This enzyme from Bacillus licheniformis was sold originally by Genencor under the brand name Protex 6L. Recently its name has been changed to Multifect PR 6L but the enzyme remains unchanged. Furthermore Genencor International is now part of DuPont Industrial Biosciences.
A diagnostic application is the determination of β-Carotene. For a discription see the article "Method for the Determination of β-Carotene in Supplements and Raw Materials by Reversed-Phase Liquid Chromatography: Single Laboratory Validation" by Joseph Schierle, Bernd Pietsch, Alan Ceresa, and Christian Fizet published in J AOAC Int. 2004; 87(5): 1070–1082.