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Título

Further characterization of the photoreaction center from Ectothiorhodospira sp. detection of the H subunit by monoclonal antibodies

Autor Lefebvre, Suzie; Picorel Castaño, Rafael ; Gingras, Gabriel
Palabras clave Photoreaction center
Monoclonal antibodies
Ectothiorhodospira sp.
Fecha de publicación 1990
EditorBlackwell Publishing
Citación FEMS Microbiology Letters 65 (3): 247-252 (1990)
ResumenThe photoreaction center isolated from Ectothiorhodospira sp. is known to contain polypeptides L, M and C (a four heme c cytochrome) in a 1:1:1 molar ratio. As a test for the presence of a H subunit, Western blots of the chromatophore and photoreaction center polypeptides were reacted with a monoclonal antibody directed against the H subunit of Rhodospirillum rubrum. The chromatophores but not the isolated photoreaction center cross-reacted with this antibody. It is concluded that the H polypeptide is lost during the purification of the photoreaction center which, in its native state, therefore contains four polypeptides including a genuine H subunit.
Versión del editorhttp://dx.doi.org/10.1016/0378-1097(89)90225-5
URI http://hdl.handle.net/10261/96432
DOI10.1016/0378-1097(89)90225-5
Identificadoresdoi: 10.1016/0378-1097(89)90225-5
issn: 0378-1097
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