Phototropin is a plant blue-light receptor protein, exemplified by Avena sativa PHOT1/NPH1, that contains two FMN-binding LOV domains and a C-terminal serine/threonine kinase domain. It acts as a light-activated kinase in which LOV2-mediated conformational changes are coupled to kinase activation and signaling.
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Mechanism Concept
autophosphorylation
A mechanism-level grouping derived from the current toolkit evidence. Current coverage includes 0 architectures and 2 components. Across those tools, the main enabled capabilities are signaling. Representative components include PHOT1a N-terminus upstream of LOV1 and phototropin.
2 total items0 architectures2 components
Main enabled capabilities: signaling.
Components
2 of 2The PHOT1a N-terminus upstream of LOV1 is a region of Avena sativa phototropin 1a identified as an autophosphorylation region. Available evidence localizes phosphorylation activity to this segment but does not describe an engineered output or standalone tool function.