1JCO | pdb_00001jco

Solution structure of the monomeric [Thr(B27)->Pro,Pro(B28)->Thr] insulin mutant (PT insulin)

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2.8 mM PT-insulin; 35% Trifluoroethanol; 5% D2O; 60% H2O	35% Trifluoroethanol; 5% D2O; 60% H2O		3.13	1 atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	UNITY INOVA	500
2	Varian	UNITY INOVA	750
3	Varian	UNITY INOVA	800

NMR Refinement
Method	Details	Software
simulated annealing, molecular dynamics	197 NOEs, 52 dihedral angles, 11 hydrogen bonds. Force constants: k(NOE)= 50 kcal mol-1 AA-1, k(DIHE)= 200 kcal mol-1 AA-1	NMRPipe

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	100
Conformers Submitted Total Number	25
Representative Model	12 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer, Bax
2	data analysis	XEASY	Digital UNIX V4.0 version 1	Bartels, Xia, Billeter, Guntert, Wuthrich
3	structure solution	X-PLOR	3.851	Brunger
4	refinement	X-PLOR	3.851	Brunger