PlantSME Plant secondary metabolism enzyme database
Rosmarinic acid portable pathway

Rosmarinic acid portable pathway

Rosmarinic acid pathway definition imported from the 2026-05-17 portable BLAST/HMM package.

Representative Rosmarinic Acid Reaction Route
Phenylalanine donor branch plus tyrosine acceptor branch. This pathway merges two aromatic amino-acid branches; after RAS condensation, CYP98A-type hydroxylases form rosmarinic acid with CPR electron-transfer support. The page displays annotatable members in the current reference library.
7 curated steps/modules
Phenylalanine Donor Branch
01
Substrate
L-Phenylalanine
C9H11NO2
C6H5-CH2-CH(NH2)-COOH
Deamination into the phenylpropanoid donor branch
Product
trans-Cinnamic acid
C9H8O2
C6H5-CH=CH-COOH
PAL converts L-phenylalanine to cinnamate as the entry step toward the 4-coumaroyl-CoA donor.
02
Substrate
trans-Cinnamic acid
C9H8O2
C6H5-CH=CH-COOH
Cinnamate 4-hydroxylation
Product
4-Coumaric acid
C9H8O3
4-HO-C6H4-CH=CH-COOH
C4H/CYP73A forms 4-coumaric acid for downstream CoA activation.
03
Substrate
4-Coumaric acid
C9H8O3
4-HO-C6H4-CH=CH-COOH
Substrate
CoA
C21H36N7O16P3S
CoA-SH
CoA ligation to form the RAS acyl donor
Product
4-Coumaroyl-CoA
C30H38N7O18P3S
4-HO-C6H4-CH=CH-C(=O)-SCoA
4CL generates 4-coumaroyl-CoA as the acyl donor for the RAS condensation reaction.
Tyrosine Acceptor Branch And Condensation
04
Substrate
L-Tyrosine
C9H11NO3
4-HO-C6H4-CH2-CH(NH2)-COOH
Transamination to 4-hydroxyphenylpyruvate
Product
4-Hydroxyphenylpyruvate
C9H8O4
4-HO-C6H4-CH2-C(=O)-COOH
TAT routes L-tyrosine into the 4-hydroxyphenylpyruvate acceptor branch.
05
Substrate
4-Hydroxyphenylpyruvate
C9H8O4
4-HO-C6H4-CH2-C(=O)-COOH
Reduction to the HPLA acceptor
Product
4-Hydroxyphenyllactate
C9H10O4
4-HO-C6H4-CH2-CH(OH)-COOH
HPPR reduces 4-hydroxyphenylpyruvate to 4-hydroxyphenyllactate.
06
Substrate
4-Coumaroyl-CoA
C30H38N7O18P3S
4-HO-C6H4-CH=CH-C(=O)-SCoA
Substrate
4-Hydroxyphenyllactate
C9H10O4
4-HO-C6H4-CH2-CH(OH)-COOH
Ester-forming condensation
Product
4-Coumaroyl-4'-hydroxyphenyllactate
C18H16O7
4-HO-C6H4-CH=CH-C(=O)-O-CH(COOH)-CH2-Ar-OH
RAS couples the acyl donor with the HPLA acceptor to form the direct rosmarinic-acid precursor.
07
Substrate
4-Coumaroyl-4'-hydroxyphenyllactate
C18H16O7
mono-catechol ester precursor
CYP98A14-type hydroxylation with CPR electron-transfer support
Product
Rosmarinic acid
C18H16O8
caffeoyl-O-3,4-dihydroxyphenyllactate
CYP98A14 or close CYP98A enzymes catalyse 3/3' hydroxylation; CPR in the current reference library represents electron-transfer support for this P450 reaction and should not be interpreted as CPR alone performing hydroxylation.
Lineage Distribution
Assignments under this module are distributed across the following plant lineages.
Current lineage filter: Lycophytes/Ferns. All species, family, module, and gene statistics below have been narrowed to this lineage.
Lineage Summary
Module Gene List
Reset
GeneSpeciesProtein ID
ItaiItaiw_v1_scaffold_260198170.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_260198170.1
ItaiItaiw_v1_scaffold_270201430.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_270201430.1
ItaiItaiw_v1_scaffold_270202810.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_270202810.1
ItaiItaiw_v1_scaffold_280205490.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_280205490.1
ItaiItaiw_v1_scaffold_290210330.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_290210330.1
ItaiItaiw_v1_scaffold_300224470.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_300224470.1
ItaiItaiw_v1_scaffold_300225290.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_300225290.1
ItaiItaiw_v1_scaffold_300225300.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_300225300.1
ItaiItaiw_v1_scaffold_30215450.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_30215450.1
ItaiItaiw_v1_scaffold_30215690.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_30215690.1
ItaiItaiw_v1_scaffold_30215700.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_30215700.1
ItaiItaiw_v1_scaffold_30216540.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_30216540.1
ItaiItaiw_v1_scaffold_30218790.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_30218790.1
ItaiItaiw_v1_scaffold_310228090.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_310228090.1
ItaiItaiw_v1_scaffold_320233560.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_320233560.1
ItaiItaiw_v1_scaffold_330238470.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_330238470.1
ItaiItaiw_v1_scaffold_330240440.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_330240440.1
ItaiItaiw_v1_scaffold_350248290.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_350248290.1
ItaiItaiw_v1_scaffold_350248300.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_350248300.1
ItaiItaiw_v1_scaffold_350248380.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_350248380.1
ItaiItaiw_v1_scaffold_350248390.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_350248390.1
ItaiItaiw_v1_scaffold_360249760.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_360249760.1
ItaiItaiw_v1_scaffold_360250820.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_360250820.1
ItaiItaiw_v1_scaffold_390259260.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_390259260.1
ItaiItaiw_v1_scaffold_390260310.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_390260310.1
ItaiItaiw_v1_scaffold_390260320.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_390260320.1
ItaiItaiw_v1_scaffold_390260330.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_390260330.1
ItaiItaiw_v1_scaffold_390260730.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_390260730.1
ItaiItaiw_v1_scaffold_390260740.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_390260740.1
ItaiItaiw_v1_scaffold_390260760.1 isoetes_taiwanensis ItaiItaiw_v1_scaffold_390260760.1