engineering

Phospholipid-translocating ATPase

Phospholipid-translocating ATPase is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Phospholipid-translocating ATPase rather than just read about it. In short: In enzymology, a phospholipid-translocating ATPase (EC 3.6.3.1) is an enzyme that catalyzes the chemical reaction ATP + H2O + phospholipid in ⇌ {\displaystyle \rightleftharpoons } ADP + phosphate + phospholipid out The 3 substrates of this enzyme are ATP, H2O, and phospholipid, whereas its 3 products are ADP, phosphate, and phospholipid. This enzyme belongs to the family of hydrolases, specifically those acting on a…

Key takeaways

Phospholipid-translocating ATPase belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Phospholipid-translocating ATPase to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Phospholipid-translocating ATPase from memory before moving on to harder problems.

Reference excerpt

In enzymology, a phospholipid-translocating ATPase (EC 3.6.3.1) is an enzyme that catalyzes the chemical reaction

ATP + H2O + phospholipid in ⇌ {\displaystyle \rightleftharpoons } ADP + phosphate + phospholipid out The 3 substrates of this enzyme are ATP, H2O, and phospholipid, whereas its 3 products are ADP, phosphate, and phospholipid. This enzyme belongs to the family of hydrolases, specifically those acting on acid anhydrides to catalyse transmembrane movement of substances. The systematic name of this enzyme class is ATP phosphohydrolase (phospholipid-flipping). Other names in common use include Mg2+-ATPase, flippase, and aminophospholipid-transporting ATPase.

References

Morris MB, Auland ME, Xu YH, Roufogalis BD (1993). "Characterization of the Mg(2+)-ATPase activity of the human erythrocyte membrane". Biochem. Mol. Biol. Int. 31 (5): 823–32. PMID 8136700. Vermeulen WP, Briede JJ, Roelofsen B (1996). "Manipulation of the phosphatidylethanolamine pool in the human red cell membrane affects its Mg2+-ATPase activity". Mol. Membr. Biol. 13 (2): 95–102. doi:10.3109/09687689609160582. PMID 8839453. Suzuki H, Kamakura M, Morii M, Takeguchi N (1997). "The phospholipid flippase activity of gastric vesicles". J. Biol. Chem. 272 (16): 10429–34. doi:10.1074/jbc.272.16.10429. PMID 9099684. Auland ME, Roufogalis BD, Devaux PF, Zachowski A (1994). "Reconstitution of ATP-dependent aminophospholipid translocation in proteoliposomes". Proc. Natl. Acad. Sci. U.S.A. 91 (23): 10938–42. Bibcode:1994PNAS...9110938A. doi:10.1073/pnas.91.23.10938. PMC 45141. PMID 7971987.

Worked examples

Example 1 — a first encounter with Phospholipid-translocating ATPase

Start with the simplest possible case. Write down what Phospholipid-translocating ATPase claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Phospholipid-translocating ATPase before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Phospholipid-translocating ATPase ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Phospholipid-translocating ATPase

In research: Phospholipid-translocating ATPase appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Phospholipid-translocating ATPase in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Phospholipid-translocating ATPase is common in secondary-school and first-year university syllabi. It links to neighbouring topics EC 3.6.3, EC 3.6 stubs, Enzymes of unknown structure, so understanding it makes those chapters shorter.
In everyday life: Look for Phospholipid-translocating ATPase outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Phospholipid-translocating ATPase” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Phospholipid-translocating ATPase in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Phospholipid-translocating ATPase means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Phospholipid-translocating ATPase out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Phospholipid-translocating ATPase in simple terms?

In enzymology, a phospholipid-translocating ATPase (EC 3.6.3.1) is an enzyme that catalyzes the chemical reaction ATP + H2O + phospholipid in ⇌ {\displaystyle \rightleftharpoons } ADP + phosphate + phospholipid out The 3 substrates of this enzyme are ATP, H2O, and phospholipid, whereas its 3 produc…

Why does Phospholipid-translocating ATPase matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Phospholipid-translocating ATPase?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Phospholipid-translocating ATPase.