2HMR | pdb_00002hmr

Solution structure of reduced interstrand cross-link arising from S-alpha-methyl-gamma-OH-1,N2-propano-2'-deoxyguanosine in the 5'-CpG-3' DNA sequence

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D NOESY	2mM in 0.25 mL; 10 mM NaH2PO4; 0.1 M NaCl; 50 uM Na2EDTA	99.996% D2O	0.1M NaCl	7.0	1 atm	303
2	DQF-COSY	2mM in 0.25 mL; 10 mM NaH2PO4; 0.1 M NaCl; 50 uM Na2EDTA	99.996% D2O	0.1M NaCl	7.0	1 atm	303
3	2D TOCSY	2mM in 0.25 mL; 10 mM NaH2PO4; 0.1 M NaCl; 50 uM Na2EDTA	99.996% D2O	0.1M NaCl	7.0	1 atm	303
4	2D NOESY	2mM in 0.25 mL; 10 mM NaH2PO4; 0.1 M NaCl; 50 uM Na2EDTA	9:1 H2O:D2O	0.1M NaCl	7.0	1 atm	286

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AVANCE	800
2	Bruker	AVANCE	600
3	Bruker	AVANCE	500

NMR Refinement
Method	Details	Software
distance geometry simulated annealing molecular dynamics matrix relaxation		XwinNMR

NMR Ensemble Information
Conformer Selection Criteria	back calculated data agree with experimental NOESY spectrum
Conformers Calculated Total Number	10
Conformers Submitted Total Number	1
Representative Model	10 (minimized average structure)

Additional NMR Experimental Information
Details	This structure was determined using standard 2D homonuclear techniques.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	processing	XwinNMR	3.5	Bruker
2	processing	NMRPipe	2.3	Delaglio F et al.
3	data analysis	Felix	2000	Accelrys, Inc.
4	iterative matrix relaxation	MARDIGRAS	5.2.1	Borgias, B.A. et al.
5	refinement	Amber	8.0	Case et al
6	data analysis	CORMA	5.2	Keepers JW et al.