VIDEO DESCRIPTION:

Play, download and edit the free video 6lzg chain B.

From the Protein Data Bank, rcsb.org/pdb/explore/remediatedSequence.do?structureId=6LZG

A musical setting of 6lzg chain B, a protein from the novel coronavirus, with the following mapping:
primary structure:
- pitches, low to high = hydrophobic to hydrophilic, W Y F M L I C V G A P S T H N Q R K D E
— hydrophobic amino acids are col legno (the wood of a violin bow); G and P are pizzicato (plucked strings);
— hydrophilic amino acids are struck glass (S T N Q), or plucked piano strings (electrically charged, H R K D E)
-- the scale is 19-tone equal temperament

secondary structure:
- coil is very fast
- beta sheets are a little slower, marked with a wooden guiro
- alpha helices are slower still, marked with a triangle
- turns are “key changes” - the music keeps going but its tonic has changed.

Sound made with Kyma (kyma.symbolicsound.com); thanks for help and inspiration to musicians Carla Scaletti, Kurt Hebel, Allen Wu, Franz Danksagmüller, and Olivia Taylor; and scientists Martin Gruebele, Taras Pogorelov, and Meredith Rickard.

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