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EC 4.2.99.22 Details
EC number
4.2.99.22
Accepted name
tuliposide A-converting enzyme
Reaction
6-tuliposide A = tulipalin A + D-glucose
Other name(s)
tuliposide-converting enzyme, 6-O-(4′-hydroxy-2′-methylenebutyryl)-D-glucose acyltransferase (lactone-forming), TCA, TCEA
Systematic name
6-tuliposide A D-glucose-lyase (tulipalin-A-forming)
Comment
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.
History
created 2013
EC Tree
1.14.11.5 created 1972, deleted 1976