NEBcutter

NEBcutter identifies restriction enzyme cleavage sites within DNA sequences to map potential cuts for molecular cloning and DNA manipulation.

Key Features:

• Comprehensive Enzyme Database: Integrates a dynamic table of restriction enzyme recognition sites updated daily from the Restriction Enzyme Database (REBASE).
• Methylation Sensitivity: Marks cleavage sites affected by DNA modifications such as Dam and Dcm methylation.
• Customizable Enzyme Selection: Allows selection of enzymes by all known specificities, commercially available enzymes, or sets that produce compatible termini.
• Output Options: Produces restriction enzyme maps, theoretical digests, and links to REBASE for enzyme data.
• Non-overlapping ORF Identification: Identifies non-overlapping open reading frames (ORFs) within the sequence for gene annotation and coding-potential assessment.

Scientific Applications:

• Cloning strategy design: Maps enzyme cleavage sites and compatible termini to plan restriction-based cloning experiments.
• Genetic library construction: Informs selection of enzymes and fragment ends appropriate for constructing genetic libraries.
• Methylation-aware digestion planning: Enables prediction of methylation-sensitive cuts relevant to Dam and Dcm methylation states.
• Gene annotation and coding potential analysis: Uses identified non-overlapping ORFs to assist in annotation and assessment of coding regions.

Methodology:

Accepts a user-provided DNA sequence, systematically analyzes it to determine where each restriction enzyme will cut, and generates detailed maps that represent the cleavage sites across the sequence.