Enzyme:4.2.1.20

Upper Levels: EC4.-.-.- Lyases. : EC4.2.-.- Carbon-oxygen lyases. : EC4.2.1.- Hydro-lyases.

IDs and Links
IUBMB	EC4
ExPaSy	NiceZyme 4.2.1.20

L-serine hydro-lyase (adding indoleglycerol-phosphate)
Systematic Name	L-serine hydro-lyase (adding indoleglycerol-phosphate)
Common Name	tryptophan synthase L-tryptophan synthetase indoleglycerol phosphate aldolase tryptophan desmolase

L-Serine + Indole => L-Tryptophan + H2O (links: (2S) -2-Amino-3-hydroxypropanoic acid + (2S) -2-Amino-3- (1H-indol-3-yl) propanoic acid = (2S) -2-Amino-3- (1H-indol-3-yl) propanoic acid + Indole)
(2S) -2-Amino-3-hydroxypropanoic acid <Mapping> AtomMap:BMAAS3HO0002$BMACID--0003$0 (2S) -2-Amino-3- (1H-indol-3-yl) propanoic acid 1 ↔ 12 2 ↔ 11 3 ↔ 10 4 ↔ 13 (2S) -2-Amino-3- (1H-indol-3-yl) propanoic acid <Mapping> AtomMap:BMACID--0003$BMCCID--0019$0 Indole 1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6 7 ↔ 7 8 ↔ 8 9 ↔ 9

(3-Indolyl)-glycerol phosphate => D-Glyceraldehyde 3-phosphate + Indole (links: (3-Indolyl) -glycerol phosphate = D-Glyceraldehyde 3-phosphate + Indole)
(3-Indolyl) -glycerol phosphate <Mapping> AtomMap:BMCCID--e001$BMFYS3ALe009$0 D-Glyceraldehyde 3-phosphate 10 ↔ 1 11 ↔ 2 12 ↔ 3 (3-Indolyl) -glycerol phosphate <Mapping> AtomMap:BMCCID--e001$BMCCID--0019$0 Indole 1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6 7 ↔ 7 8 ↔ 8 9 ↔ 9

L-Serine + (3-Indolyl)-glycerol phosphate => L-Tryptophan + D-Glyceraldehyde 3-phosphate + H2O (links: (2S) -2-Amino-3-hydroxypropanoic acid +  (3-Indolyl) -glycerol phosphate = (2S) -2-Amino-3- (1H-indol-3-yl) propanoic acid + D-Glyceraldehyde 3-phosphate)

(2S) -2-Amino-3-hydroxypropanoic acid <Mapping> AtomMap:BMAAS3HO0002$BMACID--0003$0 (2S) -2-Amino-3- (1H-indol-3-yl) propanoic acid 1 ↔ 12 2 ↔ 11 3 ↔ 10 4 ↔ 13 (3-Indolyl) -glycerol phosphate <Mapping> AtomMap:BMCCID--e001$BMFYS3ALe009$0 D-Glyceraldehyde 3-phosphate 10 ↔ 1 11 ↔ 2 12 ↔ 3 (3-Indolyl) -glycerol phosphate <Mapping> AtomMap:BMCCID--e001$BMACID--0003$0 (2S) -2-Amino-3- (1H-indol-3-yl) propanoic acid 1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6 7 ↔ 7 8 ↔ 8 9 ↔ 9