antiparallel
Speech parts
1. antiparallel - Noun
2. antiparallel - Adjective
3. antiparallel - Adjective Satellite
Meaning
Running in a contrary direction.
Source: Webster's dictionarySynonyms
Antonyms
Examples
antiparallel vectors
Adjacent β-strands can form hydrogen bonds in antiparallel, parallel, or mixed arrangements.
Crick's access to Franklin's progress report of late 1952 is what made Crick confident that DNA was a double helix with antiparallel chains, but there were other chains of reasoning and sources of information that also led to these conclusions.
During their model building, Crick and Watson learned that an antiparallel orientation of the two nucleotide chain backbones worked best to orient the base pairs in the centre of a double helix.
In a double helix the direction of the nucleotides in one strand is opposite to their direction in the other strand: the strands are antiparallel.
The N-terminal two helices are antiparallel and the longer C-terminal helix is roughly perpendicular to the axes established by the first two.