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.chr3.953 acer_truncatum acer_truncatum_Atru.chr3.953
acer_truncatum_Atru.chr3.967 acer_truncatum acer_truncatum_Atru.chr3.967
acer_truncatum_Atru.chr4.1445 acer_truncatum acer_truncatum_Atru.chr4.1445
acer_truncatum_Atru.chr4.1549 acer_truncatum acer_truncatum_Atru.chr4.1549
acer_truncatum_Atru.chr4.1603 acer_truncatum acer_truncatum_Atru.chr4.1603
acer_truncatum_Atru.chr4.1943 acer_truncatum acer_truncatum_Atru.chr4.1943
acer_truncatum_Atru.chr4.2506 acer_truncatum acer_truncatum_Atru.chr4.2506
acer_truncatum_Atru.chr4.255 acer_truncatum acer_truncatum_Atru.chr4.255
acer_truncatum_Atru.chr4.293 acer_truncatum acer_truncatum_Atru.chr4.293
acer_truncatum_Atru.chr4.296 acer_truncatum acer_truncatum_Atru.chr4.296
acer_truncatum_Atru.chr4.2974 acer_truncatum acer_truncatum_Atru.chr4.2974
acer_truncatum_Atru.chr4.2975 acer_truncatum acer_truncatum_Atru.chr4.2975
acer_truncatum_Atru.chr4.304 acer_truncatum acer_truncatum_Atru.chr4.304
acer_truncatum_Atru.chr4.464 acer_truncatum acer_truncatum_Atru.chr4.464
acer_truncatum_Atru.chr4.501 acer_truncatum acer_truncatum_Atru.chr4.501
acer_truncatum_Atru.chr4.502 acer_truncatum acer_truncatum_Atru.chr4.502
acer_truncatum_Atru.chr4.970 acer_truncatum acer_truncatum_Atru.chr4.970
acer_truncatum_Atru.chr5.13 acer_truncatum acer_truncatum_Atru.chr5.13
acer_truncatum_Atru.chr5.1609 acer_truncatum acer_truncatum_Atru.chr5.1609
acer_truncatum_Atru.chr5.2466 acer_truncatum acer_truncatum_Atru.chr5.2466
acer_truncatum_Atru.chr5.2516 acer_truncatum acer_truncatum_Atru.chr5.2516
acer_truncatum_Atru.chr5.2697 acer_truncatum acer_truncatum_Atru.chr5.2697
acer_truncatum_Atru.chr5.2906 acer_truncatum acer_truncatum_Atru.chr5.2906
acer_truncatum_Atru.chr5.3074 acer_truncatum acer_truncatum_Atru.chr5.3074
acer_truncatum_Atru.chr5.3075 acer_truncatum acer_truncatum_Atru.chr5.3075
acer_truncatum_Atru.chr5.3120 acer_truncatum acer_truncatum_Atru.chr5.3120
acer_truncatum_Atru.chr5.3132 acer_truncatum acer_truncatum_Atru.chr5.3132
acer_truncatum_Atru.chr5.3133 acer_truncatum acer_truncatum_Atru.chr5.3133
acer_truncatum_Atru.chr5.3312 acer_truncatum acer_truncatum_Atru.chr5.3312
acer_truncatum_Atru.chr5.334 acer_truncatum acer_truncatum_Atru.chr5.334