Egmond M R, Slotboom A J, De Haas G H, Dijkstra K, Kaptein R
Biochim Biophys Acta. 1980 Jun 26;623(2):461-6. doi: 10.1016/0005-2795(80)90276-7.
Proton-NMR resonances of trytophan 3 and tyrosine 69 in bovine pancreatic phospholipase A2, its pro-enzyme and in Ala1-transaminated protein were assigned using photochemically-induced dynamic nuclear polarization (photo-CIDNP) as such or in combination with spin-echo measurements. In addition assignments were made by suppression of cross-relaxation effects using short (0.1 s) high-power laser pulses.
