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Sequence Transform

Manipulate sequences and expand IUPAC ambiguities.

Molecule Type

How to Use

Basic Operations

  • Reverse: Reverses the sequence string (e.g. ATGC → CGTA).
  • Complement: Swaps bases with their pair (A↔T, G↔C). Handles RNA (A↔U).
  • Reverse Complement: Reverse followed by Complement. Standard for analyzing the opposite strand.

Variant Expansion

Generates all possible unambiguous sequences from a sequence containing IUPAC ambiguity codes.

R = A or G

Y = C or T

N = Any

Example: ATR expands to ATA and ATG.