Over or under: hydride attack at the metal versus the coordinated nitrosyl ligand in ferric nitrosyl porphyrins.

Abucayon, E G; Khade, R L; Powell, D R; Shaw, M J; Zhang, Y; Richter-Addo, G B

Abucayon, E G; Khade, R L; Powell, D R; Shaw, M J; Zhang, Y; Richter-Addo, G B.

Afiliação

Abucayon EG; Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, USA. grichteraddo@ou.edu.
Khade RL; Department of Biomedical Engineering, Chemistry and Biological Sciences, Stevens Institute of Technology, Castle Point on Hudson, Hoboken, New Jersey 07030, USA. yong.zhang@stevens.edu.
Powell DR; Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, USA. grichteraddo@ou.edu.
Shaw MJ; Department of Chemistry, Southern Illinois University Edwardsville, Edwardsville, Illinois 62025, USA.
Zhang Y; Department of Biomedical Engineering, Chemistry and Biological Sciences, Stevens Institute of Technology, Castle Point on Hudson, Hoboken, New Jersey 07030, USA. yong.zhang@stevens.edu.
Richter-Addo GB; Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019, USA. grichteraddo@ou.edu.

Dalton Trans ; 45(45): 18259-18266, 2016 Nov 15.

Article em En | MEDLINE | ID: mdl-27801456

ABSTRACT

ABSTRACT

Hydride attack at a ferric heme-NO to give an Fe-HNO intermediate is a key step in the global N-cycle. We demonstrate differential reactivity when six- and five-coordinate ferric heme-NO models react with hydride. Although Fe-HNO formation is thermodynamically favored from this reaction, Fe-H formation is kinetically favored for the 5C case.

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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Dalton Trans Assunto da revista: QUIMICA Ano de publicação: 2016 Tipo de documento: Article País de afiliação: Estados Unidos

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