03-310 | In Vivo SHAPE Reagent for Live Cell RNA Structure Analysis

0.5 mL of 2M NAI in DMSO (>97% pure)  
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      Replacement Information
      Catalogue Number03-310
      Brand Family Upstate
      DescriptionIn Vivo SHAPE Reagent for Live Cell RNA Structure Analysis
      OverviewFeatures & Advantages
      • Ready-to-use RNase-free solution
      • Low toxicity allows use with live cells
      • High cell-permeability for rapid modification of RNA
      • Reacts with all RNA nucleotides without bias for high resolution mapping

      In Vivo SHAPE Reagent is used for the determination of RNA structure. This reagent contains a highly pure form of 2-methylnicotinic acid imidazolide (NAI). This compound forms 2’-O-adducts on single stranded regions of RNA that can be detected by Selective 2’-Hydroxyl Acylation and Primer Extension (SHAPE).

      In contrast to other reagents used for the SHAPE method, the NAI–based In Vivo SHAPE Reagent is rapidly absorbed into cells and is formulated to have low levels of toxicity making it ideal for use with live cells. Unlike other reagents used for SHAPE analysis, In Vivo SHAPE Reagent reacts in an unbiased fashion with all four RNA nucleotides. This combination of low toxicity, rapid uptake and lack of nucleotide bias enables high resolution RNA structure analysis in a variety of living systems.
      Background InformationFolding into higher-order structures allows RNAs to function inside living cells and form dynamic complexes with effector proteins. Predicting these 3D structures is challenging and therefore a number of probing techniques have been developed to study RNA folding.

      Compounds such as 2-methylnicotinic acid imidazolide (NAI) contained the In Vivo SHAPE Reagent result in the formation of 2’-O-adducts. These adducts form rapidly on single stranded unpaired RNA and much more slowly on based paired (double stranded) RNA. Modified RNA can then be analyzed by primer extension. Modified nucleotides are not extended by RNA dependent DNA polymerases thus allowing sites of modification to be detected.

      1. Wilkinson K., et al. (2006). Nature Protocols,1(3): 1610-1616
      2. Spitale R., et al. (2012). Nature Chemical Biology. 9(1):18-20
      Product Information
      • 2-methylnicotinic acid imidazolide (NAI) in DMSO
      Presentation0.5 mL vial containing 2M NAI (>97% pure) in DMSO solution
      ApplicationIn Vivo SHAPE Reagent contains 2-methylnicotinic acid imidazolide (NAI). This reagent has very low toxicity and permits the analysis of RNA structure in living cells using Selective 2’-Hydroxyl Acylation and Primer Extension (SHAPE).
      Key Applications
      • Reverse transcriptase assays
      Biological Information
      Physicochemical Information
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Quality AssurancePurity of NAI compound is tested by HPLC.
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage ConditionsStore NAI at -20°C in a non-frost-free freezer protected from light. With proper storage (protect from light and avoid excessive freeze-thaw cycles) this product is stable for up to 6 months from the date of receipt.
      Packaging Information
      Material Size0.5 mL of 2M NAI in DMSO (>97% pure)
      Transport Information
      Supplemental Information




      Safety Data Sheet (SDS) 

      Certificates of Analysis

      TitleLot Number
      In Vivo SHAPE Reagent - 2565437 2565437
      In Vivo SHAPE Reagent -2568551 2568551
      In Vivo SHAPE Reagent -2603412 2603412
      In Vivo SHAPE Reagent -2608184 2608184
      In Vivo SHAPE Reagent -2649260 2649260
      In Vivo SHAPE Reagent -2728871 2728871
      In Vivo SHAPE Reagent Live Cell RNA Structure Analysis 3099728
      In Vivo SHAPE Reagent Live Cell RNA Structure Analysis 3148504
      In Vivo SHAPE Reagent Live Cell RNA Structure Analysis 3134684
      In Vivo SHAPE Reagent Live Cell RNA Structure Analysis 2983423