STN7 Antibody
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In Stock 
Product Specs
Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4
Form
Liquid
Lead Time
Made-to-order (14-16 weeks)
Synonyms
STN7 antibody; At1g68830 antibody; F14K14.6 antibody; T6L1.2 antibody; Serine/threonine-protein kinase STN7 antibody; chloroplastic antibody; EC 2.7.11.1 antibody; Protein STATE TRANSITION 7 antibody; Stt7 homolog antibody
Target Names
STN7
Uniprot No.
Target Background
Function
STN7 is a serine/threonine protein kinase essential for state transitions. This process involves the phosphorylation of light-harvesting complex II outer antennae (LCHII), playing a crucial role in adapting to changing light conditions. State transitions enable the redistribution of light excitation energy between photosystem II (PSII) and photosystem I (PSI). STN7 specifically phosphorylates the minor light harvesting protein LHCB4.2/CP29 and participates in the light-dependent phosphorylation of TSP9. It acts as a key component of the long-term response (LTR) signaling pathway. Moreover, STN7 regulates plastid gene expression by mediating phosphorylation-dependent subcellular localization of PTAC16.
Gene References Into Functions
- Phosphorylation of STN7 is not essential for state transitions but may influence its turnover under state 1 conditions. PMID: 21976483
- Regulation of STN7 levels occurs at both the post-translational and mRNA levels. PMID: 23086342
- The STN7 kinase is involved in the phosphorylation of nucleoid protein pTAC16. PMID: 22616989
- In plants lacking STN7, the plastoquinone pool is more reduced, leading to impaired growth under fluctuating light conditions. This highlights the significant role of STN7, and likely state transitions, in responding to environmental changes. PMID: 15729347
- Research indicates that the signaling pathways for state transitions and LTR diverge at, or immediately downstream from, STN7. Both responses require STN7 activity, which can be regulated based on the redox state of the plastoquinone pool. PMID: 19706797
Database Links
Protein Families
Protein kinase superfamily, Ser/Thr protein kinase family
Subcellular Location
Plastid, chloroplast thylakoid membrane.
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