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SPX1

Gene
SPX1
Protein
SPX domain-containing protein 1
Organism
Oryza sativa subsp. indica
Length
295 amino acids
Function
Plays a positive role in plant adaptation to phosphate starvation.
Mass
33.122 kDa
Sequence
MKFGKSLSSQIVETLPEWRDKFLSYKDLKKRLKLIGGGGGGEERQAKRARVAADGGEEEAAAAAMTPEEAGFMRLLEAELDKFNSFFVEKEEEYIIRQKELQDRVARAAGRESKEELMRVRKEIVDFHGEMVLLENYSALNYTGLVKILKKYDKRTGALIRLPFIQKVLQQPFFTTDLLYKLVKQCEAMLDQLLPSNELPVSSEDGRGDSTNEDKPSNPSSSLVNGGTIPELDEIEYMESMYMKGTVAALRSLKEIRSGSSTVSAFSLPPLQGDSSPEEQQELWNKIPVIEQAAK

Gene
SPX1
Protein
SPX domain-containing protein 1
Organism
Oryza sativa subsp. japonica
Length
295 amino acids
Function
Involved in plant adaptation to phosphate starvation (PubMed:19000161). Inhibits PHR2 DNA-binding activity via a Pi-dependent protein interaction (PubMed:25271318). Suppresses the regulation on expression of PT2 by PHR2 and accumulation of shoot Pi (PubMed:20149131). Optimizes growth under phosphate-limited conditions through a negative feedback loop of the PSI (phosphate starvation-induced) signaling pathway (PubMed:19000161, PubMed:20149131). Regulates the expression of SPX2, SPX3 and SPX5 (PubMed:19566645). May be an important link between signal transduction pathways related to phosphate starvation and cold stress (PubMed:19000161).
Mass
33.112 kDa
Sequence
MKFGKSLSSQIVETLPEWRDKFLSYKDLKKRLKLIGGGGGGEERQAKRARVAADGGEEEAAAAAMTPEEAGFMRLLEAELDKFNSFFVEKEEEYIIRQKELQDRVARAAGRESKEELMRVRKEIVDFHGEMVLLENYSALNYTGLVKILKKYDKRTGALIRLPFIQKVLQQPFFTTDLLYKLVKQCEAMLDQLLPSNELSVSSEDGRGDSTNEDKPSNPSSSLVNGGTIPELDEIEYMESMYMKGTVAALRSLKEIRSGSSTVSAFSLPPLQGDSSPEEQQELWNKIPVIEQAAK

Gene
SPX1
Protein
SPX domain-containing protein 1
Organism
Arabidopsis thaliana
Length
256 amino acids
Function
Plays a positive role in plant adaptation to phosphate starvation (PubMed:18315545). Inhibits PHR1 DNA-binding activity in a Pi-dependent manner (PubMed:25271326).
Mass
30.073 kDa
Sequence
MKFGKSLSNQIEQTLPEWQDKFLSYKELKKRLKLIGSKTADRPVKRLRLDEFSVGISKEEINFIQLLEDELEKFNNFFVEKEEEYIIRLKEFRDRIAKAKDSMEKMIKIRKEIVDFHGEMVLLENYSALNYTGLVKILKKYDKRTGDLMRLPFIQKVLQQPFYTTDLLFKLVKESEAMLDQIFPANETESEIIQAELSEHKFMESLHMKSTIAALRVLKEIRSGSSTVSVFSLPPLQLNGLDETWKKIPLLEQEAK