1977
Quantitative determination of carbamino adducts of alpha and beta chains in human adult hemoglobin in presence and absence of carbon monoxide and 2,3-diphosphoglycerate.
Matthew J, Morrow J, Wittebort R, Gurd F. Quantitative determination of carbamino adducts of alpha and beta chains in human adult hemoglobin in presence and absence of carbon monoxide and 2,3-diphosphoglycerate. Journal Of Biological Chemistry 1977, 252: 2234-2244. PMID: 14958, DOI: 10.1016/s0021-9258(17)40546-1.Peer-Reviewed Original Research
1976
Carbon 13 resonances of 13CO2 carbamino adducts of alpha and beta chains in human adult hemoglobin.
Morrow J, Matthew J, Wittebort R, Gurd F. Carbon 13 resonances of 13CO2 carbamino adducts of alpha and beta chains in human adult hemoglobin. Journal Of Biological Chemistry 1976, 251: 477-484. PMID: 1395, DOI: 10.1016/s0021-9258(17)33904-2.Peer-Reviewed Original Research
1974
CO2 Adducts of Certain Amino Acids, Peptides, and Sperm Whale Myoglobin Studied by Carbon 13 and Proton Nuclear Magnetic Resonance
Morrow J, Keim P, Gurd F. CO2 Adducts of Certain Amino Acids, Peptides, and Sperm Whale Myoglobin Studied by Carbon 13 and Proton Nuclear Magnetic Resonance. Journal Of Biological Chemistry 1974, 249: 7484-7494. PMID: 4436319, DOI: 10.1016/s0021-9258(19)81264-4.Peer-Reviewed Original ResearchConceptsNuclear magnetic resonanceAmino acidsProton nuclear magnetic resonanceDeuterium isotope effectChemical shiftsCO2 adductCertain amino acidsSperm whale myoglobinNMR measurementsMagnetic resonanceCarbon-13Fast exchangeMost amino acidsEquilibrium constantsCarbamino adductsIsotope effectWhale myoglobinStructural consequencesAdductsAcidPeptidesAccurate determinationNMRResonanceSensitive function
1973
Carbon 13 Nuclear Magnetic Resonance of Pentapeptides of Glycine Containing Central Residues of Serine, Threonine, Aspartic and Glutamic Acids, Asparagine, and Glutamine
Keim P, Vigna R, Morrow J, Marshall R, Gurd F. Carbon 13 Nuclear Magnetic Resonance of Pentapeptides of Glycine Containing Central Residues of Serine, Threonine, Aspartic and Glutamic Acids, Asparagine, and Glutamine. Journal Of Biological Chemistry 1973, 248: 7811-7818. PMID: 4750428, DOI: 10.1016/s0021-9258(19)43261-4.Peer-Reviewed Original ResearchConceptsChemical shiftsGroup protonationCarbon-13 nuclear magnetic resonanceNuclear magnetic resonance spectroscopyState of protonationSide chain groupsNuclear magnetic resonanceNatural abundance 13CAmino group protonationPK valuesCentral residuesMagnetic resonance spectroscopySpin-lattice relaxation timeAspartic acid (RGD) peptideGlutamic acid peptideΒ-carbonChain groupsResonance spectroscopyProtonationSensitive resonancePH dependenceDissociation constantsEffect of aggregationCarbon nucleiGlutamic acid