Ovaj enzim učestvuje u procesu spašavanja indola tokom formiranja L-triptofana.
Reference
^Hettwer, S. & Sterner, R. (2002). „A novel tryptophan synthase β-subunit from the hyperthermophile Thermotoga maritima. Quaternary structure, steady-state kinetics, and putative physiological role”. J. Biol. Chem. 277: 8194—8201. PMID11756459.