Recombinant Arabidopsis thaliana Protein ROS1(ROS1),partial

Code CSB-EP874445DOA
Size US$2466
  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
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Product Details

Purity Greater than 90% as determined by SDS-PAGE.
Target Names ROS1
Uniprot No. Q9SJQ6
Research Area Epigenetics and Nuclear Signaling
Alternative Names ROS1; DML1; At2g36490; F1O11.12; DNA glycosylase/AP lyase ROS1; EC; DEMETER-like protein 1; Protein REPRESSOR OF SILENCING 1; Protein ROS1
Species Arabidopsis thaliana (Mouse-ear cress)
Source E.coli
Expression Region 1-320aa
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight 52.3kDa
Protein Length Partial
Tag Info N-terminal 6xHis-SUMO-tagged
Form Liquid or Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
Note: If you have any special requirement for the glycerol content, please remark when you place the order.
If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
and FAQs
Protein FAQs
Storage Condition Store at -20°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA Please contact us to get it.

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Target Data

Function Bifunctional DNA glycosylase/lyase, which excises 5-methylcytosine (5-meC) and 5-hydroxymethylcytosine (5-hmeC), leaving an apyrimidinic (AP) site that is subsequently incised by the lyase activity
Gene References into Functions
  1. ound that DOGL4 negatively affects seed dormancy and response to the phytohormone abscisic acid and that ROS1 controls these processes by regulating DOGL4 PMID: 30266793
  2. Results provide evidence that ROS1 expression is regulated by MET18 which is required for its activity. ROS1 binds to the iron-sulfur cluster of MET18. PMID: 27193999
  3. ROS1 preferentially targets transposable elements (TEs) and intergenic regions. Compared with most TEs, ROS1-targeted TEs are closer to protein coding genes, suggesting that ROS1 may prevent DNA methylation spreading from TEs to nearby genes. PMID: 27797352
  4. Transgenic tobacco overexpressing AtROS1 showed tolerance to salt stress that could have been due to the higher expression levels of the genes encoding enzymes of the flavonoid biosynthetic and antioxidant pathways. PMID: 26116024
  5. Our results suggest that ROS1-mediated active DNA demethylation requires MET18-dependent transfer of the iron-sulfur cluster, highlighting an important role of the CIA pathway in epigenetic regulation. PMID: 26492035
  6. We propose that the ROS1 locus functions as an epigenetic rheostat, tuning the level of demethylase activity in response to methylation alterations, thus ensuring epigenomic stability. PMID: 25826366
  7. ROS1, DML2, and DML3 play a role in fungal disease resistance in Arabidopsis PMID: 25228471
  8. ROS1 mediated DNA demethylation combats the activity of RNA-directed DNA methylation to influence the initiation of stomatal lineage cells. PMID: 24898766
  9. Data indicate that H3K9 dimethylation level in mutants ros1 fpgs1 (folylpolyglutamate synthase 1) was clearly reduced. PMID: 23881414
  10. the Arabidopsis RdDM pathway has an antisilencing function due to its role in maintaining ROS1 expression PMID: 22733760
  11. The polalpha/incurvata2 (icu2) gene was isolated as one ros1 suppressor because its mutation leads to the reactivation of the silenced 35S-NPTII gene. PMID: 19769574
  12. Data suggest that a function of REPRESSOR OF SILENCING 1 (ROS1) and DEMETER is to initiate erasure of 5-meC through a base excision repair process and provide strong biochemical evidence for the existence of an active DNA demethylation pathway in plants. PMID: 16624880
  13. These results demonstrate that ROS1 is a 5-methylcytosine DNA glycosylase/lyase important for active DNA demethylation in Arabidopsis. PMID: 16864782
  14. CpXpG and CpXpX sites become heavily methylated in the ros1 mutant. PMID: 17208187
  15. ROS1 removes methylation that has multiple, independent origins, including de novo methylation directed by RDR2-dependent and -independent RNAi pathways. PMID: 17951456
  16. Results suggest that ROS1 specificity arises by a combination of selective recognition at the active site and thermodynamic stability of the target base. PMID: 19443451

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Subcellular Location Nucleus, Nucleus, nucleolus
Protein Families DNA glycosylase family, DEMETER subfamily
Tissue Specificity Expressed ubiquitously in both vegetative and reproductive organs.
Database Links

KEGG: ath:AT2G36490

STRING: 3702.AT2G36490.1

UniGene: At.14091


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