science

Phenylacetyl-CoA

Phenylacetyl-CoA is a science 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 Phenylacetyl-CoA rather than just read about it. In short: Phenylacetyl-CoA (C29H42N7O17P3S) is a form of acetyl-CoA formed from the condensation of the thiol group from coenzyme A with the carboxyl group of phenylacetic acid. Its molecular-weight is 885.7 g/mol. and IUPAC name is S-[2-[3-[[(2R)-4-[[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-4-hydroxy-3-phosphonooxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-hydroxyphosphoryl]oxy-2-hydroxy-3,3-dimethylbutanoyl]amino]propanoylamino]…

Key takeaways

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

Reference excerpt

Phenylacetyl-CoA (C29H42N7O17P3S) is a form of acetyl-CoA formed from the condensation of the thiol group from coenzyme A with the carboxyl group of phenylacetic acid. Its molecular-weight is 885.7 g/mol. and IUPAC name is S-[2-[3-[[(2R)-4-[[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-4-hydroxy-3-phosphonooxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-hydroxyphosphoryl]oxy-2-hydroxy-3,3-dimethylbutanoyl]amino]propanoylamino]ethyl] 2-phenylethanethioate. It is formed via the actions of Phenylacetate—CoA ligase. Phenylacetyl-CoA is often produced via the reduction of ATP to AMP and the conversion of phenylacetate and CoA to diphosphate and Phenylacetyl-CoA.

ATP + phenylacetate + CoA → AMP + diphosphate + phenylacetyl-CoA This reaction is catalyzed by phenylacetate-CoA ligase. Phenylacetyl-CoA combines with water and quinone to produce phenylglyoxylyl-CoA and quinol via a phenylacetyl-CoA dehydrogenase reaction acting as an oxidoreductase. Phenylacetyl-CoA inhibits choline acetyltransferase acting as a neurotoxin. It competes with acetyl-CoA.

References

Worked examples

Example 1 — a first encounter with Phenylacetyl-CoA

Start with the simplest possible case. Write down what Phenylacetyl-CoA claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Phenylacetyl-CoA 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 Phenylacetyl-CoA 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 Phenylacetyl-CoA

In research: Phenylacetyl-CoA appears in science 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 Phenylacetyl-CoA 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: Phenylacetyl-CoA is common in secondary-school and first-year university syllabi. It links to neighbouring topics Cholinergics, Glycolysis, Thioesters of coenzyme A, so understanding it makes those chapters shorter.
In everyday life: Look for Phenylacetyl-CoA 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 Phenylacetyl-CoA in 20 minutes

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

Frequently asked questions

What is Phenylacetyl-CoA in simple terms?

Why does Phenylacetyl-CoA matter?

Because it connects several science 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 Phenylacetyl-CoA?

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 Phenylacetyl-CoA.