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biology

TOB1

TOB1 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 TOB1 rather than just read about it. In short: Protein Tob1 is a protein that in humans is encoded by the TOB1 gene. Function This gene encodes a member of the tob/btg1 family of anti-proliferative proteins that have the potential to regulate cell growth.

TOB1 — main illustration
TOB1 — illustration

Key takeaways

  • TOB1 belongs to biology; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect TOB1 to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of TOB1 from memory before moving on to harder problems.

Reference excerpt

Protein Tob1 is a protein that in humans is encoded by the TOB1 gene.

Function This gene encodes a member of the tob/btg1 family of anti-proliferative proteins that have the potential to regulate cell growth. When exogenously expressed, this protein suppresses cell growth in tissue culture. The protein undergoes phosphorylation by a serine/threonine kinase, 90 kDa ribosomal S6 kinase. Interactions of this protein with the v-erb-b2 erythroblastic leukemia viral oncogene homolog 2 gene product p185 interferes with growth suppression. This protein inhibits T cell proliferation and transcription of cytokines and cyclins. The protein interacts with both mothers against decapentaplegic Drosophila homolog 2 and 4 to enhance their DNA binding activity. This interaction inhibits interleukin 2 transcription in T cells.

Interactions TOB1 has been shown to interact with:

CNOT7, MAPK1 MARCKS, Mitogen-activated protein kinase 9, and RPS6KA1.

References

Further reading

External links TOB1 human gene location in the UCSC Genome Browser. TOB1 human gene details in the UCSC Genome Browser.

Illustrations

TOB1 illustration
TOB1 illustration
TOB1 illustration
TOB1 illustration
TOB1 illustration

Worked examples

Example 1 — a first encounter with TOB1

Start with the simplest possible case. Write down what TOB1 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 TOB1 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 TOB1 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 TOB1

In research
TOB1 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 TOB1 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
TOB1 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 TOB1 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 TOB1 in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what TOB1 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 TOB1 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is TOB1 in simple terms?

Protein Tob1 is a protein that in humans is encoded by the TOB1 gene. Function This gene encodes a member of the tob/btg1 family of anti-proliferative proteins that have the potential to regulate cell growth.

Why does TOB1 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 TOB1?

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 TOB1.

Tags

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

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