biology

Liprin-alpha-1

Liprin-alpha-1 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 Liprin-alpha-1 rather than just read about it. In short: Liprin-alpha-1 is a protein that in humans is encoded by the PPFIA1 gene. Function The protein encoded by this gene is a member of the LAR protein tyrosine phosphatase-interacting protein (liprin) family.

Key takeaways

Liprin-alpha-1 belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Liprin-alpha-1 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Liprin-alpha-1 from memory before moving on to harder problems.

Reference excerpt

Liprin-alpha-1 is a protein that in humans is encoded by the PPFIA1 gene.

Function The protein encoded by this gene is a member of the LAR protein tyrosine phosphatase-interacting protein (liprin) family. Liprins interact with members of LAR family of transmembrane protein tyrosine phosphatases, which are known to be important for axon guidance and mammary gland development. This protein binds to the intracellular membrane-distal phosphatase domain of tyrosine phosphatase LAR, and appears to localize LAR to cell focal adhesions. This interaction may regulate the disassembly of focal adhesion and thus help orchestrate cell-matrix interactions. Alternatively spliced transcript variants encoding distinct isoforms have been described.

Interactions Protein tyrosine phosphatase, receptor type, f polypeptide (PTPRF), interacting protein (liprin), alpha 1 has been shown to interact with:

References

Illustrations

Worked examples

Example 1 — a first encounter with Liprin-alpha-1

Start with the simplest possible case. Write down what Liprin-alpha-1 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 Liprin-alpha-1 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 Liprin-alpha-1 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 Liprin-alpha-1

In research: Liprin-alpha-1 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 Liprin-alpha-1 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: Liprin-alpha-1 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Genes on human chromosome 11, Human chromosome 11 gene stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Liprin-alpha-1 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 Liprin-alpha-1 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Liprin-alpha-1 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 Liprin-alpha-1 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Liprin-alpha-1 in simple terms?

Liprin-alpha-1 is a protein that in humans is encoded by the PPFIA1 gene. Function The protein encoded by this gene is a member of the LAR protein tyrosine phosphatase-interacting protein (liprin) family.

Why does Liprin-alpha-1 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 Liprin-alpha-1?

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 Liprin-alpha-1.