2LLP

Solution structure of a THP type 1 alpha 1 collagen fragment (772-786)

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_15N-separated_NOESY	0.4-0.8 mM [U-98% 13C; U-98% 15N] THP type I collagen, 150 mM sodium chloride, 10 mM calcium chloride, 0.1 mM zinc chloride, 20 mM [U-2H] tris buffer, 90% H2O, 10% D2O	90% H2O/10% D2O	0.15	7.2	1 atm	298
2	2D 1H-15N HSQC	0.4-0.8 mM [U-98% 13C; U-98% 15N] THP type I collagen, 150 mM sodium chloride, 10 mM calcium chloride, 0.1 mM zinc chloride, 20 mM [U-2H] tris buffer, 90% H2O, 10% D2O	90% H2O/10% D2O	0.15	7.2	1 atm	298
3	3D HNCA	0.4-0.8 mM [U-98% 13C; U-98% 15N] THP type I collagen, 150 mM sodium chloride, 10 mM calcium chloride, 0.1 mM zinc chloride, 20 mM [U-2H] tris buffer, 90% H2O, 10% D2O	90% H2O/10% D2O	0.15	7.2	1 atm	298
4	3D CBCA(CO)NH	0.4-0.8 mM [U-98% 13C; U-98% 15N] THP type I collagen, 150 mM sodium chloride, 10 mM calcium chloride, 0.1 mM zinc chloride, 20 mM [U-2H] tris buffer, 90% H2O, 10% D2O	90% H2O/10% D2O	0.15	7.2	1 atm	298
5	3D HNCACB	0.4-0.8 mM [U-98% 13C; U-98% 15N] THP type I collagen, 150 mM sodium chloride, 10 mM calcium chloride, 0.1 mM zinc chloride, 20 mM [U-2H] tris buffer, 90% H2O, 10% D2O	90% H2O/10% D2O	0.15	7.2	1 atm	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	500
2	Bruker	AVANCE	900

NMR Refinement
Method	Details	Software
simulated annealing, minimisation	Annealing and structure calculation from constraints, minimisation by using AMBER force field and keeping the constraints	CYANA

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	900
Conformers Submitted Total Number	30
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA	2.0	Guntert P.
2	refinement	CYANA	2.0	Guntert P.
3	refinement	Amber	8.0	Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, and Kollman