antiparallel

Definition from Wiktionary, a free dictionary

[edit] English

[edit] Adjective

antiparallel

1. (mathematics) of vectors, parallel but of opposite direction
2. (biochemistry) describing the orientations of the two strands of DNA
3. (biochemistry) describing two beta strands comprising a protein's secondary structure that are aligned and hydrogen bonded but the vector describing the amino- and carboxy-terminal ends of each strand are oriented 180° relative to one another.

[edit] Translations

parallel of opposite direction

• Swedish: antiparallell