Production of reddish-brown pigment from dl-tryptophan by enterobacteria of the Proteusprovidencia group.
D004755:Enterobacteriaceae / Q000378:metabolism*; D066298:In Vitro Techniques; D010860:Pigments, Biological / Q000096:biosynthesis*; D011511:Proteus / Q000378:metabolism*; D014364:Tryptophan / Q000378:metabolism*
D010860:Pigments, Biological; D014364:Tryptophan