Proteins
Curated comments from UniProt
Type | Comment | Proteins |
---|---|---|
SHT_ARATH | developmental stage | Expressed during bud growth and diappears when the flower opens. |
SHT_ARATH | function | Hydroxycinnamoyl transferase involved in the conjugation of feruloyl CoA to spermidine (PubMed:19077165, PubMed:19762055, PubMed:33519864). Catalyzes the three conjugating steps required for the biosynthesis of N(1),N(4),N(8)-triferuloyl-spermidine (PubMed:19077165, PubMed:33519864). Spermidine is the only acceptor substrate while feruloyl CoA >caffeoyl CoA >coumaroyl CoA >cinnamoyl CoA >>sinapoyl CoA are efficient acyl donors. No activity with hydroxyferuloyl CoA (PubMed:19077165). Required for the biosynthesis of these conjugated spermidine derivatives, specifically in anther tapetum (PubMed:22912643). |
SHT_ARATH | similarity | Belongs to the plant acyltransferase family. |
SHT_ARATH | tissue specificity | Expressed in flower buds and inflorescences. Restricted to anther tapetum. |
Function
Gene Ontology
cellular component | |
---|---|
No terms in this category. | |
molecular function | |
spermidine:coumaroyl CoA N-acyltransferase activity | ECO |
spermidine:caffeoyl CoA N-acyltransferase activity | ECO |
spermidine:sinapoyl CoA N-acyltransferase activity | ECO |
N-acyltransferase activity | ECO |
spermidine:feruloyl CoA N-acyltransferase activity | ECO |
biological process | |
pollen development | ECO |
spermidine hydroxycinnamate conjugate biosynthetic process | ECO |
pollen exine formation | ECO |
Interactions
Interaction Network
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