BIO 3232 Transbilayer Movement Enzymes

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8 Terms

1
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Flippase moves lipids:

Outer leaflet to inner leaflet

2
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Flippases move which lipids:

Catalyze translocation of the aminophospholipids phosphatidylethanolamine (PE) and phosphatidylserine (PS) from the extracellular to the cytosolic leaflet of the plasma membrane, contributing to the asymmetric distribution of phospholipids.

3
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Are flippases ATP dependent?

Yes

4
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Floppases move where?

Inner to outer

5
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Are floppases ATP dependent?

Yes

6
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What lipids do floppases move?

Specific dependent on floppase

7
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Scramblases move where to where?

Either or

8
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Scramblases use ATP?

No - use concentration gradient