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Reduction of the Mn cluster of the water-oxidizing enzyme by nitric oxide: formation of an S(-2) state.
Schansker G, Goussias C, Petrouleas V, Rutherford AW. Schansker G, et al. Among authors: petrouleas v. Biochemistry. 2002 Mar 5;41(9):3057-64. doi: 10.1021/bi015903z. Biochemistry. 2002. PMID: 11863444
The state formed gives rise to an S = 1/2 multiline EPR signal [Goussias, Ch., Ioannidis, N., and Petrouleas, V. (1997) Biochemistry 36, 9261] that is attributed to a Mn(II)- Mn(III) dimer [Sarrou, J., Ioannidis, N., Deligiannakis, Y., and Petrouleas, V …
The state formed gives rise to an S = 1/2 multiline EPR signal [Goussias, Ch., Ioannidis, N., and Petrouleas, V. (1997) Bioche …
NO interacts with the tyrosine radical Y(D). of photosystem II to form an iminoxyl radical.
Sanakis Y, Goussias C, Mason RP, Petrouleas V. Sanakis Y, et al. Among authors: petrouleas v. Biochemistry. 1997 Feb 11;36(6):1411-7. doi: 10.1021/bi9622074. Biochemistry. 1997. PMID: 9063889
., presumably due to the formation of a weak Tyr Y(D).-NO complex [Petrouleas, V., & Diner, B. A. (1990) Biochim. Biophys. Acta 1015, 131-140]. ...
., presumably due to the formation of a weak Tyr Y(D).-NO complex [Petrouleas, V., & Diner, B. A. (1990) Biochim. Biophys. …
NO reversibly reduces the water-oxidizing complex of photosystem II through S0 and S-1 to the state characterized by the Mn(II)-Mn(III) multiline EPR signal.
Ioannidis N, Sarrou J, Schansker G, Petrouleas V. Ioannidis N, et al. Among authors: petrouleas v. Biochemistry. 1998 Nov 24;37(47):16445-51. doi: 10.1021/bi981724e. Biochemistry. 1998. PMID: 9843409
Incubation of photosystem II preparations with NO at -30 degreesC results in the slow formation of a unique state of the water-oxidizing complex (WOC), which was recently identified as a Mn(II)-Mn(III) dimer [Sarrou, J., Ioannidis, N., Deligiannakis, Y., and Petrouleas, …
Incubation of photosystem II preparations with NO at -30 degreesC results in the slow formation of a unique state of the water-oxidizing com …
A Mn(II)-Mn(III) EPR signal arises from the interaction of NO with the S1 state of the water-oxidizing complex of photosystem II.
Sarrou J, Ioannidis N, Deligiannakis Y, Petrouleas V. Sarrou J, et al. Among authors: petrouleas v. Biochemistry. 1998 Mar 17;37(11):3581-7. doi: 10.1021/bi972828c. Biochemistry. 1998. PMID: 9530284
It was shown recently [Goussias, C., Ioannidis, N., and Petrouleas, V. (1997) Biochemistry 36, 9261-9266] that incubation of photosystem II preparations with NO at -30 degrees C in the dark results in the formation of a new intermediate of the water-oxidizing comple …
It was shown recently [Goussias, C., Ioannidis, N., and Petrouleas, V. (1997) Biochemistry 36, 9261-9266] that incubation of p …
Decay products of the S(3) state of the oxygen-evolving complex of photosystem II at cryogenic temperatures. Pathways to the formation of the S = 7/2 S(2) state configuration.
Ioannidis N, Petrouleas V. Ioannidis N, et al. Among authors: petrouleas v. Biochemistry. 2002 Jul 30;41(30):9580-8. doi: 10.1021/bi0159938. Biochemistry. 2002. PMID: 12135380
Excitation of the S(3) state by near-IR light at cryogenic temperatures induces among other signals a derivative-shaped EPR signal at g= 5 [Ioannidis, N., and Petrouleas, V. (2000) Biochemistry 39, 5246-5254]. The signal bears unexpected similarities to a signal obs …
Excitation of the S(3) state by near-IR light at cryogenic temperatures induces among other signals a derivative-shaped EPR signal at g= 5 [ …
32 results