2M5S

High-resolution NMR structure and cryo-EM imaging support multiple functional roles for the accessory I-domain of phage P22 coat protein

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	1.5 mM [U-100% 13C; U-100% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	6.0	ambient	310.15
2	3D HNCACB	1.5 mM [U-100% 13C; U-100% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	6.0	ambient	310.15
3	3D HNCA	1.5 mM [U-100% 13C; U-100% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	6.0	ambient	310.15
4	3D HN(CO)CA	1.5 mM [U-100% 13C; U-100% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	6.0	ambient	310.15
5	3D HNCO	1.5 mM [U-100% 13C; U-100% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	6.0	ambient	310.15
6	3D HN(CA)CO	1.5 mM [U-100% 13C; U-100% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	6.0	ambient	310.15
7	3D CCH-TOCSY	1.5 mM [U-100% 13C; U-100% 15N] protein, 20 mM sodium phosphate	1% H2O/99% D2O	20	6.0	ambient	310.15
8	3D HCCH-TOCSY	1.5 mM [U-100% 13C; U-100% 15N] protein, 20 mM sodium phosphate	1% H2O/99% D2O	20	6.0	ambient	310.15
9	3D HNHB	1.5 mM [U-100% 13C; U-100% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	6.0	ambient	310.15
10	3D Long-range HNCO	1.5 mM [U-100% 13C; U-100% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	6.0	ambient	310.15
11	3D HNHA	1.5 mM [U-100% 13C; U-100% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	6.0	ambient	310.15
12	3D 1H-15N TOCSY	1.5 mM [U-100% 13C; U-100% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	6.0	ambient	310.15
13	3D 1H-13C NOESY	1.5 mM [U-100% 13C; U-100% 15N] protein, 20 mM sodium phosphate	1% H2O/99% D2O	20	6.0	ambient	310.15
14	3D 1H-15N NOESY	1.5 mM [U-100% 13C; U-100% 15N] protein, 20 mM sodium phosphate	90% H2O/10% D2O	20	6.0	ambient	310.15

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600
2	Varian	INOVA	800

NMR Refinement
Method	Details	Software
simulated annealing, torsion angle dynamics	Automated assignment of NOE spectra was carried out using ARIA using floating chirality. CCPNmr Analysis was used to inspect violations and refine the structure for further calculations with ARIA.	ARIA

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	300
Conformers Submitted Total Number	30
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	peak picking	ARIA	2.3.1
2	refinement	ARIA/CNS/CCPNmr_Analysis

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.