| Artificial lacto-N-biose biosynthesis(NFUNC_0026) | 
| 必須 | A | SP (NRULE_0109) | Sucrose phosphorylase |  | 
|---|
| GALT (NRULE_0110) | Galactose-1-phosphate uridylyltransferase |  | 
| GALE (NRULE_0111) | UDP-glucose 4-epimerase | MBIO_0642 | 
| LNBP (NRULE_0112) | 1,3-beta-galactosyl-N-acetylhexosamine phosphorylase |  | 
| Human milk oligosaccharides metabolism(NFUNC_0083) | 
| 必須 | A | LNBP (NRULE_0112) | 1,3-beta-galactosyl-N-acetylhexosamine phosphorylase |  | 
|---|
| 任意 |  | NAHK (NRULE_0256) | N-acetylhexosamine 1-kinase |  | 
|---|
|  | GALT (NRULE_0110) | Galactose-1-phosphate uridylyltransferase |  | 
|  | GALE (NRULE_0111) | UDP-glucose 4-epimerase | MBIO_0642 |