DBCO-PEG24-NHS ester

Methyltetrazine-PEG11-DBCO is a TCO reactive reagent with a DBCO group and water-soluble PEG spacer. This reagent can be used to convert azido-containing peptides or proteins into tetrazine-modified peptides or protein without catalyst or axillary reagents. DBCO is commonly used for copper-free Click Chemistry reactions. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Methyltetrazine-PEG11-DBCO is a TCO reactive reagent with a DBCO group and water-soluble PEG spacer. This reagent can be used to convert azido-containing peptides or proteins into tetrazine-modified peptides or protein without catalyst or axillary reagents. DBCO is commonly used for copper-free Click Chemistry reactions. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.

Interested in the analysis of DNA or RNA modifications? Then this DNA polymerase could help to analyze such modifications. The m6A sensitive DNA polymerase  exhibits increased misincorporation rates opposite m6A, while unmodified adenine is not affected. This prevents the loss of methylation information during reverse transcription and thus allows direct m6A sequencing. For further information refer to the original publication.   

Available upon request and for R&D use only – Contact Us   

The m6A sensitive DNA polymerase is supplied as a 5 µM solution containing glycerol and is supplied together with 10x reaction buffer. 

The enzyme can also be used for real-time cycling, when adding a suitable dye.

Interested in the analysis of DNA or RNA modifications? Then this DNA polymerase could help to analyze such modifications. The m6A sensitive DNA polymerase exhibits increased misincorporation rates opposite m6A, while unmodified adenine is not affected. This prevents the loss of methylation information during reverse transcription and thus allows direct m6A sequencing. For further information refer to the original publication.

Description

RAA uses a novel RNA substrate tagged with a fluorescent reporter molecule (fluor) on one end and a quencher on the other. In the absence of RNases, the physical proximity of the quencher dampens fluorescence from the fluor to extremely low levels. When RNases are present, however, the RNA substrate is cleaved, and the fluor and quencher are spatially separated in solution. This causes the fluor to emit a bright green signal when excited by light of the appropriate wavelength. Fluorescence can be readily detected with a fluorometer. Since the fluorescence of the RAA Substrate increases over time when RNase activity is present, results monitored with a fluorometer can be evaluated kinetically. The sequence of the RAA Substrate has been carefully optimized to detect several RNases, including RNase A, RNase T1, RNase I, micrococcal nuclease, S1 nuclease, mung bean nuclease, and Benzonase.

RNase activity in a convenient and sensitive fluorimetric assay that delivers results in real time. Great for Quality Testing for RNase contamination of materials and supplies.