* Activity is similar to B4GalNT1, but substrate specificity is distinct as it forms the Sda or Cad antigen.
* B4GalNT2 is suppressed during gastric cancer.
NeuAc(a2-3)Gal(b1-?)GlcNAc(b1-?) or NeuAc(a2-3)Gal(b1-?)GalNAc(a1-?)
Product:
NeuAc(a2-3)[GalNAc(b1-4)]Gal(b1-?)GlcNAc(b1-?) or NeuAc(a2-3)[GalNAc(b1-4)]Gal(b1-?)GalNAc(a1-?)
Constraints:
!Fuc(a1-2)@Gal(b1-?)
Simulation Parameters
Mechaelis-Menten
parameters (suggested)
Vm: 0.0000037 (pmol/cell • hr)
Km: 700000000
(pM)
Relative conc of
enzymes in compartment.(sum will be normalized to 1)