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.
Module Gene List
GeneSpeciesProtein ID
acer_truncatum_Atru.chr5.335 acer_truncatum acer_truncatum_Atru.chr5.335
acer_truncatum_Atru.chr5.337 acer_truncatum acer_truncatum_Atru.chr5.337
acer_truncatum_Atru.chr5.340 acer_truncatum acer_truncatum_Atru.chr5.340
acer_truncatum_Atru.chr5.343 acer_truncatum acer_truncatum_Atru.chr5.343
acer_truncatum_Atru.chr5.344 acer_truncatum acer_truncatum_Atru.chr5.344
acer_truncatum_Atru.chr5.345 acer_truncatum acer_truncatum_Atru.chr5.345
acer_truncatum_Atru.chr5.351 acer_truncatum acer_truncatum_Atru.chr5.351
acer_truncatum_Atru.chr5.352 acer_truncatum acer_truncatum_Atru.chr5.352
acer_truncatum_Atru.chr5.353 acer_truncatum acer_truncatum_Atru.chr5.353
acer_truncatum_Atru.chr5.354 acer_truncatum acer_truncatum_Atru.chr5.354
acer_truncatum_Atru.chr5.508 acer_truncatum acer_truncatum_Atru.chr5.508
acer_truncatum_Atru.chr5.679 acer_truncatum acer_truncatum_Atru.chr5.679
acer_truncatum_Atru.chr5.738 acer_truncatum acer_truncatum_Atru.chr5.738
acer_truncatum_Atru.chr5.89 acer_truncatum acer_truncatum_Atru.chr5.89
acer_truncatum_Atru.chr5.90 acer_truncatum acer_truncatum_Atru.chr5.90
acer_truncatum_Atru.chr5.92 acer_truncatum acer_truncatum_Atru.chr5.92
acer_truncatum_Atru.chr5.947 acer_truncatum acer_truncatum_Atru.chr5.947
acer_truncatum_Atru.chr6.1437 acer_truncatum acer_truncatum_Atru.chr6.1437
acer_truncatum_Atru.chr6.1563 acer_truncatum acer_truncatum_Atru.chr6.1563
acer_truncatum_Atru.chr6.1564 acer_truncatum acer_truncatum_Atru.chr6.1564
acer_truncatum_Atru.chr6.1859 acer_truncatum acer_truncatum_Atru.chr6.1859
acer_truncatum_Atru.chr6.1983 acer_truncatum acer_truncatum_Atru.chr6.1983
acer_truncatum_Atru.chr6.2002 acer_truncatum acer_truncatum_Atru.chr6.2002
acer_truncatum_Atru.chr6.2003 acer_truncatum acer_truncatum_Atru.chr6.2003
acer_truncatum_Atru.chr6.2014 acer_truncatum acer_truncatum_Atru.chr6.2014
acer_truncatum_Atru.chr6.2126 acer_truncatum acer_truncatum_Atru.chr6.2126
acer_truncatum_Atru.chr6.2447 acer_truncatum acer_truncatum_Atru.chr6.2447
acer_truncatum_Atru.chr6.2509 acer_truncatum acer_truncatum_Atru.chr6.2509
acer_truncatum_Atru.chr6.2510 acer_truncatum acer_truncatum_Atru.chr6.2510
acer_truncatum_Atru.chr6.2562 acer_truncatum acer_truncatum_Atru.chr6.2562