4.2.99.23: tuliposide B-converting enzyme

This is an abbreviated version!
For detailed information about tuliposide B-converting enzyme, go to the full flat file.

Reaction

Synonyms

6-PosB-converting enzyme, ignition enzyme, non-ester-hydrolyzing TCE, Pos-converting enzyme, PosB-converting enzyme, TCE, TCEB, TCEB1, TgTCEB1, tuliposide B converting enzyme, tuliposide B-converting enzyme, tuliposide-converting enzyme

ECTree

     4 Lyases

         4.2 Carbon-oxygen lyases

             4.2.99 Other carbon-oxygen lyases

                4.2.99.23 tuliposide B-converting enzyme

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2	AA Sequence
1	Application
3	Cloned(Commentary)
3	General Information
7	Inhibitors
4	kcat/KM [mM/s]
11	KM Value [mM]
3	Localization
4	Molecular Weight [Da]
6	Natural Substrates/ Products (Substrates)
3	Organism
2	pH Optimum
1	pH Stability
1	Posttranslational Modification
1	Protein Variants
3	Purification (Commentary)
2	Reaction
3	Reference
7	Source Tissue
4	Specific Activity [micromol/min/mg]
15	Substrates and Products (Substrate)
3	Subunits
18	Synonyms
1	Systematic Name
2	Temperature Optimum [°C]
1	Temperature Stability [°C]
4	Turnover Number [1/s]

Systematic Name

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Systematic Name on EC 4.2.99.23 - tuliposide B-converting enzyme

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SYSTEMATIC NAME

IUBMB Comments

6-tuliposide B D-glucose-lyase (tulipalin B-forming)

The enzyme, characterized from pollen of the plant Tulipa gesneriana (tulip), catalyses the intramolecular transesterification of 6-tuliposide B to form the antibiotic aglycon tulipalin B as a sole product. It does not catalyse the hydrolysis of 6-tuliposide B to form a hydroxy acid. The enzyme has marginal activity with 6-tuliposide A. cf. EC 4.2.99.22, tuliposide A-converting enzyme.