral_restr	0.073
r_bond_refined_d	0.007
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3402
Nucleic Acid Atoms
Solvent Atoms	316
Heterogen Atoms	26

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
MOLREP	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.