US20110165626A1 – High Yield Production of Sialic Acid (Neu5ac) by Fermentation – Google Patents
4-Keto-DANA exists as an equilibrium between two ring-flipped forms; however, the form with the equatorial glycerol and N-acetyl substituents would be expected to predominate. Preferably, the substantial identity exists over a region of the sequences that is at least about 50 residus in length, more preferably over a region of at least about 100 residus, …