1DGQ

NMR SOLUTION STRUCTURE OF THE INSERTED DOMAIN OF HUMAN LEUKOCYTE FUNCTION ASSOCIATED ANTIGEN-1

SOLUTION NMR

---

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	3D_13C-SEPARATED_NOESY	1.2 MM NMR SAMPLE OF PURIFIED AND UNIFORMLY 15N/13C ISOTOPICALLY LABELED LFA-1 I-DOMAIN			7.2	AMBIENT	295
2	3D_15N-SEPARATED_NOESY	1.2 MM 15N UNIFORMLY LABELED SAMPLE WAS ALSO PREPARED IN THE FOLLOWING CONDITIONS THAT WERE LESS AFFECTED BY LINE BROADENING			7.3	AMBIENT	295
3	3D 15N HSQC-NOESY-HSQC 140 MS MIXING TIME	1.2 MM 15N UNIFORMLY LABELED SAMPLE WAS ALSO PREPARED IN THE FOLLOWING CONDITIONS THAT WERE LESS AFFECTED BY LINE BROADENING			7.3	AMBIENT	295

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	DMX	750
2	Bruker	DRX	600
3	Bruker	AMX	500

NMR Refinement
Method	Details	Software
TORSION ANGLE DYNAMICS SIMULATED ANNEALING	MODEL-BASED APPROACH USED TO ASSIGN NOESY SPECTRA USING EXISTING X-RAY STRUCTURES AS A MODEL. THE STRUCTURES ARE BASED ON A TOTAL OF 5656 RESTRAINTS, 2289 ARE UNIQUE NOE-DERIVED DISTANCE CONSTRAINTS, 3082 AMBIGOUS NOE-DERIVED RESTRAINTS, AND 285 DIHEDRAL ANGLE RESTRAINTS.	SANE

NMR Ensemble Information
Conformer Selection Criteria	STRUCTURES WITH ACCEPTABLE COVALENT GEOMETRY, STRUCTURES WITH FAVORABLE NON- BOND ENERGY, STRUCTURES WITH THE LEAST RESTRAINT VIOLATIONS, STRUCTURES WITH THE LOWEST ENERGY
Conformers Calculated Total Number	100
Conformers Submitted Total Number	22

Additional NMR Experimental Information
Details	NOESY MIXING TIMES OF 60 AND 100 MS FOR THE 3D 1H-15N AND 3D 1H-13C NOESY-HSQC SPECTRA. NOESY MIXING TIME OF 140 MS FOR THE 15N HSQC-NOESY-HSQC SPECTRA.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	SANE	1.0	DUGGAN
2	structure solution	DYANA	1.5	GUENTERT
3	structure solution	Amber	5.1	CASE
4	refinement	Amber	5.1	CASE