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ENZYME entry: EC 4.2.99.22

Accepted Name
Tuliposide A-converting enzyme.
Alternative Name(s)
6-O-(4 -hydroxy-2 -methylenebutyryl)-D-glucose acyltransferase (lactone- forming).
Tuliposide-converting enzyme.
Reaction catalysed
6-tuliposide A <=> tulipalin A + D-glucose
Comment(s)
  • Isolated from the plant Tulipa gesneriana (tulip).
  • The reaction is an intramolecular transesterification producing the lactone.
  • The enzyme also has a weak activity with 6-tuliposide B and 6-O- benzoyl-D-glucose.
Cross-references
BRENDA4.2.99.22
EC2PDB4.2.99.22
ExplorEnz4.2.99.22
PRIAM enzyme-specific profiles4.2.99.22
KEGG Ligand Database for Enzyme Nomenclature4.2.99.22
IUBMB Enzyme Nomenclature4.2.99.22
IntEnz4.2.99.22
MEDLINEFind literature relating to 4.2.99.22
MetaCyc4.2.99.22
Rhea expert-curated reactions4.2.99.22
UniProtKB/Swiss-Prot
R4X244, TCAB1_TULGE;  R4X4V6, TCAB2_TULGE;  R4X5P0, TCAB3_TULGE;  
R4X247, TCAB4_TULGE;  I4DST8, TCEA1_TULGE;  I4DST9, TCEA2_TULGE;  

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