Toolyard

MseI Recognition Site


MseI at a glance

5' T|TAA 3'
3' AAT|T 5'
Recognition site5'-TTAA-3'
CutT^TAA
Endsa 2-base 5' overhang (TA)
Expected frequencyabout once every 256 bp in random DNA
Compatible endsNdeI

How to find MseI sites in a sequence

  1. Paste a DNA sequence or FASTA record into the box above. MseI is already entered under Only these enzymes.
  2. Tick Circular DNA for a plasmid, so a site that spans the end and the start is found.
  3. The map marks each MseI cut with its position. Copy or download the output below it.

Frequently asked questions

What sequence does MseI cut?

MseI recognizes TTAA (written 5' to 3') and cuts the top strand at T^TAA.

Does MseI leave sticky or blunt ends?

Sticky ends: a 2-base 5' overhang (TA).

Which enzymes leave ends compatible with MseI?

NdeI. Their overhangs are the same, so the ends can be ligated to each other.

How often does MseI cut?

A site like TTAA turns up about once every 256 bp in random DNA. Real sequences vary, so check yours above.

Restriction enzymes

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