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.chr8.1712 acer_truncatum acer_truncatum_Atru.chr8.1712
acer_truncatum_Atru.chr8.2276 acer_truncatum acer_truncatum_Atru.chr8.2276
acer_truncatum_Atru.chr8.2618 acer_truncatum acer_truncatum_Atru.chr8.2618
acer_truncatum_Atru.chr8.549 acer_truncatum acer_truncatum_Atru.chr8.549
acer_truncatum_Atru.chr9.1036 acer_truncatum acer_truncatum_Atru.chr9.1036
acer_truncatum_Atru.chr9.1039 acer_truncatum acer_truncatum_Atru.chr9.1039
acer_truncatum_Atru.chr9.1067 acer_truncatum acer_truncatum_Atru.chr9.1067
acer_truncatum_Atru.chr9.1082 acer_truncatum acer_truncatum_Atru.chr9.1082
acer_truncatum_Atru.chr9.1085 acer_truncatum acer_truncatum_Atru.chr9.1085
acer_truncatum_Atru.chr9.1214 acer_truncatum acer_truncatum_Atru.chr9.1214
acer_truncatum_Atru.chr9.1406.1 acer_truncatum acer_truncatum_Atru.chr9.1406.1
acer_truncatum_Atru.chr9.1407 acer_truncatum acer_truncatum_Atru.chr9.1407
acer_truncatum_Atru.chr9.1408 acer_truncatum acer_truncatum_Atru.chr9.1408
acer_truncatum_Atru.chr9.1413 acer_truncatum acer_truncatum_Atru.chr9.1413
acer_truncatum_Atru.chr9.1442 acer_truncatum acer_truncatum_Atru.chr9.1442
acer_truncatum_Atru.chr9.1485 acer_truncatum acer_truncatum_Atru.chr9.1485
acer_truncatum_Atru.chr9.1489 acer_truncatum acer_truncatum_Atru.chr9.1489
acer_truncatum_Atru.chr9.1495 acer_truncatum acer_truncatum_Atru.chr9.1495
acer_truncatum_Atru.chr9.1496 acer_truncatum acer_truncatum_Atru.chr9.1496
acer_truncatum_Atru.chr9.1550 acer_truncatum acer_truncatum_Atru.chr9.1550
acer_truncatum_Atru.chr9.1881 acer_truncatum acer_truncatum_Atru.chr9.1881
acer_truncatum_Atru.chr9.2000 acer_truncatum acer_truncatum_Atru.chr9.2000
acer_truncatum_Atru.chr9.2047 acer_truncatum acer_truncatum_Atru.chr9.2047
acer_truncatum_Atru.chr9.2169 acer_truncatum acer_truncatum_Atru.chr9.2169
acer_truncatum_Atru.chr9.2224 acer_truncatum acer_truncatum_Atru.chr9.2224
acer_truncatum_Atru.chr9.2225 acer_truncatum acer_truncatum_Atru.chr9.2225
acer_truncatum_Atru.chr9.2226 acer_truncatum acer_truncatum_Atru.chr9.2226
acer_truncatum_Atru.chr9.2264 acer_truncatum acer_truncatum_Atru.chr9.2264
acer_truncatum_Atru.chr9.2265 acer_truncatum acer_truncatum_Atru.chr9.2265
acer_truncatum_Atru.chr9.2331 acer_truncatum acer_truncatum_Atru.chr9.2331