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LPAR4

LPAR4 is a biology 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 LPAR4 rather than just read about it. In short: Lysophosphatidic acid receptor 4 also known as LPA4 is a protein that in humans is encoded by the LPAR4 gene. LPA4 is a G protein-coupled receptor that binds the lipid signaling molecule lysophosphatidic acid (LPA).

LPAR4 — main illustration
LPAR4 — illustration

Key takeaways

  • LPAR4 belongs to biology; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect LPAR4 to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of LPAR4 from memory before moving on to harder problems.

Reference excerpt

Lysophosphatidic acid receptor 4 also known as LPA4 is a protein that in humans is encoded by the LPAR4 gene. LPA4 is a G protein-coupled receptor that binds the lipid signaling molecule lysophosphatidic acid (LPA).

See also Lysophospholipid receptor P2Y receptor

References

Further reading

This article incorporates text from the United States National Library of Medicine, which is in the public domain.

Illustrations

LPAR4 illustration
LPAR4 illustration
LPAR4 illustration
LPAR4 illustration
LPAR4 illustration

Worked examples

Example 1 — a first encounter with LPAR4

Start with the simplest possible case. Write down what LPAR4 claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, 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 LPAR4 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 LPAR4 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 LPAR4

In research
LPAR4 appears in biology 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 LPAR4 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
LPAR4 is common in secondary-school and first-year university syllabi. It links to neighbouring topics G protein-coupled receptors, Genes on human chromosome X, Transmembrane receptor stubs, so understanding it makes those chapters shorter.
In everyday life
Look for LPAR4 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 LPAR4 in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what LPAR4 means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain LPAR4 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is LPAR4 in simple terms?

Lysophosphatidic acid receptor 4 also known as LPA4 is a protein that in humans is encoded by the LPAR4 gene. LPA4 is a G protein-coupled receptor that binds the lipid signaling molecule lysophosphatidic acid (LPA).

Why does LPAR4 matter?

Because it connects several biology 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 LPAR4?

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 LPAR4.

Tags

  • G protein-coupled receptors
  • Genes on human chromosome X
  • Transmembrane receptor stubs

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