Gene Ontology annotation through association of InterPro records with GO terms
Annotation inferences using phylogenetic trees
Gene Ontology annotation based on UniProtKB/Swiss-Prot Subcellular Location vocabulary mapping, accompanied by conservative changes to GO terms applied by UniProt
Electronic Gene Ontology annotations created by ARBA machine learning models
SPA1, a WD-repeat protein specific to phytochrome A signal transduction.
The phytochrome A-specific signaling intermediate SPA1 interacts directly with COP1, a constitutive repressor of light signaling in Arabidopsis.
LAF1 ubiquitination by COP1 controls photomorphogenesis and is stimulated by SPA1.
The COP1-SPA1 interaction defines a critical step in phytochrome A-mediated regulation of HY5 activity.
Repression of light signaling by Arabidopsis SPA1 involves post-translational regulation of HFR1 protein accumulation.
The Arabidopsis SPA1 gene is required for circadian clock function and photoperiodic flowering.
The central coiled-coil domain and carboxyl-terminal WD-repeat domain of Arabidopsis SPA1 are responsible for mediating repression of light signaling.
Arabidopsis SPA proteins regulate photoperiodic flowering and interact with the floral inducer CONSTANS to regulate its stability.
Functional profiling reveals that only a small number of phytochrome-regulated early-response genes in Arabidopsis are necessary for optimal deetiolation.
phyA dominates in transduction of red-light signals to rapidly responding genes at the initiation of Arabidopsis seedling de-etiolation.
Characterization of Arabidopsis and rice DWD proteins and their roles as substrate receptors for CUL4-RING E3 ubiquitin ligases.
Biochemical characterization of Arabidopsis complexes containing CONSTITUTIVELY PHOTOMORPHOGENIC1 and SUPPRESSOR OF PHYA proteins in light control of plant development.
Arabidopsis cryptochrome 1 interacts with SPA1 to suppress COP1 activity in response to blue light.
Blue-light-dependent interaction of cryptochrome 1 with SPA1 defines a dynamic signaling mechanism.
Blue light-dependent interaction of CRY2 with SPA1 regulates COP1 activity and floral initiation in Arabidopsis.
Plastids are major regulators of light signaling in Arabidopsis.
Degradation of Arabidopsis CRY2 is regulated by SPA proteins and phytochrome A.
High-level expression and phosphorylation of phytochrome B modulates flowering time in Arabidopsis.
Falcon/Edison deep research report: SPA1
Direct phosphorylation of HY5 by SPA kinases to regulate photomorphogenesis in Arabidopsis.
The phosphorylation of carboxyl-terminal eIF2α by SPA kinases contributes to enhanced translation efficiency during photomorphogenesis.
Arabidopsis CULLIN4-damaged DNA binding protein 1 interacts with CONSTITUTIVELY PHOTOMORPHOGENIC1-SUPPRESSOR OF PHYA complexes to regulate photomorphogenesis and flowering time.
Light-activated phytochrome A and B interact with members of the SPA family to promote photomorphogenesis in Arabidopsis by reorganizing the COP1/SPA complex.
Red-light-dependent interaction of phyB with SPA1 promotes COP1-SPA1 dissociation and photomorphogenic development in Arabidopsis.
CUL4 forms an E3 ligase with COP1 and SPA to promote light-induced degradation of PIF1.
A phyB-PIF1-SPA1 kinase regulatory complex promotes photomorphogenesis in Arabidopsis.
Mutations in the N-terminal kinase-like domain of the repressor of photomorphogenesis SPA1 severely impair SPA1 function but not light responsiveness in Arabidopsis.
PHYTOCHROME INTERACTING FACTOR1 Enhances the E3 Ligase Activity of CONSTITUTIVE PHOTOMORPHOGENIC1 to Synergistically Repress Photomorphogenesis in Arabidopsis.
The blue light-induced interaction of cryptochrome 1 with COP1 requires SPA proteins during Arabidopsis light signaling.
The SPA1-like proteins SPA3 and SPA4 repress photomorphogenesis in the light.