Thallium-205 nuclear magnetic resonance study of the thallium(I)-gramicidin A association in trifluoroethanol
Journal Article
·
· Biochemistry; (United States)
OSTI ID:5433186
Association of the thallous ion with gramicidin in 2,2,2-trifluoroethanol has been investigated by thallium-205 NMR spectroscopy. The data obtained suggest that the gramicidin dimer has two strong binding sites and one or more weak binding sites. Association constants for the strong binding sites were found to have the same value. From the temperature dependence of the strong binding site association constants, values for the association enthalpy and entropy of -2.13 +/- 0.12 kcal/mol and +5.45 +/- 0.04 eu, respectively, were obtained.
- Research Organization:
- Univ. of Arkansas, Fayetteville
- OSTI ID:
- 5433186
- Journal Information:
- Biochemistry; (United States), Journal Name: Biochemistry; (United States) Vol. 21:4; ISSN BICHA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Thallous ion interaction with gramicidin incorporated in micelles studies by thallium-205 nuclear magnetic resonance
Thallium-205 NMR determination of the thermodynamic parameters for the binding of monovalent and divalent cations to gramicidin A and C incorporated into model phospholipid membranes: An equilibrium study
Studies of hydrogen bonding in the vapor phase by measurement of thermal conductivity and molecular orbital calculations, 2,2,2-trifluoroethanol
Journal Article
·
Mon Feb 15 23:00:00 EST 1982
· Biochemistry; (United States)
·
OSTI ID:5530319
Thallium-205 NMR determination of the thermodynamic parameters for the binding of monovalent and divalent cations to gramicidin A and C incorporated into model phospholipid membranes: An equilibrium study
Thesis/Dissertation
·
Wed Dec 31 23:00:00 EST 1986
·
OSTI ID:5547692
Studies of hydrogen bonding in the vapor phase by measurement of thermal conductivity and molecular orbital calculations, 2,2,2-trifluoroethanol
Journal Article
·
Tue Jan 03 23:00:00 EST 1978
· J. Am. Chem. Soc.; (United States)
·
OSTI ID:5308075
Related Subjects
550201* -- Biochemistry-- Tracer Techniques
59 BASIC BIOLOGICAL SCIENCES
ALCOHOLS
ANTI-INFECTIVE AGENTS
ANTIBIOTICS
CHARGED PARTICLES
CHEMICAL BONDS
DRUGS
ENTHALPY
ENTROPY
HEAVY NUCLEI
HYDROXY COMPOUNDS
IONS
ISOTOPES
MAGNETIC RESONANCE
NUCLEAR MAGNETIC RESONANCE
NUCLEI
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
PEPTIDES
PHYSICAL PROPERTIES
POLYPEPTIDES
PROTEINS
RESONANCE
STABLE ISOTOPES
STRUCTURAL CHEMICAL ANALYSIS
TEMPERATURE DEPENDENCE
THALLIUM 205
THALLIUM IONS
THALLIUM ISOTOPES
THERMODYNAMIC PROPERTIES
59 BASIC BIOLOGICAL SCIENCES
ALCOHOLS
ANTI-INFECTIVE AGENTS
ANTIBIOTICS
CHARGED PARTICLES
CHEMICAL BONDS
DRUGS
ENTHALPY
ENTROPY
HEAVY NUCLEI
HYDROXY COMPOUNDS
IONS
ISOTOPES
MAGNETIC RESONANCE
NUCLEAR MAGNETIC RESONANCE
NUCLEI
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
ORGANIC FLUORINE COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
PEPTIDES
PHYSICAL PROPERTIES
POLYPEPTIDES
PROTEINS
RESONANCE
STABLE ISOTOPES
STRUCTURAL CHEMICAL ANALYSIS
TEMPERATURE DEPENDENCE
THALLIUM 205
THALLIUM IONS
THALLIUM ISOTOPES
THERMODYNAMIC PROPERTIES