Superimposed Proteins ('91).
Notes:
Ribbons 2.0 was developed in '90 once we got an SGI 4D series machine,
using the new & improved graphics, eg hardware lighting effects.
Seven serine proteases superimposed, used to model Factor D,
the rate-limiting enzyme in the human complement pathway.
Image published in 'Ribbons 2.0' paper in J.Appl.Cryst, '91.
Ribbons User Manual / UAB-CBSE / carson@uab.edu