7Z43

Influenza B polymerase with Pol II pSer5 CTD peptide mimic bound in site 1B and 2B

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.4	277	200 mM di-ammonium phosphate, and 100 mM sodium acetate at pH 4.4

Crystal Properties
Matthews coefficient	Solvent content
5.33	76.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 200.819	α = 90
b = 200.819	β = 90
c = 257.018	γ = 120

Symmetry
Space Group	P 32 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	PIXEL	DECTRIS PILATUS3 2M		2017-12-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE MASSIF-1	0.966	ESRF	MASSIF-1

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	3.12	76.972	73.1	0.128	0.149	0.994	8	3.9		77848

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	3.12	3.32			1.3	1.49	0.536	1.7

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 (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	5MSG	3.123	76.972	77848	3951	73.077	0.241	0.2396	0.2723	108.854

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]
-0.025	-0.012		-0.025		0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.68
r_dihedral_angle_3_deg	14.411
r_dihedral_angle_4_deg	10.196
r_lrange_it	6.332
r_lrange_other	6.332
r_dihedral_angle_other_2_deg	6.123
r_dihedral_angle_1_deg	4.795
r_mcangle_it	3.785
r_mcangle_other	3.785
r_scangle_it	3.208
r_scangle_other	3.208
r_mcbond_it	2.165
r_mcbond_other	2.165
r_scbond_it	1.728
r_scbond_other	1.728
r_angle_refined_deg	1.171
r_angle_other_deg	0.993
r_ext_dist_refined_d	0.231
r_nbd_refined	0.159
r_nbtor_refined	0.151
r_symmetry_nbd_other	0.146
r_symmetry_xyhbond_nbd_refined	0.143
r_xyhbond_nbd_refined	0.126
r_nbd_other	0.122
r_symmetry_nbtor_other	0.072
r_symmetry_nbd_refined	0.057
r_chiral_restr	0.048
r_bond_refined_d	0.002
r_gen_planes_refined	0.002
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	17684
Nucleic Acid Atoms	745
Solvent Atoms	1
Heterogen Atoms	34

Software

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