2ce0
From Proteopedia
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STRUCTURE OF OXIDIZED ARABIDOPSIS THALIANA CYTOCHROME 6A
Overview
Cytochrome c6A is a unique dithio-cytochrome present in land plants and, some green algae. Its sequence and occurrence in the thylakoid lumen, suggest that it is derived from cytochrome c6, which functions in, photosynthetic electron transfer between the cytochrome b6f complex and, photosystem I. Its known properties, however, and a strong indication that, the disulfide group is not purely structural, indicate that it has a, different, unidentified function. To help in the elucidation of this, function the crystal structure of cytochrome c6A from Arabidopsis thaliana, has been determined in the two redox states of the heme group, at, resolutions of 1.2 A (ferric) and 1.4 A (ferrous). These two structures, were virtually identical, leading to the functionally important conclusion, that the ... [(full description)]
About this Structure
2CE0 is a [Single protein] structure of sequence from [Arabidopsis thaliana] with HEC as [ligand]. Structure known Active Site: AC1. Full crystallographic information is available from [OCA].
Reference
Structure of cytochrome c6A, a novel dithio-cytochrome of Arabidopsis thaliana, and its reactivity with plastocyanin: implications for function., Marcaida MJ, Schlarb-Ridley BG, Worrall JA, Wastl J, Evans TJ, Bendall DS, Luisi BF, Howe CJ, J Mol Biol. 2006 Jul 28;360(5):968-77. Epub 2006 Jun 16. PMID:16815443
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