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sphingolipid 4-desaturase

Cat No.
EXWM-0979
Description
The enzyme, which has been characterized from plants, fungi, and mammals, generates a trans double bond at position 4 of sphinganine bases in sphingolipids. The preferred substrate is dihydroceramide, but the enzyme is also active with dihydroglucosylceramide. Unlike EC 1.14.19.29, sphingolipid 8-desaturase, this enzyme does not contain an integral cytochrome b5 domain and requires an external cytochrome b5. The product serves as an important signalling molecules in mammals and is required for spermatide differentiation.
Form
Liquid or lyophilized powder
Enzyme Commission Number
Storage
Store it at +4 ºC for short term. For long term storage, store it at -20 ºC~-80 ºC.
Synonyms
dehydroceramide desaturase
Reaction
a dihydroceramide + 2 ferrocytochrome b5 + O2 + 2 H+ = a (4E)-sphing-4-enine ceramide + 2 ferricytochrome b5 + 2 H2O
Notes
This item requires custom production and lead time is between 5-9 weeks. We can custom produce according to your specifications.
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