Investigations of the chemical and spectroscopic properties of the Mn-metalloprotein complex responsible for photosynthetic oxygen evolution

John E. Sheats; R. Spruck; T. Babcock; R. Ponticiello; J. Shagam; G Charles Dismukes; B. C. Unni-Nair; R. S. Czernuszewicz; J. A. Smegal; M. Baumgarten; S. Artandi

Investigations of the chemical and spectroscopic properties of the Mn-metalloprotein complex responsible for photosynthetic oxygen evolution

John E. Sheats, R. Spruck, T. Babcock, R. Ponticiello, J. Shagam, G Charles Dismukes, B. C. Unni-Nair, R. S. Czernuszewicz, J. A. Smegal, M. Baumgarten, S. Artandi

Rutgers University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This work has shown that binuclear and higher manganese clusters can bind water molecules reversibly and deprotonate them to form oxo bridges. Successively higher oxidation states may be stabilized by additional oxo-bridges. One can speculate that when the capacity for oxidation of the cluster is exceeded, oxygen is evolved and the whole process can begin again. This almost certainly is what is happening in the Mn-enzyme.

Original language	English
Title of host publication	Polymeric Materials Science and Engineering, Proceedings of the ACS Division of Polymeric Materials Science and Engineering
Publisher	Publ by ACS
Pages	119-123
Number of pages	5
Volume	61
Publication status	Published - 1989
Event	Proceedings of the ACS Division of Polymeric Materials: Science and Engineering - Miami Beach, FL, USA Duration: Sep 11 1989 → Sep 18 1989

Other

Other	Proceedings of the ACS Division of Polymeric Materials: Science and Engineering
City	Miami Beach, FL, USA
Period	9/11/89 → 9/18/89

ASJC Scopus subject areas

Chemical Engineering (miscellaneous)
Polymers and Plastics

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Sheats, J. E., Spruck, R., Babcock, T., Ponticiello, R., Shagam, J., Dismukes, G. C., Unni-Nair, B. C., Czernuszewicz, R. S., Smegal, J. A., Baumgarten, M., & Artandi, S. (1989). Investigations of the chemical and spectroscopic properties of the Mn-metalloprotein complex responsible for photosynthetic oxygen evolution. In Polymeric Materials Science and Engineering, Proceedings of the ACS Division of Polymeric Materials Science and Engineering (Vol. 61, pp. 119-123). Publ by ACS.

Investigations of the chemical and spectroscopic properties of the Mn-metalloprotein complex responsible for photosynthetic oxygen evolution. / Sheats, John E.; Spruck, R.; Babcock, T.; Ponticiello, R.; Shagam, J.; Dismukes, G Charles; Unni-Nair, B. C.; Czernuszewicz, R. S.; Smegal, J. A.; Baumgarten, M.; Artandi, S.

Polymeric Materials Science and Engineering, Proceedings of the ACS Division of Polymeric Materials Science and Engineering. Vol. 61 Publ by ACS, 1989. p. 119-123.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Sheats, JE, Spruck, R, Babcock, T, Ponticiello, R, Shagam, J, Dismukes, GC, Unni-Nair, BC, Czernuszewicz, RS, Smegal, JA, Baumgarten, M & Artandi, S 1989, Investigations of the chemical and spectroscopic properties of the Mn-metalloprotein complex responsible for photosynthetic oxygen evolution. in Polymeric Materials Science and Engineering, Proceedings of the ACS Division of Polymeric Materials Science and Engineering. vol. 61, Publ by ACS, pp. 119-123, Proceedings of the ACS Division of Polymeric Materials: Science and Engineering, Miami Beach, FL, USA, 9/11/89.

Sheats JE, Spruck R, Babcock T, Ponticiello R, Shagam J, Dismukes GC et al. Investigations of the chemical and spectroscopic properties of the Mn-metalloprotein complex responsible for photosynthetic oxygen evolution. In Polymeric Materials Science and Engineering, Proceedings of the ACS Division of Polymeric Materials Science and Engineering. Vol. 61. Publ by ACS. 1989. p. 119-123

Sheats, John E. ; Spruck, R. ; Babcock, T. ; Ponticiello, R. ; Shagam, J. ; Dismukes, G Charles ; Unni-Nair, B. C. ; Czernuszewicz, R. S. ; Smegal, J. A. ; Baumgarten, M. ; Artandi, S. / Investigations of the chemical and spectroscopic properties of the Mn-metalloprotein complex responsible for photosynthetic oxygen evolution. Polymeric Materials Science and Engineering, Proceedings of the ACS Division of Polymeric Materials Science and Engineering. Vol. 61 Publ by ACS, 1989. pp. 119-123

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abstract = "This work has shown that binuclear and higher manganese clusters can bind water molecules reversibly and deprotonate them to form oxo bridges. Successively higher oxidation states may be stabilized by additional oxo-bridges. One can speculate that when the capacity for oxidation of the cluster is exceeded, oxygen is evolved and the whole process can begin again. This almost certainly is what is happening in the Mn-enzyme.",

author = "Sheats, {John E.} and R. Spruck and T. Babcock and R. Ponticiello and J. Shagam and Dismukes, {G Charles} and Unni-Nair, {B. C.} and Czernuszewicz, {R. S.} and Smegal, {J. A.} and M. Baumgarten and S. Artandi",

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AU - Sheats, John E.

AU - Spruck, R.

AU - Babcock, T.

AU - Ponticiello, R.

AU - Shagam, J.

AU - Dismukes, G Charles

AU - Unni-Nair, B. C.

AU - Czernuszewicz, R. S.

AU - Smegal, J. A.

AU - Baumgarten, M.

AU - Artandi, S.

PY - 1989

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N2 - This work has shown that binuclear and higher manganese clusters can bind water molecules reversibly and deprotonate them to form oxo bridges. Successively higher oxidation states may be stabilized by additional oxo-bridges. One can speculate that when the capacity for oxidation of the cluster is exceeded, oxygen is evolved and the whole process can begin again. This almost certainly is what is happening in the Mn-enzyme.

AB - This work has shown that binuclear and higher manganese clusters can bind water molecules reversibly and deprotonate them to form oxo bridges. Successively higher oxidation states may be stabilized by additional oxo-bridges. One can speculate that when the capacity for oxidation of the cluster is exceeded, oxygen is evolved and the whole process can begin again. This almost certainly is what is happening in the Mn-enzyme.

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M3 - Conference contribution

AN - SCOPUS:0024941898

VL - 61

SP - 119

EP - 123

BT - Polymeric Materials Science and Engineering, Proceedings of the ACS Division of Polymeric Materials Science and Engineering

PB - Publ by ACS

T2 - Proceedings of the ACS Division of Polymeric Materials: Science and Engineering

Y2 - 11 September 1989 through 18 September 1989

ER -

Investigations of the chemical and spectroscopic properties of the Mn-metalloprotein complex responsible for photosynthetic oxygen evolution

Abstract

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ASJC Scopus subject areas

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