1QR5

SOLUTION STRUCTURE OF HISTIDINE CONTAINING PROTEIN (HPR) FROM STAPHYLOCOCCUS CARNOSUS

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	NOESY	90% H2O/10 % D2O			7.14		298.00
2	DQF-COSY	90% H2O/10 % D2O			7.14		298.00
3	TOCSY	90% H2O/10 % D2O			7.14		298.00
4	NOESY-HSQC	90% H2O/10 % D2O			7.14		298.00
5	TOCSY-HSQC	90% H2O/10 % D2O			7.14		298.00
6	15N-HSQC	90% H2O/10 % D2O			7.14		298.00

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AMX-500	500
2	Bruker	DMX-800	800

NMR Refinement
Method	Details	Software
RESTRAINED MD	RESTRAINED SIMULATED ANEALING PROTOCOL. CONSTRAINTS: 1301 NOES, 523 INTRARESIDUAL (I,I), 382 INTERMEDIATE RANGE (I,I+2), 56 INTERMEDIATE RANGE (I,I+3), 31 INTERMEDIATE RANGE (I,I+4), 224 LONG RANGE (I,J; J > I+4), 78 J-COUPLINGS (3JNH-HA). STRUCTURAL STATISTICS FOR THE 30 LOWEST-ENERGY STRUCTURES (REFERENCE 1): ENERGIES: TOTAL, 190.8 +-8.4 KJ/MOL; NOE, 57.6 +- 4.6 KJ/MOL; DIHEDRAL, 35.6 +- 6.1 KJ/MOL; BOND, 8.4 +- 0.4 KJ/MOL; ANGLE, 64.0 +-2.6 KJ/MOL; VDW, 16.7 +- 2.3 KJ/MOL; IMPROPER, 8.6 +- 1.2 KJ/MOL; ELECTRIC, 35.6 +- 6.1 kJ/MOL. RMSDS: AMINO ACID 1-88 (WHOLE PROTEIN), BACKBONE ATOMS 0.093 NM, ALL NON-HYDROGEN ATOMS 0.13 NM. RMSDS: AMINO ACID 8-19 (ACTIVE CENTER), BACKBONE ATOMS 0.091 NM, ALL NON-HYDROGEN ATOMS 0.13 NM.	X-PLOR

NMR Ensemble Information
Conformer Selection Criteria	LOWEST CONFORMATIONAL ENERGY
Conformers Calculated Total Number	2300
Conformers Submitted Total Number	10
Representative Model	1 (n/a)

Additional NMR Experimental Information
Details	THE STRUCTURE WAS DETERMINED USING 15N-LABELED PROTEIN.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	X-PLOR	3.51	BRUNGER
2	structure solution	X-PLOR