2K0M

Solution NMR structure of the uncharacterized protein from Rhodospirillum rubrum gene locus Rru_A0810. Northeast Structural Genomics Target RrR43

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	1.05 mM [U-100% 13C; U-100% 15N] RrR43, 20 mM MES, 10 mM DTT, 0.02 % sodium azide, 100 mM sodium chloride, 50 uM DSS, 5 mM calcium chloride	90% H2O/10% D2O	0.1	6.5	ambient	298
2	2D 1H-13C HSQC	1.05 mM [U-100% 13C; U-100% 15N] RrR43, 20 mM MES, 10 mM DTT, 0.02 % sodium azide, 100 mM sodium chloride, 50 uM DSS, 5 mM calcium chloride	90% H2O/10% D2O	0.1	6.5	ambient	298
3	3D HNCO	1.05 mM [U-100% 13C; U-100% 15N] RrR43, 20 mM MES, 10 mM DTT, 0.02 % sodium azide, 100 mM sodium chloride, 50 uM DSS, 5 mM calcium chloride	90% H2O/10% D2O	0.1	6.5	ambient	298
4	3D HNCA	1.05 mM [U-100% 13C; U-100% 15N] RrR43, 20 mM MES, 10 mM DTT, 0.02 % sodium azide, 100 mM sodium chloride, 50 uM DSS, 5 mM calcium chloride	90% H2O/10% D2O	0.1	6.5	ambient	298
5	3D HNCACB	1.05 mM [U-100% 13C; U-100% 15N] RrR43, 20 mM MES, 10 mM DTT, 0.02 % sodium azide, 100 mM sodium chloride, 50 uM DSS, 5 mM calcium chloride	90% H2O/10% D2O	0.1	6.5	ambient	298
6	3D HBHA(CO)NH	1.05 mM [U-100% 13C; U-100% 15N] RrR43, 20 mM MES, 10 mM DTT, 0.02 % sodium azide, 100 mM sodium chloride, 50 uM DSS, 5 mM calcium chloride	90% H2O/10% D2O	0.1	6.5	ambient	298
7	3D HCCH-COSY	1.05 mM [U-100% 13C; U-100% 15N] RrR43, 20 mM MES, 10 mM DTT, 0.02 % sodium azide, 100 mM sodium chloride, 50 uM DSS, 5 mM calcium chloride	90% H2O/10% D2O	0.1	6.5	ambient	298
8	3D HCCH-TOCSY	1.05 mM [U-100% 13C; U-100% 15N] RrR43, 20 mM MES, 10 mM DTT, 0.02 % sodium azide, 100 mM sodium chloride, 50 uM DSS, 5 mM calcium chloride	90% H2O/10% D2O	0.1	6.5	ambient	298
9	3D CCH-TOCSY	1.05 mM [U-100% 13C; U-100% 15N] RrR43, 20 mM MES, 10 mM DTT, 0.02 % sodium azide, 100 mM sodium chloride, 50 uM DSS, 5 mM calcium chloride	90% H2O/10% D2O	0.1	6.5	ambient	298
10	3D CBCA(CO)NH	1.05 mM [U-100% 13C; U-100% 15N] RrR43, 20 mM MES, 10 mM DTT, 0.02 % sodium azide, 100 mM sodium chloride, 50 uM DSS, 5 mM calcium chloride	90% H2O/10% D2O	0.1	6.5	ambient	298
11	3D 1H-15N NOESY	1.05 mM [U-100% 13C; U-100% 15N] RrR43, 20 mM MES, 10 mM DTT, 0.02 % sodium azide, 100 mM sodium chloride, 50 uM DSS, 5 mM calcium chloride	90% H2O/10% D2O	0.1	6.5	ambient	298
12	3D 1H-13C NOESY	1.05 mM [U-100% 13C; U-100% 15N] RrR43, 20 mM MES, 10 mM DTT, 0.02 % sodium azide, 100 mM sodium chloride, 50 uM DSS, 5 mM calcium chloride	90% H2O/10% D2O	0.1	6.5	ambient	298
13	2D 1H-13C HSQC	1.15 mM [U-5% 13C; U-100% 15N] RrR43, 20 mM MES, 10 mM DTT, 0.02 % sodium azide, 100 mM sodium chloride, 50 uM DSS, 5 mM calcium chloride	90% H2O/10% D2O	0.1	6.5	ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800

NMR Refinement
Method	Details	Software
molecular dynamics		CYANA

NMR Ensemble Information
Conformer Selection Criteria	target function
Conformers Calculated Total Number	100
Conformers Submitted Total Number	20
Representative Model	1 (lowest energy)

Additional NMR Experimental Information

Details

MONOMER BY GEL FILTRATION CHROMATOGRAPHY/LIGHT SCATTERING. STRUCTURE DETERMINED BY TRIPLE RESONANCE NMR SPECTROSCOPY. NOESY ASSIGNMENTS BY CYANA2.1. 20 OF 100 STRUCTURES LOWEST TARGET FUNCTION SELECTED. MODELS ARE FURTHER REFINED USING CNS IN EXPLICIT WATER SHELL (NILGES PROTOCOL WITH PARAM19). ASSIGNMENT STATS (EXCLUDING C-TERM TAG): BACKBONE 94.7%, SIDECHAIN 93.1%, AROMATIC (SC) 100%, VL METHYL STEREOSPECIFIC 100%, UNAMBIGUOUS SIDECHAIN NH2 100%. STRUCTURE BASED ON 1727 NOE. MAX NOE VIOLATION 0.25 A (1MODEL). 6 TOTAL CLOSE CONTACTS PER 20 MODELS. STRUCTURE QUALITY FACTOR (PSVS 1.3): ORDERED RESIDUES RANGES - 6-70, 75-94 (FOR [S(PHI)+S(PSI)] > 1.8) RMSD 0.6 BB, 1.0 ALL HEAVY ATOMS. SECONDARY STRUCTURE ELEMENTS ALPHA HELICES: (17-30, 39-50, 55-59), BETA STRANDS: (7-9, 12-14, 35-36, 63-70, 76-82, 87-89). RAMA. DISTRIBUTION: 90.2/9.7/0.1/0.1. PROCHECK (PSI-PHI): -0.29/-0.83 (RAW/Z), PROCHECK (ALL): -0.22/-1.30 (RAW/Z), MOLPROBITY CLASH: 15.46/-1.13 (RAW/Z). RPF SCORES ALL ASSIGNED RESIDUES (FIT OF NOESY PEAKLISTS TO STRUCTURE): RECALL: 0.917, PRECISION: 0.895, F-MEASURE: 0.906, DP-SCORE: 0.738.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	structure solution	CYANA	2.1	Guntert, Mumenthaler and Wuthrich
2	chemical shift assignment	AutoAssign	2.4.0	Zimmerman, Moseley, Kulikowski and Montelione
3	geometry optimization	CNS		Brunger, Adams, Clore, Gros, Nilges and Read
4	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
5	validation	PSVS		Bhattacharya and Montelione
6	geometry optimization	TALOS		Cornilescu, Delaglio and Bax
7	collection	TopSpin	1.3	Bruker Biospin
8	data analysis	Sparky	3.112	Goddard
9	visualization	MOLMOL	2k2	Koradi, Billeter and Wuthrich
10	refinement	ProcheckNMR		Laskowski and MacArthur
11	validation	MolProbity		Richardson