DNAmoreDB - A Database of Deoxyribozymes

DNAzyme description

 Reaction  Reacting groups  Substrates Product  Metal ion Linkage  Seq description
RNA cleavage Group 1 - 2'-OH of rU

Group 2 - vicinal phosphate

S: cleavage in cis
cleavage after either position 2 or 6 in the all-RNA substrate, both being UA junctions. M2+-independent
RNA phosphodiester N 50
 Buffer conditions
0.2 M NaCl, 10 mM EDTA, 50 mM Tris–HCl pH 7.5
 kcat/ kobs
kobs = 0.07 min-1
 Catalytic region of the DNAzyme
CCATTCTCCTCTGCTGGACTATTCGGGTCTTTGTTCTCTCATGGTTGTGT
Notes
C5-imidazolyl-modified dUTP and 3-(aminopropynyl)-7-deaza-dATP were used during the selection, incorporating in this way two protein-like functionalities, namely, imidazolyl (histidine analogue) and primary amino (lysine analogue) into the DNAzymes.

 Reported in...

Year of Publication First Author Laboratory Title PubMed ID DOI Reaction
2004 A V Sidorov D M Williams Sequence-specific cleavage of RNA in the absence of divalent metal ions by a DNAzyme incorporating imidazolyl and amino functionalities. 15004246 10.1093/nar/gkh326 RNA cleavage

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