9I38 | pdb_00009i38

Solution structure of the de novo designed monoheme protein m4D2 with bound iron(III) 2,4-dimethyldeuteroporphyrin IX

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D 1H-15N HSQC	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE III HD 700
2	3D 1H-15N NOESY	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	298	Bruker AVANCE III HD 700
15	2D 1H-15N HSQC	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	308	Bruker AVANCE III HD 700
16	3D 1H-15N NOESY	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	308	Bruker AVANCE III HD 700
3	2D 1H-15N HSQC	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	308	Bruker AVANCE III HD 800
4	2D 1H-13C HSQC	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	308	Bruker AVANCE III HD 800
5	3D HN(CO)CA	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	308	Bruker AVANCE III HD 800
7	3D HNCA	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	308	Bruker AVANCE III HD 800
10	3D HNCACB	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	308	Bruker AVANCE III HD 800
9	3D HNCO	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	308	Bruker AVANCE III HD 800
8	3D 1H-13C NOESY	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	308	Bruker AVANCE III HD 800
6	3D H(CCO)NH	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	308	Bruker AVANCE III HD 800
14	3D HNCACO	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	308	Bruker AVANCE III HD 800
13	3D HCCH-TOCSY	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	308	Bruker AVANCE III HD 800
12	3D CBCA(CO)NH	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	308	Bruker AVANCE III HD 800
11	3D 1H-15N NOESY	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	308	Bruker AVANCE III HD 800
18	3D 1H-15N TOCSY	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	308	Bruker AVANCE III HD 800
17	3D CC(CO)NH	1 mM [U-100% 13C; U-100% 15N] m4D2, 1 mM FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX, 20 nM potassium phosphate, 50 mM potassium chloride	90% H2O/10% D2O	50 mM	6.4	1 atm	308	Bruker AVANCE III HD 800

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE III HD	700
2	Bruker	AVANCE III HD	800

NMR Refinement
Method	Details	Software
simulated annealing	CNS run through ARIA 2.3.2	CNS
simulated annealing		ARIA

NMR Ensemble Information
Conformer Selection Criteria	structures with the least restraint violations
Conformers Calculated Total Number	20
Conformers Submitted Total Number	20
Representative Model	1 (closest to the average)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	CcpNmr Analysis	2.4.2	CCPN
2	structure calculation	CNS	1.21	Brunger, Adams, Clore, Gros, Nilges and Read
3	refinement	ARIA	2.3.2	Linge, O'Donoghue and Nilges
4	peak picking	CcpNmr Analysis	2.4.2	CCPN