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Gene : PHOT2 A. thaliana

DB identifier  ? AT5G58140 Secondary Identifier  ? locus:2155821
Name  ? phototropin 2 Brief Description  phototropin 2
TAIR Computational Description  phototropin 2;(source:Araport11)
TAIR Curator Summary  Membrane-bound protein serine/threonine kinase that functions as blue light photoreceptor in redundancy with PHO1. Involved in stomatal opening, chloroplast movement and phototropism. Mediates blue light-induced growth enhancements. PHOT1 and PHOT2 mediate blue light-dependent activation of the plasma membrane H+-ATPase in guard cell protoplasts. PHOT2 possesses two LOV (LOV1 and LOV2, for light-oxygen-voltage-sensing) domains involved in FMN-binding and a C-terminus forming a serine/threonine kinase domain. LOV2 acts as an inhibitor of phototropin kinase in the dark, and light cancels the inhibition through cysteine-FMN adduct formation. LOV1 in contrast acts as an attenuator of photoactivation. Localized to the Golgi apparatus under the induction of blue light. The mRNA is cell-to-cell mobile.
TAIR Short Description  phototropin 2
TAIR Aliases  AtPHOT2, NPL1, PHOT2

42 Gene Rifs

1 Organism

140 Publications

0 Synonyms


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41 Child Features

1 Cross References

1 Downstream Intergenic Region

0 Located Features

1 Upstream Intergenic Region


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4 Proteins


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9 Data Sets