Robuta

https://pubmed.ncbi.nlm.nih.gov/7718566/?dopt=Abstract&holding=idemdclib_fft&otool=idemdclib Gramicidin S synthetase 1 (phenylalanine racemase), a prototype of amino acid racemases containing... The biosynthesis of the decapeptide antibiotic gramicidin S in Bacillus brevis ATCC 9999 is catalyzed by a multienzyme system consisting of two multifunctional... https://biblio.ugent.be/publication/8693378 Uncovering a superfamily of nickel-dependent hydroxyacid racemases and epimerases uncoveringsuperfamilynickeldependent