Protein Domain : Protein PSK SIMULATOR IPR045021

Type  Family
Description  This family represents the plant-specific proteins PSI 1-3 (Protein PSK SIMULATOR 1-3) from Arabidopsis. These proteins promote plant growth, especially at the vegetative stage, probably via the regulation of phytosulfokine (PSK) signalling; PSKs are peptide phytohormones acting as growth factors [ ]. They are required during vegetative growth and reproduction, PSI1 acts predominantly at the seedling stage whereas PSI2 and 3 are required for vegetative growth where they act synergistically. PSI1 and 3 may also have a function in carbohydrate metabolism [].
Short Name  PSI1/2/3

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1 Ontology Annotations

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