alpha-lactose

362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API

45 compounds within 3 steps: 2 in 1, 12 in 2, 31 in 3

One step

alpha-D-galactoseReach from here →
1. Lactose galactohydrolase
Catalysed by LCT, GLB1, GLB1L, TMPPEextracellular spaceOne of 2 routes
D-glucoseReach from here →
1. Lactose galactohydrolase
Catalysed by LCT, GLB1, GLB1L, TMPPEextracellular spaceOne of 2 routes

Two steps

beta-D-glucoseReach from here →
1. Lactose galactohydrolase
2. D-glucose 1-epimerase
Catalysed by LCT, GLB1, GLB1L, TMPPE and 1 moreextracellular space, cytosol
CHEBI:16174Reach from here →
1. Lactose galactohydrolase
2. dATP:D-glucose 6-phosphotransferase
Catalysed by LCT, GLB1, GLB1L, TMPPE and 4 moreextracellular space, cytosol

Three steps

pyruvateReach from here →
Catalysed by LCT, GLB1, GLB1L, TMPPE and 6 moreextracellular space, cytosol
keto-D-fructose 6-phosphateReach from here →
Catalysed by and 6 more

D-glucono-1,5-lactoneReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 1 moreextracellular spaceOne of 2 routes

galactitolReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 1 moreextracellular space, cytosol

lactoseReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 2 moreextracellular space

CHEBI:17808Reach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 4 moreextracellular space, cytosol

D-glucitolReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPEextracellular space, cytosolOne of 3 routes

a beta-D-Gal-(1->4)-beta-D-Glc-(1<->1)-Cer(d18:1(4E))Reach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPEextracellular space

beta-D-galactoseReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 1 moreextracellular space, nucleusOne of 2 routes

D-glucopyranose 6-phosphateReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 5 moreextracellular space, cytosolOne of 5 routes

alpha-D-galactose 1-phosphateReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 2 moreextracellular space, cytosolOne of 2 routes

D-glucose 6-phosphateReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 1 moreextracellular spaceOne of 2 routes

LCT

, GLB1

, GLB1L

, TMPPE

extracellular space, cytosol

thioredoxin dithiolReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 9 moreextracellular space, cytosol, mitochondrial matrixOne of 2 routes

CHEBI:16039Reach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 9 moreextracellular space, cytosolOne of 3 routes

CHEBI:16284Reach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 9 moreextracellular space, cytosolOne of 16 routes

alpha,alpha-trehaloseReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 2 moreextracellular space, cytosol

a beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1)-Cer(d18:1(4E))Reach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 1 moreextracellular space, cytosolOne of 3 routes

CHEBI:17202Reach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 12 moreextracellular space, cytosol

alpha-D-glucoseReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 1 moreextracellular space, cytosol

dTDPReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 10 moreextracellular space, cytosolOne of 3 routes

a globoside Gb3Cer (d18:1(4E))Reach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 1 moreextracellular space, cytosolOne of 3 routes

D-glucosyl-N-acylsphingosineReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPEextracellular space, lysosome

D-gluconateReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 2 moreextracellular space

NAADPHReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 2 moreextracellular space

a ganglioside GA2 (d18:1(4E))Reach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 1 moreextracellular space, cytosolOne of 3 routes

beta-D-fructoseReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 1 moreextracellular space, cytosol

D-galactoseReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 3 moreextracellular space, cytosolOne of 2 routes

keto-D-fructoseReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 1 moreextracellular space, cytosol

an isogloboside iGb3Cer (d18:1(4E))Reach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 1 moreextracellular space

dCMPReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 5 moreextracellular space, cytosolOne of 2 routes

dGMPReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 4 moreextracellular space, cytosol, mitochondrial matrix

6-phospho-D-glucono-1,5-lactoneReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 6 moreextracellular space, cytosol, endoplasmic reticulumOne of 6 routes

1D-myo-inositol 3-phosphateReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 6 moreextracellular space, cytosolOne of 2 routes

alpha-D-glucose 1-phosphateReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 3 moreextracellular space, cytosol

D-mannose 6-phosphateReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 2 moreextracellular space

a ganglioside GM3 (d18:1(4E))Reach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 1 moreextracellular space, cytosolOne of 3 routes

dTMPReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 5 moreextracellular space, cytosol, mitochondrial matrixOne of 2 routes

UDP-alpha-D-galactoseReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 3 moreextracellular space, cytosol

CHEBI:67119Reach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 3 moreextracellular space, cytosolOne of 2 routes

beta-D-3-sulfogalactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acylsphing-4-enineReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 1 moreextracellular space

beta-D-galactosyl-(1->4)-[alpha-L-fucosyl-(1->3)]-D-glucoseReach from here →

Catalysed by LCT, GLB1, GLB1L, TMPPE and 4 moreextracellular space