stachyose degradation

Dai N, Petreikov M, Portnoy V, Katzir N, Pharr DM, Schaffer AA. Cloning and expression analysis of a UDP-galactose/glucose pyrophosphorylase from melon fruit provides evidence for the major metabolic pathway of galactose metabolism in raffinose oligosaccharide metabolizing plants. Plant Physiol. 2006 Sep;142(1):294–304. PMID: 16829585; PMCID: PMC1557607.; Gross KC, Pharr DM. A Potential Pathway for Galactose Metabolism in Cucumis sativus L., A Stachyose Transporting Species. Plant Physiol. 1982 Jan 01;69(1):117–21. doi: 10.1104/pp.69.1.117.

Metabolites

alpha-D-Galactose

Formula: C6H12O6 (180.0633852)

CAS ID: 3646-73-9

H+

Formula: H (1.0078246)

CAS ID: 12408-02-5

H2O

Formula: H2O (18.0105642)

CAS ID: 7732-18-5

Raffinose

Formula: C18H32O16 (504.1690272)

CAS ID: 512-69-6

Sodium chloride

Formula: NaCl (57.958623)

CAS ID: 7647-14-5

Stachyose

Formula: C24H42O21 (666.2218482000001)

CAS ID: 10094-58-3

Sucrose

Formula: C12H22O11 (342.11620619999997)

CAS ID: 57-50-1

NADPH(4-)

Formula: C21H26N7O17P3 (741.0598016)

CAS ID: 53-57-6

ATP(4-)

Formula: C10H12N5O13P3 (502.9644492)

CAS ID:

NAD(1-)

Formula: C21H26N7O14P2 (662.1012936000001)

CAS ID: 53-84-9

UDP(3-)

Formula: C9H11N2O12P2 (400.9787246)

CAS ID: 86527-70-0

ADP(3-)

Formula: C10H12N5O10P2 (424.0059412)

CAS ID:



Enzyme

EC Number name full name note
2.7.7.-
2.4.1.82 galactinol-sucrose galactosyltransferase alpha-D-galactosyl-(1->3)-1D-myo-inositol:sucrose 6-alpha-D-galactosyltransferase
2.7.1.6 galactokinase ATP:D-galactose 1-phosphotransferase
2.7.7.23 UDP-N-acetylglucosamine diphosphorylase UTP:N-acetyl-alpha-D-glucosamine-1-phosphate uridylyltransferase
2.7.7.64 UTP-monosaccharide-1-phosphate uridylyltransferase
2.7.7.83 UDP-N-acetylgalactosamine diphosphorylase UTP:N-acetyl-alpha-D-galactosamine-1-phosphate uridylyltransferase
2.7.7.9 UTP-glucose-1-phosphate uridylyltransferase UTP:alpha-D-glucose-1-phosphate uridylyltransferase
5.1.3.2 UDP-glucose 4-epimerase UDP-glucose 4-epimerase
5.1.3.5 UDP-arabinose 4-epimerase UDP-L-arabinose 4-epimerase


Proteins

Protein ID name full name