Experiment: 1IOJ

SOLUTION NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D-NOESY	5.8 mM native apoC-I, 90%H2O/10%D2O, 232 mM SDS-D25	90% H2O/10% D2O		4.8		323
2	2D-TOCSY	5 mM selectively 15N-labeled synthetic apoC-I, 90%H2O/10%D2O, 200 mM SDS-D25	90% H2O/10% D2O		4.8		323
3	DQF-COSY	5 mM selectively 15N-labeled synthetic apoC-I, 90%H2O/10%D2O, 200 mM SDS-D25	90% H2O/10% D2O		4.8		323
4	2D-15N-FILTERED NOESY	5 mM selectively 15N-labeled synthetic apoC-I, 90%H2O/10%D2O, 200 mM SDS-D25	90% H2O/10% D2O		4.8		323
5	2D-15N-FILTERED TOCSY	5 mM selectively 15N-labeled synthetic apoC-I, 90%H2O/10%D2O, 200 mM SDS-D25	90% H2O/10% D2O		4.8		323
6	2D 1H-15N HSQC	5 mM selectively 15N-labeled synthetic apoC-I, 90%H2O/10%D2O, 200 mM SDS-D25	90% H2O/10% D2O		4.8		323
7	3D-NOESY-HSQC	5 mM selectively 15N-labeled synthetic apoC-I, 90%H2O/10%D2O, 200 mM SDS-D25	90% H2O/10% D2O		4.8		323
8	3D-TOCSY-HSQC	5 mM selectively 15N-labeled synthetic apoC-I, 90%H2O/10%D2O, 200 mM SDS-D25	90% H2O/10% D2O		4.8		323
9	2D-NOESY	5 mM selectively 15N-labeled synthetic apoC-I, 90%H2O/10%D2O, 200 mM SDS-D25	90% H2O/10% D2O		4.8		323

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	AMX 600	600

NMR Refinement
Method	Details	Software
DISTANCE GEOMETRY AND SIMULATED ANNEALING	THE STRUCTURE OF APOC-I(1-38) IN THE PRESENCE OF SODIUM DODECYL SULFATE WAS REFINED USING 685 NOE-BASED DISTANCE RESTRAINTS. NO DIHEDRAL RESTRAINTS AND NO H-BOND RESTRAINTS WERE USED. THIS ENTRY CONTAINS 18 ACCEPTED OUT OF 50 CALCULATED STRUCTURES. STRUCTURE CALCULATIONS WERE PERFORMED WITH THE PROGRAMS DGII AND DISCOVER INCLUDING DISTANCE GEOMETRY CALCULATIONS, SIMULATED ANNEALING AND ENERGY MINIMIZATION WITH A CONJUGATED GRADIENT. THE CVFF FORCEFIELD WAS USED. ALL FORMAL CHARGES WERE SWITCHED OFF. THE DIELECTRIC CONSTANT WAS SET TO 1. THE LENNARD-JONES POTENTIAL WAS USED FOR NON-BOND INTERACTIONS (CUTOFF 12A). FOR DETAILS ON STRUCTURE CALCULATION, RMSDS AND FINAL ENERGIES PLEASE SEE REFERENCE CITED UNDER "JRNL".	DGII, DISCOVER

NMR Ensemble Information
Conformer Selection Criteria	SELECTED STRUCTURES HAVE NO HELIX-HELIX CONTACTS <5 ANGSTROMS
Conformers Calculated Total Number	50
Conformers Submitted Total Number	18
Representative Model	15 (n/a)

Additional NMR Experimental Information
Details	USING WATERGATE FOR WATER SUPPRESSION, 2D-TOCSY USING MLEV-17 FOR MIXING, 3D-TOCSY USING DIPSY-2RC FOR MIXING. 15N-FILTERED NOESY AND TOCSY INCLUDE DIFFERENCE (SHOWING ONLY 15N LABELED RESIDUES) AND SUM SPECTRA (SHOWING ONLY UNLABELED RESIDUES).

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	refinement	DGII, DISCOVER	DISCOVER	MOLECULAR SIMULATIONS INC, SAN DIEGO
2	structure solution	DGII AND DISCOVER	DISCOVER	MOLECULAR SIMULATIONS INC, SAN DIEGO

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.