Entry
Name
11-oxo-beta-amyrin 30-oxidase;
CYP72A;
CYP72A154;
11-oxo-beta-amyrin 30-monooxygenase
Class
Oxidoreductases;
Acting on paired donors, with incorporation or reduction of molecular oxygen;
With reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen into the other donor
BRITE hierarchy
Sysname
11-oxo-beta-amyrin,[reduced NADPH---hemoprotein reductase]:oxygen oxidoreductase (30-hydroxylating)
Reaction(IUBMB)
11-oxo-beta-amyrin + 3 O2 + 3 [reduced NADPH---hemoprotein reductase] = glycyrrhetinate + 3 [oxidized NADPH---hemoprotein reductase] + 4 H2O (overall reaction) [RN:
R10316 ];
(1a) 11-oxo-beta-amyrin + O2 + [reduced NADPH---hemoprotein reductase] = 30-hydroxy-11-oxo-beta-amyrin + [oxidized NADPH---hemoprotein reductase] + H2O [RN:
R10313 ];
(1b) 30-hydroxy-11-oxo-beta-amyrin + O2 + [reduced NADPH---hemoprotein reductase] = glycyrrhetaldehyde + [oxidized NADPH---hemoprotein reductase] + 2 H2O [RN:
R10314 ];
(1c) glycyrrhetaldehyde + O2 + [reduced NADPH---hemoprotein reductase] = glycyrrhetinate + [oxidized NADPH---hemoprotein reductase] + H2O [RN:
R10315 ]
Reaction(KEGG)
Substrate
11-oxo-beta-amyrin [CPD:
C19943 ];
O2 [CPD:
C00007 ];
[reduced NADPH---hemoprotein reductase] [CPD:
C03024 ];
30-hydroxy-11-oxo-beta-amyrin [CPD:
C20510 ];
glycyrrhetaldehyde [CPD:
C20511 ]
Product
glycyrrhetinate [CPD:
C02283 ];
[oxidized NADPH---hemoprotein reductase] [CPD:
C03161 ];
H2O [CPD:
C00001 ];
30-hydroxy-11-oxo-beta-amyrin [CPD:
C20510 ];
glycyrrhetaldehyde [CPD:
C20511 ]
Comment
A cytochrome P-450 (heme-thiolate) protein. The enzyme from the plant Glycyrrhiza uralensis (licorice) is involved in the biosynthesis of the triterpenoid saponin glycyrrhizin. The enzyme from the plant Medicago truncatula can also hydroxylate beta-amyrin.
History
EC 1.14.14.115 created 2013 as EC 1.14.13.173, transferred 2018 to EC 1.14.14.115
Orthology
K17873 11-oxo-beta-amyrin 30-oxidase
Genes
GMX : 100781923 100790445 102667924
GSJ : 114376255 114386791 114416844
PVU : PHAVU_005G0634001 PHAVU_011G161700g
VRA : 106762812 106780026 106780477
VAR : 108334287 108338792 108338865
VUN : 114168348 114169728 114169729 114185885
CCAJ : 109795352 109798847 109798864 109813753
APRC : 113853697 113864694 113864769
MTR : 11410378 11411801 11415378 25487125
TPRA : 123894540 123894972 123894993
CAM : 101495615 101500151 101506810
PSAT : 127075638 127075642
LJA : Lj0g3v0329019.1(Lj0g3v0329019.1) Lj6g3v0920050.3(Lj6g3v0920050.3)
ADU : 107459746 107459880 107476421 107485529
AIP : 107613581 107618986 107629316
AHF : 112703474 112703487 112736390 112772325 112776928 112784743 112797321
» show all
Taxonomy
Reference
Authors
Seki H, Sawai S, Ohyama K, Mizutani M, Ohnishi T, Sudo H, Fukushima EO, Akashi T, Aoki T, Saito K, Muranaka T
Title
Triterpene functional genomics in licorice for identification of CYP72A154 involved in the biosynthesis of glycyrrhizin.
Journal
Sequence
Other DBs