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DNA Sequence Reverse and Complement Online Tool

With this tool you can reverse a DNA sequence, complement a DNA sequence or reverse and complement a DNA sequence
Supports IUPAC ambiguous DNA characters. Handles FASTA format.

Paste your DNA sequence below

OPTIONS Transformation Options

Reverse and Complement    Reverse    Complement

Output Options:

UPPER CASE    lower case

Include numbering and line breaks every: nucleotides/residues (0 = no formatting)

A web application written in Python by Andrea Cabibbo