Toolyard

BamHI Recognition Site


BamHI at a glance

5' G|GATCC 3'
3' CCTAG|G 5'
Recognition site5'-GGATCC-3'
CutG^GATCC
Endsa 4-base 5' overhang (GATC)
Expected frequencyabout once every 4,096 bp in random DNA
Compatible endsBclI, BglII, Sau3AI

How to find BamHI sites in a sequence

  1. Paste a DNA sequence or FASTA record into the box above. BamHI 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 BamHI cut with its position. Copy or download the output below it.

Frequently asked questions

What sequence does BamHI cut?

BamHI recognizes GGATCC (written 5' to 3') and cuts the top strand at G^GATCC.

Does BamHI leave sticky or blunt ends?

Sticky ends: a 4-base 5' overhang (GATC).

Which enzymes leave ends compatible with BamHI?

BclI, BglII and Sau3AI. Their overhangs are the same, so the ends can be ligated to each other.

How often does BamHI cut?

A site like GGATCC turns up about once every 4,096 bp in random DNA. Real sequences vary, so check yours above.

Restriction enzymes

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