VIDEO DESCRIPTION:

Play, download and edit the free video 6z4u.

From the Protein Data Bank, rcsb.org/pdb/explore/remediatedSequence.do?structureId=6Z4U

A musical setting of 6z4u (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 male voices with various vowel sounds; G and P are consonants (fricatives);
— hydrophilic amino acids are female vowel sounds

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 Carla Scaletti, Kurt Hebel, Allen Wu, Franz Danksagmüller, and Olivia Taylor; also Martin Gruebele, Taras Pogorelov, and Meredith Rickard.

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