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Nucleic Acids Res. 2012 Jul;40(Web Server issue):W110-6. doi: 10.1093/nar/gks365. Epub 2012 May 8.

LAHEDES: the LAGLIDADG homing endonuclease database and engineering server.

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1
Division of Basic Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA.

Abstract

LAGLIDADG homing endonucleases (LHEs) are DNA cleaving enzymes, also termed 'meganucleases' that are employed as gene-targeting reagents. This use of LHEs requires that their DNA specificity be altered to match sequences in genomic targets. The choice of the most appropriate LHE to target a particular gene is facilitated by the growing number of such enzymes with well-characterized activities and structures. 'LAHEDES' (The LAGLIDADG Homing Endonuclease Database and Engineering Server) provides both an online archive of LHEs with validated DNA cleavage specificities and DNA-binding interactions, as well as a tool for the identification of DNA sequences that might be targeted by various LHEs. Searches can be performed using four separate scoring algorithms and user-defined choices of LHE scaffolds. The webserver subsequently provides information regarding clusters of amino acids that should be interrogated during engineering and selection experiments. The webserver is fully open access and can be found at http://homingendonuclease.net.

PMID:
22570419
PMCID:
PMC3394308
DOI:
10.1093/nar/gks365
[Indexed for MEDLINE]
Free PMC Article
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