3ZG4

NMR structure of the catalytic domain from E. faecium L,D- transpeptidase

SOLUTION NMR

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	1H-15N-HSQC	10% WATER/90% D2O		300 mM	6.4	1.0 atm	298.0
2	1H-13C-HSQC CENTERED ON ALIPHATICS	10% WATER/90% D2O		300 mM	6.4	1.0 atm	298.0
3	1H-15N-HMQC DETECTING 2J	10% WATER/90% D2O		300 mM	6.4	1.0 atm	298.0
4	3J COUPLINGS IN HISTIDINES IMIDAZOLE RING	10% WATER/90% D2O		300 mM	6.4	1.0 atm	298.0
5	1H-15N-HSQC DETECTING 1J COUPLING IN HISTIDINES IMIDAZOLE RING	10% WATER/90% D2O		300 mM	6.4	1.0 atm	298.0
6	3D-15N- NOESY-HSQC	10% WATER/90% D2O		300 mM	6.4	1.0 atm	298.0
7	HNCO	10% WATER/90% D2O		300 mM	6.4	1.0 atm	298.0
8	3D-13C- NOESY-HSQC CENTERED ON ALIPHATICS	10% WATER/90% D2O		300 mM	6.4	1.0 atm	298.0
9	1H-13C-HSQC CENTERED ON AROMATICS	10% WATER/90% D2O		300 mM	6.4	1.0 atm	298.0
10	3D- 13C-NOESY-HSQC CENTERED ON AROMATICS	10% WATER/90% D2O		300 mM	6.4	1.0 atm	298.0

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	Direct Drive	800
2	Varian		600
3	Varian		600
4	Varian		600
5	Varian		600
6	Varian		950
7	Bruker		800

NMR Refinement
Method	Details	Software
ARIA2.3	REFINEMENT IN WATER AFTER 8 ITERATIONS	CNS

NMR Ensemble Information
Conformer Selection Criteria	TOTAL ENERGY
Conformers Calculated Total Number	1700
Conformers Submitted Total Number	20
Representative Model	1 (n/a)

Additional NMR Experimental Information
Details	THE 20 NMR STRUCTURES WERE DETERMINED USING TRIPLE- RESONANCE NMR SPECTROSCOPY ON A 13C, 15N-LABELED LDTFM SAMPLE. THESE STRUCTURES WERE REFINED IN WATER USING CNS1.2

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	CNS		BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,READ, RICE,SIMONSON,WARREN
2	structure solution	UNIO	10
3	structure solution	TALOS
4	structure solution	CcpNmr Analysis	ANALYSIS