2MF6

Solution NMR structure of Chimeric Avidin, ChiAVD(I117Y), in the biotin bound form

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	0.7-1.2 mM [U-13C; U-15N] avidin-1, 0.7-1.2 mM d-biotin-2, 93 % H2O-3, 7 % D2O-4	93% H2O/7% D2O		6.5	1 atm	333
2	2D 1H-13C HSQC	0.7-1.2 mM [U-13C; U-15N] avidin-1, 0.7-1.2 mM d-biotin-2, 93 % H2O-3, 7 % D2O-4	93% H2O/7% D2O		6.5	1 atm	333
3	3D HNCACB	0.7-1.2 mM [U-13C; U-15N] avidin-1, 0.7-1.2 mM d-biotin-2, 93 % H2O-3, 7 % D2O-4	93% H2O/7% D2O		6.5	1 atm	333
4	3D CBCA(CO)NH	0.7-1.2 mM [U-13C; U-15N] avidin-1, 0.7-1.2 mM d-biotin-2, 93 % H2O-3, 7 % D2O-4	93% H2O/7% D2O		6.5	1 atm	333
5	3D H(CCO)NH	0.7-1.2 mM [U-13C; U-15N] avidin-1, 0.7-1.2 mM d-biotin-2, 93 % H2O-3, 7 % D2O-4	93% H2O/7% D2O		6.5	1 atm	333
6	3D C(CO)NH	0.7-1.2 mM [U-13C; U-15N] avidin-1, 0.7-1.2 mM d-biotin-2, 93 % H2O-3, 7 % D2O-4	93% H2O/7% D2O		6.5	1 atm	333
7	3D HCCH-COSY	0.7-1.2 mM [U-13C; U-15N] avidin-1, 0.7-1.2 mM d-biotin-2, 93 % H2O-3, 7 % D2O-4	93% H2O/7% D2O		6.5	1 atm	333
8	(HB)CB(CGCD)HD	0.7-1.2 mM [U-13C; U-15N] avidin-1, 0.7-1.2 mM d-biotin-2, 93 % H2O-3, 7 % D2O-4	93% H2O/7% D2O		6.5	1 atm	333
9	HCCmHm	0.7-1.2 mM [U-13C; U-15N] avidin-1, 0.7-1.2 mM d-biotin-2, 93 % H2O-3, 7 % D2O-4	93% H2O/7% D2O		6.5	1 atm	333
10	3D 1H-13C NOESY	0.7-1.2 mM [U-13C; U-15N] avidin-1, 0.7-1.2 mM d-biotin-2, 93 % H2O-3, 7 % D2O-4	93% H2O/7% D2O		6.5	1 atm	333
11	3D 1H-15N NOESY	0.7-1.2 mM [U-13C; U-15N] avidin-1, 0.7-1.2 mM d-biotin-2, 93 % H2O-3, 7 % D2O-4	93% H2O/7% D2O		6.5	1 atm	333
12	3D 1H-13C NOESY	0.7-1.2 mM [U-13C; U-15N] avidin-5, 0.7-1.2 mM d-biotin-6, 100 % D2O-7	100% D2O		6.5	1 atm	333

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	Unity INOVA	800

NMR Refinement
Method	Details	Software
simulated annealing, molecular dynamics		VNMR

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	15
Representative Model	1 (lowest energy)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	collection	VNMR		Varian
2	processing	VNMR		Varian
3	data analysis	Sparky		Goddard, Guntert, Mumenthaler and Wuthrich
4	structure solution	Sparky		Goddard, Guntert, Mumenthaler and Wuthrich
5	structure solution	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
6	refinement	Amber		Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollman
7	refinement	X-PLOR NIH