Enzyme:3.2.1.20

Revision as of 09:00, 2 February 2009

alpha-D-glucoside glucohydrolase
Systematic Name	alpha-D-glucoside glucohydrolase
Common Name	alpha-glucosidase maltase glucoinvertase glucosidosucrase maltase-glucoamylase

(2R,3R,4S,5S,6R) -2- [ (2S,3S,4S,5R) -3,4-Dihydroxy-2,5-bis (hydroxymethyl) oxolan-2-yl] oxy-6- (hydroxymethyl) oxane-3,4,5-triol	<Mapping> AtomMap:BMSUD2A0CF01$BMSUM6A0--06$0	D-Glucose
	1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6

(2R,3R,4S,5S,6R) -2- [ (2S,3S,4S,5R) -3,4-Dihydroxy-2,5-bis (hydroxymethyl) oxolan-2-yl] oxy-6- (hydroxymethyl) oxane-3,4,5-triol	<Mapping> AtomMap:BMSUD2A0CF01$BMSUM6A0--03$1 (2nd)	(3S,4R,5R) -1,3,4,5,6-Pentahydroxyhexan-2-one
	7 ↔ 1 8 ↔ 2 9 ↔ 3 10 ↔ 4 11 ↔ 5 12 ↔ 6

(3R,4S,5S,6R) -6- [ [(2S,3R,4S,5R,6R) -3,4,5-Trihydroxy-6- (hydroxymethyl) oxan-2-yl] oxymethyl] oxane-2,3,4,5-tetrol	<Mapping> AtomMap:BMSUD2A0GC02$BMSUM6A0--06$0	D-Glucose
	7 ↔ 1 8 ↔ 2 9 ↔ 3 10 ↔ 4 11 ↔ 5 12 ↔ 6

(3R,4S,5S,6R) -6- [ [(2S,3R,4S,5R,6R) -3,4,5-Trihydroxy-6- (hydroxymethyl) oxan-2-yl] oxymethyl] oxane-2,3,4,5-tetrol	<Mapping> AtomMap:BMSUD2A0GC02$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

(2R,3S,4S,5R,6R) -2- (Hydroxymethyl) -6- [ (2R,3S,4R,5R,6R) -4,5,6-trihydroxy-2- (hydroxymethyl) oxan-3-yl] oxyoxane-3,4,5-triol	<Mapping> AtomMap:BMSUD2A0CC01$BMSUM6A0--06$0	D-Glucose
	7 ↔ 1 8 ↔ 2 9 ↔ 3 10 ↔ 4 11 ↔ 5 12 ↔ 6

(2R,3S,4S,5R,6R) -2- (Hydroxymethyl) -6- [ (2R,3S,4R,5R,6R) -4,5,6-trihydroxy-2- (hydroxymethyl) oxan-3-yl] oxyoxane-3,4,5-triol	<Mapping> AtomMap:BMSUD2A0CC01$BMSUM6A0--06$1 (2nd)	D-Glucose
	1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6

@@ Line 3: / Line 3: @@
 |SysName=alpha-D-glucoside glucohydrolase
 |names=&&alpha-glucosidase&&maltase&&glucoinvertase&&glucosidosucrase&&maltase-glucoamylase
+}}
+{{Enzyme/Reaction| reaction= Sucrose + H2O => D-Glucose + D-Fructose
+| list=
+&& BMSUD2A0CF01$BMSUM6A0--06$0
+&& BMSUD2A0CF01$BMSUM6A0--03$1
+}}
+{{Enzyme/Reaction| reaction= D-Gal-alpha1->6D-Glucose + H2O => D-Glucose + D-Galactose
+| list=
+&& BMSUD2A0GC02$BMSUM6A0--06$0
+&& BMSUD2A0GC02$BMSUM6A0--05$0
+}}
+{{Enzyme/Reaction| reaction= Maltose + H2O => 2 D-Glucose
+| list=
+&& BMSUD2A0CC01$BMSUM6A0--06$0
+&& BMSUD2A0CC01$BMSUM6A0--06$1
 }}

IDs and Links
IUBMB	EC3
ExPaSy	NiceZyme 3.2.1.20