Enzyme:3.2.1.23

Latest revision as of 06:00, 21 June 2009

beta-D-galactoside galactohydrolase
Systematic Name	beta-D-galactoside galactohydrolase
Common Name	beta-galactosidase lactase maxilact hydrolact S 2107

Galactosyl-glycerol	<Mapping> AtomMap:BMFYB3OHS601$BMSUM6A0--05$0	(3R,4S,5R,6R) -6- (Hydroxymethyl) oxane-2,3,4,5-tetrol
	4 ↔ 1 5 ↔ 2 6 ↔ 3 7 ↔ 4 8 ↔ 5 9 ↔ 6

Galactosyl-glycerol	<Mapping> AtomMap:BMFYB3OHS601$BMFYS3HOq011$0	Propane-1,2,3-triol
	1 ↔ 1 2 ↔ 2 3 ↔ 3

3-Keto-lactose + H2O => D-Glucose + 3-Keto-D-galactose
(links: 3-Keto-lactose = D-Glucose + 3-Keto-D-galactose)

3-Keto-lactose	<Mapping> AtomMap:BMSUD2K0GC01$BMSUM6A0--06$0	D-Glucose
	7 ↔ 1 8 ↔ 2 9 ↔ 3 10 ↔ 4 11 ↔ 5 12 ↔ 6

3-Keto-lactose	<Mapping> AtomMap:BMSUD2K0GC01$BMSUM6K0--02$0	3-Keto-D-galactose
	1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6

Galactan	<Mapping> AtomMap:BMSUPnA0GG02$BMSUM6A0--05$0	(3R,4S,5R,6R) -6- (Hydroxymethyl) oxane-2,3,4,5-tetrol
	7 ↔ 1 8 ↔ 2 9 ↔ 3 10 ↔ 4 11 ↔ 5 12 ↔ 6

Galactan	<Mapping> AtomMap:BMSUPnA0GG02$BMSUM6A0--05$1 (2nd)	(3R,4S,5R,6R) -6- (Hydroxymethyl) oxane-2,3,4,5-tetrol
	1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6

alpha-Lactose	<Mapping> AtomMap:BMSUD2A0GC01$BMSUM6A0--06$1 (2nd)	D-Glucose
	7 ↔ 1 8 ↔ 2 9 ↔ 3 10 ↔ 4 11 ↔ 5 12 ↔ 6

alpha-Lactose	<Mapping> AtomMap:BMSUD2A0GC01$BMSUM6A0--05$0	(3R,4S,5R,6R) -6- (Hydroxymethyl) oxane-2,3,4,5-tetrol
	1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6

@@ Line 1: / Line 1: @@
+{{ {{NAMESPACE}}/Header}}
 {{Enzyme
 |ec={{PAGENAME}}
 |SysName=beta-D-galactoside galactohydrolase
 |names=&&beta-galactosidase&&lactase&&maxilact&&hydrolact&&S 2107
+}}
+{{Enzyme/Reaction| reaction= Galactosyl-glycerol + H2O => D-Galactose + Glycerol
+| list=
+&& BMFYB3OHS601$BMSUM6A0--05$0
+&& BMFYB3OHS601$BMFYS3HOq011$0
+}}
+{{Enzyme/Reaction| reaction= 3-Keto-lactose + H2O => D-Glucose + 3-Keto-D-galactose
+| list=
+&& BMSUD2K0GC01$BMSUM6A0--06$0
+&& BMSUD2K0GC01$BMSUM6K0--02$0
+}}
+{{Enzyme/Reaction| reaction= Galactan + H2O => 2 D-Galactose
+| list=
+&& BMSUPnA0GG02$BMSUM6A0--05$0
+&& BMSUPnA0GG02$BMSUM6A0--05$1
+}}
+{{Enzyme/Reaction| reaction= Lactose + H2O => D-Glucose + D-Galactose
+| list=
+&& BMSUD2A0GC01$BMSUM6A0--06$1
+&& BMSUD2A0GC01$BMSUM6A0--05$0
 }}

IDs and Links
IUBMB	EC3
ExPaSy	NiceZyme 3.2.1.23