biology

WWP2

WWP2 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 WWP2 rather than just read about it. In short: NEDD4-like E3 ubiquitin-protein ligase WWP2 also known as atrophin-1-interacting protein 2 (AIP2) or WW domain-containing protein 2 (WWP2) is an enzyme that in humans is encoded by the WWP2 gene. Function This gene encodes a member of the NEDD4-like protein family.

Key takeaways

WWP2 belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect WWP2 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of WWP2 from memory before moving on to harder problems.

Reference excerpt

NEDD4-like E3 ubiquitin-protein ligase WWP2 also known as atrophin-1-interacting protein 2 (AIP2) or WW domain-containing protein 2 (WWP2) is an enzyme that in humans is encoded by the WWP2 gene.

Function This gene encodes a member of the NEDD4-like protein family. The family of proteins is known to possess ubiquitin-protein ligase activity. The encoded protein contains 4 tandem WW domains. The WW domain is a protein motif consisting of 35 to 40 amino acids and is characterized by 4 conserved aromatic residues. The WW domain may mediate specific protein–protein interactions. Three alternatively spliced transcript variants encoding distinct isoforms have been found for this gene. In neurons, murine ortholog Wwp2 and its homolog Wwp1 control polarity acquisition, formation, and branching of axons, as well as migration of newly born nerve cells into the cortical plate.

Interactions WWP2 has been shown to interact with SCNN1B and ATN1.

Clinical significance Full-length WWP2 (WWP2-FL), together with N-terminal, (WWP2-N); C-terminal (WWP2-C) isoforms bind to SMAD proteins. WWP2-FL interacts with SMAD2, SMAD3 and SMAD7 in the TGF-β pathway. The WWP2-N isoform interacts with SMAD2 and SMAD3, whereas WWP2-C interacts only with SMAD7. Disruption of interactions between WWP2 and SMAD7 can stabilize SMAD7 protein levels and prevent TGF-β induced Epithelial-mesenchymal transition. Hence inhibiting WWP2 may in turn lead to the disabling of an inhibitor that normally controls cell growth and tumorogenesis. In tissue cultures lacking the inhibitor SMAD7, cancer cells spread rapidly, so that silencing WWP2 prevented the spread.

References

Illustrations

Worked examples

Example 1 — a first encounter with WWP2

Start with the simplest possible case. Write down what WWP2 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 WWP2 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 WWP2 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 WWP2

In research: WWP2 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 WWP2 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: WWP2 is common in secondary-school and first-year university syllabi. It links to neighbouring topics EC 6.3.2, Genes on human chromosome 16, Human chromosome 16 gene stubs, so understanding it makes those chapters shorter.
In everyday life: Look for WWP2 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 WWP2 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what WWP2 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 WWP2 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is WWP2 in simple terms?

NEDD4-like E3 ubiquitin-protein ligase WWP2 also known as atrophin-1-interacting protein 2 (AIP2) or WW domain-containing protein 2 (WWP2) is an enzyme that in humans is encoded by the WWP2 gene. Function This gene encodes a member of the NEDD4-like protein family.

Why does WWP2 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 WWP2?

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 WWP2.