Converse of object

• contain: The Example The tutorial shows that the crystal structure of: contains an approximate 3-fold helix.

• form: DNA molecules have two distinct strands which are held together by weak hydrogen bonds to form a double helix.

Adjective modifier

• amphipathic: This family contains the paired amphipathic helix ( PAH ) repeat.

• right-handed: Each strand is a left-handed helix twisted on itself, but the three strands are twisted into a larger right-handed triple helix.

• triple: The molecule consists of a short triple helix about 105 nm in length with a large globular domain at each end.

Modifies a noun

• bundle: Both models are composed of a left-handed helix bundle.

• axis: Also the planes of the base residues are perpendicular to the helix axis.

• angle: The choice of helix angle, which is influenced by the type of machine used to cut the gears, is discussed.

• rod: This tells the coil command to use the coordinates for the helix rod axis rather than the actual CA coordinates.

• structure: The double helix structure of DNA became a design icon.

Noun used with modifier

• alpha: These two bonds act to stop the alpha helix forming.

• DNA: Then the marvelous rising spiral traverse like climbing a double DNA helix around it an insane position on the overhanging North face.

• turn: The dish feed is based on a small 4 turn helix mounted on a die cast aluminum box of 50mm x 50mm.