1J5I

Solution Structure of a Novel Chromoprotein Derived from Apo-Neocarzinostatin and a Synthetic Chromophore

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D 1H-1H-15N TOCSY	1.0 mM u-15N 1, 1.0 mM 2, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v	80% H2O 10% D2O 10% d4-MeOH	25 mM sodium phosphate	5.0	ambient	308
2	3D 1H-1H-15N NOESY	1.0 mM u-15N 1, 1.0 mM 2, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v	80% H2O 10% D2O 10% d4-MeOH	25 mM sodium phosphate	5.0	ambient	308
3	3D HNHA	1.0 mM u-15N 1, 1.0 mM 2, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v	80% H2O 10% D2O 10% d4-MeOH	25 mM sodium phosphate	5.0	ambient	308
4	3D HNHB	1.0 mM u-15N 1, 1.0 mM 2, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v	80% H2O 10% D2O 10% d4-MeOH	25 mM sodium phosphate	5.0	ambient	308
5	2D 1H-15N HSQC	1.0 mM u-15N 1, 1.0 mM 2, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v	80% H2O 10% D2O 10% d4-MeOH	25 mM sodium phosphate	5.0	ambient	308
6	2D 1H-1H NOESY	1.0 mM u-15N 1, 1.0 mM 2, 25 mM phosphate pH 5.0, 0.1 mM TSP, 0.005% sodium azide w/v	80% H2O 10% D2O 10% d4-MeOH	25 mM sodium phosphate	5.0	ambient	308

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	600
2	Varian	UNITYPLUS	500

NMR Refinement
Method	Details	Software
Simulated annealing with torsion angle dynamics	RESTRAINTS FOR STRUCTURE CALCULATION: INTERMOLECULAR NOES 20, INTRARESIDUE NOES 173, SEQUENTIAL NOES (I, I + 1) 227, MEDIUM-RANGE NOES (I, I+2 - I+4) 115, LONG-RANGE NOES (I, I>5) 295, PSI ANGLE RESTRAINTS 39, HYDROGEN BONDS 74, DISULPHIDE BONDS 12.	VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with favorable non-bond energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	44
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR	6.1c	Varian
2	processing	NMRPipe	sgi6x	Delaglio, F., Grzesiek, S., Vuister, G. W., Zhu, G., Pfeifer, J., and Bax, A.
3	analysis	XEASY	1.3.13	Bartels, C., Xia, T. H., Billeter, M., Guntert, P., and Wurthrich, K.
4	refinement	DYANA		Guntert, Mumenthaler, Wurthrich

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.