Any feedback?
Please rate this page
(ligand.php)
(0/150)

BRENDA support

Ligand N-acetyl-D-galactosamine

Please wait a moment until all data is loaded. This message will disappear when all data is loaded.

Basic Ligand Information

Molecular Structure
Picture of N-acetyl-D-galactosamine (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C8H15NO6
N-acetyl-D-galactosamine
OVRNDRQMDRJTHS-KEWYIRBNSA-N
Synonyms:
2-acetamido-2-deoxy-D-galactose, D-GalNAc, GalNAc, N-acetyl-D-galactosamine units, N-acetyl-galactosamine, N-acetylgalactosamine, N-acetyl galactosamine

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (4 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
N-acetyl-D-galactosamine + O2 = ? + H2O2
show the reaction diagram
-
ATP + N-acetyl-D-galactosamine = ADP + N-acetyl-alpha-D-galactosamine 1-phosphate
show the reaction diagram
-
ATP + N-acetyl-D-galactosamine = ADP + N-acetyl-alpha-D-galactosamine 1-phosphate
show the reaction diagram
-
ATP + N-acetyl-D-galactosamine = ADP + N-acetyl-D-galactosamine 1-phosphate
show the reaction diagram
-

In Vivo Product in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
N-acetyl-D-galactosamine 4-sulfate units + H2O = N-acetyl-D-galactosamine units + sulfate
show the reaction diagram
-

Substrate in Enzyme-catalyzed Reactions (18 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
N-acetyl-D-galactosamine + NAD+ = N-acetyl-D-galactoseaminate + NADH
show the reaction diagram
-
N-acetyl-D-galactosamine + O2 = N-acetyl-D-galactosaminolactone + H2O2
show the reaction diagram
-
N-acetyl-D-galactosamine + O2 = ? + H2O2
show the reaction diagram
-
UDP-galactose + N-acetyl-D-galactosamine = UDP + beta-D-galactosyl-1,3-N-acetyl-D-galactosamine
show the reaction diagram
-
UDP-galactose + N-acetylgalactosamine = UDP + beta-D-galactosyl-1,3-N-acetylgalactosamine
show the reaction diagram
-
alpha-D-galactose 1-phosphate + N-acetyl-galactosamine = beta-D-galactopyranosyl-1,3-N-acetyl-D-galactosmine + phosphate
show the reaction diagram
-
UDP-alpha-D-galactose + N-acetylgalactosamine = ?
show the reaction diagram
-
UDP-alpha-D-galactose + N-acetyl-D-galactosamine = ?
show the reaction diagram
-
CMP-N-acetylneuraminate + N-acetyl-D-galactosamine = ?
show the reaction diagram
-
N-acetyl-D-galactosamine + phosphoenolpyruvate + H2O = ?
show the reaction diagram
-
ATP + N-acetyl-D-galactosamine = ADP + N-acetyl-alpha-D-galactosamine 1-phosphate
show the reaction diagram
-
ATP + N-acetyl-D-galactosamine = ADP + N-acetyl-alpha-D-galactosamine 1-phosphate
show the reaction diagram
-
ATP + N-acetyl-D-galactosamine = ADP + N-acetyl-D-galactosamine 1-phosphate
show the reaction diagram
-
ATP + N-acetyl-D-galactosamine = ADP + N-acetyl-D-galactosamine 6-phosphate
show the reaction diagram
-
ATP + N-acetyl-D-galactosamine = ADP + N-acetyl-alpha-D-galactosamine 1-phosphate
show the reaction diagram
-
N-acetylgalactosamine + H2O = ?
show the reaction diagram
-
N-acetyl-D-galactosamine + melibiose = 6-O-alpha-D-galactosyl-N-acetyl-D-galactosamine + D-glucose
show the reaction diagram
-
N-acetyl-D-galactosamine + H2O = galactosamine + acetate
show the reaction diagram
-

Product in Enzyme-catalyzed Reactions (37 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
acetyl-CoA + galactosamine = CoA + N-acetyl-D-galactosamine
show the reaction diagram
-
N-acetyl galactosamine 6-sulfate + H2O = N-acetyl galactosamine + sulfate
show the reaction diagram
-
N-acetylgalactosamine 6-sulfate + H2O = N-acetylgalactosamine + sulfate
show the reaction diagram
-

Activator in Enzyme-catalyzed Reactions (2 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
9% activation at 3 mM
-

Inhibitor in Enzyme-catalyzed Reactions (36 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
competitive inhibition
-
slight inhibition at 25 mM
-
76.2% relative inhibition, three concentrations of 10, 50, and 100 mM tested
-
an inhibitor of other hexosaminidases
-
minimum inhibition concentration is 4.2 mM
-

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (8 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
932
-
-
0.161
-
at pH 7.5 and 25°C
0.36
-
pH 8.0, 45°C

KM Value (14 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.8
-
-
850
-
-
850
-
-
0.268
-
at pH 7.5 and 25°C
15.76
-
pH 8.0, 45°C

Ki Value (6 results)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.047
-
-
13
-
pH 8.0, 37°C

IC50 Value (4 results)

EC NUMBER
IC50 VALUE
IC50 VALUE MAXIMUM
COMMENTARY
LITERATURE

References & Links

Links to other databases for N-acetyl-D-galactosamine

ChEBI
PubChem
ChEBI
PubChem