antiparallel Hear it!

antiparallel Definition

anti·par·al·lel (an′tī par′ə lel′; -tē-, -ti-)

adjective

designating vectors that are parallel but opposite in direction
antiparallel Usage Examples

Modifies a noun

  • strand: The fold consists of 9 antiparallel beta strands, forming two beta-sheets in a ' sandwich ' .
  • sheet: Ie a parallel beta sheet is NOT the same as an antiparallel beta sheet.
  • helix: Crick, who had worked on proteins, soon realized that Franklin's data implied an antiparallel double helix.
  • alignment: Small angles ( parallel alignment ) gives a low resistance, large angles ( antiparallel alignment ) gives a higher resistance.
  • arrangement: The b -sheets can be formed by parallel or, most common, antiparallel arrangement of individual b -strands.
  • beta-strands: SMPI is composed of two beta-sheets, each consisting of four antiparallel beta-strands.