ArticleslgStudy

biology

PPP1R9B

PPP1R9B 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 PPP1R9B rather than just read about it. In short: Neurabin-2 is a protein that in humans is encoded by the PPP1R9B gene. Spinophilin is a regulatory subunit of protein phosphatase-1 catalytic subunit (PP1; see MIM 176875) and is highly enriched in dendritic spines, specialized protrusions from dendritic shafts that receive most of the excitatory input in the central nervous system (Allen et al., 1997).[supplied by OMIM] Interactions PPP1R9B has been shown to intera…

PPP1R9B — main illustration
PPP1R9B — illustration

Key takeaways

  • PPP1R9B belongs to biology; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect PPP1R9B to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of PPP1R9B from memory before moving on to harder problems.

Reference excerpt

Neurabin-2 is a protein that in humans is encoded by the PPP1R9B gene. Spinophilin is a regulatory subunit of protein phosphatase-1 catalytic subunit (PP1; see MIM 176875) and is highly enriched in dendritic spines, specialized protrusions from dendritic shafts that receive most of the excitatory input in the central nervous system (Allen et al., 1997).[supplied by OMIM]

Interactions PPP1R9B has been shown to interact with PPP1CB, PPP1CA, Dopamine receptor D2, P16, PPP1CC, T-cell lymphoma invasion and metastasis-inducing protein 1 and PPP1R2.

References

Further reading

Illustrations

PPP1R9B illustration
PPP1R9B illustration
PPP1R9B illustration
PPP1R9B illustration
PPP1R9B illustration

Worked examples

Example 1 — a first encounter with PPP1R9B

Start with the simplest possible case. Write down what PPP1R9B 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 PPP1R9B 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 PPP1R9B 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 PPP1R9B

In research
PPP1R9B 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 PPP1R9B 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
PPP1R9B is common in secondary-school and first-year university syllabi. It links to neighbouring topics Genes on human chromosome 17, Human chromosome 17 gene stubs, so understanding it makes those chapters shorter.
In everyday life
Look for PPP1R9B 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.
Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “PPP1R9B” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study PPP1R9B in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what PPP1R9B 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 PPP1R9B out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is PPP1R9B in simple terms?

Neurabin-2 is a protein that in humans is encoded by the PPP1R9B gene. Spinophilin is a regulatory subunit of protein phosphatase-1 catalytic subunit (PP1; see MIM 176875) and is highly enriched in dendritic spines, specialized protrusions from dendritic shafts that receive most of the excitatory i…

Why does PPP1R9B 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 PPP1R9B?

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 PPP1R9B.

Tags

  • Genes on human chromosome 17
  • Human chromosome 17 gene stubs

Keep exploring