Genomics
Genome feature
| Region: |
gene
|
Length: |
5660
 |
| Location: | Chr1:3095160-3100819 reverse strand | ||
Overlapping Features
Genome features that overlap coordinates of this Gene
Proteins
Curated comments from UniProt
| Type | Comment | Proteins |
|---|---|---|
| PHYA_ARATH PHYA_ARATH-2 | developmental stage | Accumulates progressively in maturating seeds to reach a peak in dry seeds (PubMed:23708772). Expressed upon seed imbibition (PubMed:23708772). |
| A0A1P8AVD9_ARATH | function | Regulatory photoreceptor which exists in two forms that are reversibly interconvertible by light: the Pr form that absorbs maximally in the red region of the spectrum and the Pfr form that absorbs maximally in the far-red region. |
| PHYA_ARATH PHYA_ARATH-2 | function | Regulatory photoreceptor which exists in two forms that are reversibly interconvertible by light: the Pr form that absorbs maximally in the red region of the spectrum and the Pfr form that absorbs maximally in the far-red region. Photoconversion of Pr to Pfr induces an array of morphogenetic responses, whereas reconversion of Pfr to Pr cancels the induction of those responses. Pfr controls the expression of a number of nuclear genes including those encoding the small subunit of ribulose-bisphosphate carboxylase, chlorophyll A/B binding protein, protochlorophyllide reductase, rRNA, etc. It also controls the expression of its own gene(s) in a negative feedback fashion. Involved in the flowering time regulation. Can phosphorylate FHY1 and, possibly, FHL, in red light conditions; this inactivates their co-shuttling to the nucleus (PubMed:19208901). Regulates phototropic responses both in the nucleus (e.g. hypocotyl elongation and cotyledon opening under high-irradiance conditions and seed germination under very-low-fluence conditions) and in the cytoplasm (e.g. negative gravitropism in blue light and red-enhanced phototropism) (PubMed:17566111). Promotes seed germination, suppression of hypocotyl elongation, and randomization of hypocotyl growth orientation in far-red light; these responses to far-red light are repressed by UNE10/PIF8 (PubMed:31732705). Stabilizes UNE10/PIF8 but sequesters PIF3/PAP3 from its target genes promoters in far-red light (PubMed:31732705). |
| A0A1P8AVD9_ARATH PHYA_ARATH PHYA_ARATH-2 | similarity | Belongs to the phytochrome family. |
| PHYA_ARATH PHYA_ARATH-2 | subcellular location | Cytoplasmic in darkness, but translocated to the nucleus upon illumination, when associated with PAPP5 into speckles. |
| PHYA_ARATH PHYA_ARATH-2 | tissue specificity | Expressed in fruits, flowers, leaves, stems, seedlings and roots. |
Function
Gene Ontology
| cellular component | |
|---|---|
|
nucleus
|
ECO |
|
nuclear body
|
ECO |
|
nuclear speck
|
ECO |
|
cytoplasm
|
ECO |
| molecular function | |
|
red or far-red light photoreceptor activity
|
ECO |
|
phosphorelay sensor kinase activity
|
ECO |
|
identical protein binding
|
ECO |
|
mRNA binding
|
ECO |
|
protein kinase activity
|
ECO |
|
protein homodimerization activity
|
ECO |
|
far-red light photoreceptor activity
|
ECO |
| biological process | |
|
response to continuous far red light stimulus by the high-irradiance response system
|
ECO |
|
regulation of DNA-templated transcription
|
ECO |
|
phototropism
|
ECO |
|
negative regulation of translation
|
ECO |
|
response to cold
|
ECO |
|
gravitropism
|
ECO |
|
response to far red light
|
ECO |
|
detection of visible light
|
ECO |
|
response to very low fluence red light stimulus
|
ECO |
|
protein-tetrapyrrole linkage
|
ECO |
|
response to arsenic-containing substance
|
ECO |
|
photomorphogenesis
|
ECO |
|
red light signaling pathway
|
ECO |
Interactions
Interaction Network
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