1SSZ | pdb_00001ssz

Conformational Mapping of Mini-B: An N-terminal/C-terminal Construct of Surfactant Protein B Using 13C-Enhanced Fourier Transform Infrared (FTIR) Spectroscopy

INFRARED SPECTROSCOPY

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NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	FTIR	THIS STRUCTURE WAS DETERMINED USING 13-C ISOTOPE ENHANCED FTIR SPECTROSCOPY ON A FAMILY OF SELECTIVELY LABELED CHEMICALLY SYNTHESIZED PEPTIDES. 13-C CARBONYL LABELS INCLUDED RESIDUES 3,6,7,8,11,13,15,16,18,19,22,25,26,29,30.	peptide self-film solvated with hexafluoroispropanol:D20, 9:1			ambient	298

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Bruker	vector 22 FTIR

NMR Refinement
Method	Details	Software
distance geometry, simulated annealing	THE COORDINATES IN THIS ENTRY WERE GENERATED FROM 13-C INDUCED SPECTRAL SHIFTS WHICH GIVE RESIDUE-SPECIFIC SECONDARY STRUCTURE INFORMATION.	CHARMM

NMR Ensemble Information
Conformer Selection Criteria	structures with acceptable covalent geometry
Conformers Calculated Total Number	75
Conformers Submitted Total Number	10
Representative Model	1 (fewest violations)

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	data analysis	Winfirst	FTIR curve fitting software	Kauppine et al.
2	structure solution	MODELLER	6.2	Sali et al.
3	refinement	CHARMM	22	Brooks et al.