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MS
unreviewed

Non-enzymatic photolysis (UVB ~290-315 nm)

1 reactions · 1 pathways

What it does, reaction by reaction

1 reactions

Vitamin D Activation Cofactor & Vitamin Metabolism · Skin, liver ER, renal proximal tubule mitochondria

step 1 Irreversible/directional

7-Dehydrocholesterol + UVB -> previtamin D3 -> cholecalciferol (D3)

Converts 7-Dehydrocholesterol UVB into Previtamin D3

Notes

Occurs in the epidermis; limited by skin pigmentation, latitude, season and sunscreen.

Showing all 1 reactions.

What accelerates and inhibits it

Regulation is pathway-specific, so each context is listed separately

0 entries

No regulation recorded for this enzyme in the source documents.

Recent literature

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