PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8784177-1 1996 The spin-lattice relaxation times (T1) of the pheophytin anion radical, Pheo-, of the PSII reaction center, were measured between 5 and 80 K by electron spin-echo spectroscopy. pheo 72-76 spindlin 1 Homo sapiens 4-8 8784177-5 1996 In Mn-depleted PSII membranes the high-spin (S = 2) non-heme iron, enhances the spin-lattice relaxation of Pheo-. pheo 107-111 spindlin 1 Homo sapiens 39-43 8784177-5 1996 In Mn-depleted PSII membranes the high-spin (S = 2) non-heme iron, enhances the spin-lattice relaxation of Pheo-. pheo 107-111 spindlin 1 Homo sapiens 80-84