1K3M

NMR STRUCTURE OF HUMAN INSULIN MUTANT ILE-A2-ALA, HIS-B10-ASP, PRO-B28-LYS, LYS-B29-PRO, 15 STRUCTURES

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	1.2 mM AlaA2-DKP-Insulin; 100% D2O;	100% D2O		7.6	ambient	303
2	DQF-COSY	1.2 mM AlaA2-DKP-Insulin; 100% D2O;	100% D2O		7.6	ambient	303
3	2D NOESY	1.2 mM AlaA2-DKP-Insulin; 90% H2O, 10% D2O;	90% H2O/10% D2O		7.0	ambient	298
4	DQF-COSY	1.2 mM AlaA2-DKP-Insulin; 90% H2O, 10% D2O;	90% H2O/10% D2O		7.0	ambient	298
5	2D NOESY	1.2 mM AlaA2-DKP-Insulin; 20% Deuteroacetic Acid, 80% D2O;	20% Deuteroacetic Acid, 80% D2O;		1.9	ambient	298
6	DQF-COSY	1.2 mM AlaA2-DKP-Insulin; 20% Deuteroacetic Acid, 80% D2O;	20% Deuteroacetic Acid, 80% D2O;		1.9	ambient	298

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

NMR Refinement
Method	Details	Software
distance geometry and simulated annealing	The structure is based on a total of 416 restraints, 367 are NOE-derived distance constraints, 32 dihedral angle restraints, 17 distance restraints from hydrogen bonds.	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	60
Conformers Submitted Total Number	15
Representative Model	1 (closest to the average)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR	3.85	Brunger
2	refinement	DGII	InsightII 2000	Molecular Simulations Inc.
3	processing	VNMR	6.1B	Varian Inc.

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.