engineering

Peroxisome-assembly ATPase

Peroxisome-assembly 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 Peroxisome-assembly ATPase rather than just read about it. In short: In enzymology, a peroxisome-assembly ATPase (EC 3.6.4.7) is an enzyme that catalyzes the chemical reaction ATP + H2O ⇌ {\displaystyle \rightleftharpoons } ADP + phosphate Thus, the two substrates of this enzyme are ATP and H2O, whereas its two products are ADP and phosphate. Its function is to transport components of the peroxisome in and out of the organelle.

Key takeaways

Peroxisome-assembly 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 Peroxisome-assembly ATPase to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Peroxisome-assembly ATPase from memory before moving on to harder problems.

Reference excerpt

In enzymology, a peroxisome-assembly ATPase (EC 3.6.4.7) is an enzyme that catalyzes the chemical reaction

ATP + H2O ⇌ {\displaystyle \rightleftharpoons } ADP + phosphate Thus, the two substrates of this enzyme are ATP and H2O, whereas its two products are ADP and phosphate. Its function is to transport components of the peroxisome in and out of the organelle. This enzyme belongs to the family of hydrolases, specifically those acting on acid anhydrides to facilitate cellular and subcellular movement. The systematic name of this enzyme class is ATP phosphohydrolase (peroxisome-assembling). This enzyme is also called peroxisome assembly factor-2.

References

Lee YJ, Wickner RB (1992). "AFG1, a new member of the SEC18-NSF, PAS1, CDC48-VCP, TBP family of ATPases". Yeast. 8 (9): 787–90. doi:10.1002/yea.320080912. PMID 1441755. T, Fujiki Y, Sakai F, Bogaki A, et al. (1995). "Peroxisome assembly factor-2, a putative ATPase cloned by functional complementation on a peroxisome-deficient mammalian cell mutant". Nat. Genet. 11 (4): 395–401. doi:10.1038/ng1295-395. PMID 7493019. Valle D, Gould SJ (1996). "The peroxisome biogenesis disorder group 4 gene, PXAAA1, encodes a cytoplasmic ATPase required for stability of the PTS1 receptor". EMBO J. 15 (12): 2914–23. doi:10.1002/j.1460-2075.1996.tb00654.x. PMC 450231. PMID 8670792.

Worked examples

Example 1 — a first encounter with Peroxisome-assembly ATPase

Start with the simplest possible case. Write down what Peroxisome-assembly 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 Peroxisome-assembly 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 Peroxisome-assembly 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 Peroxisome-assembly ATPase

In research: Peroxisome-assembly 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 Peroxisome-assembly 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: Peroxisome-assembly ATPase is common in secondary-school and first-year university syllabi. It links to neighbouring topics EC 3.6.4, EC 3.6 stubs, Enzymes of unknown structure, so understanding it makes those chapters shorter.
In everyday life: Look for Peroxisome-assembly 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.

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How to study Peroxisome-assembly ATPase in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Peroxisome-assembly 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 Peroxisome-assembly ATPase out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Peroxisome-assembly ATPase in simple terms?

In enzymology, a peroxisome-assembly ATPase (EC 3.6.4.7) is an enzyme that catalyzes the chemical reaction ATP + H2O ⇌ {\displaystyle \rightleftharpoons } ADP + phosphate Thus, the two substrates of this enzyme are ATP and H2O, whereas its two products are ADP and phosphate. Its function is to tran…

Why does Peroxisome-assembly 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 Peroxisome-assembly 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 Peroxisome-assembly ATPase.