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biology

ING1

ING1 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 ING1 rather than just read about it. In short: Inhibitor of growth protein 1 is a protein that in humans is encoded by the ING1 gene. Function This gene encodes a tumor suppressor protein that can induce cell growth arrest and apoptosis.

ING1 — main illustration
ING1 — illustration

Key takeaways

  • ING1 belongs to biology; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect ING1 to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of ING1 from memory before moving on to harder problems.

Reference excerpt

Inhibitor of growth protein 1 is a protein that in humans is encoded by the ING1 gene.

Function This gene encodes a tumor suppressor protein that can induce cell growth arrest and apoptosis. The encoded protein is a nuclear protein that physically interacts with the tumor suppressor protein TP53 and is a component of the p53 signaling pathway. Reduced expression and rearrangement of this gene have been detected in various cancers. Multiple alternatively spliced transcript variants encoding distinct isoforms have been reported. One of the isoforms of ING1 (p33(ING1) is involved in the modulation of DNA repair. It appears that p33(ING1) cooperates with p53 in nucleotide excision repair. Also, proliferating cell nuclear antigen (PCNA) interacts with p33(ING1b) in the elimination of UV-damaged cells through the induction of programmed cell death (apoptosis).

Location on Chromosome 13 ING1 is located near the following genes on Chromosome 13

CARKD Carbohydrate Kinase Domain-Containing Protein (Unknown Function) COL4A2: A2 Subunit of type IV collagen RAB20: Potential regulator of Connexin 43 trafficking. CARS2: Mitochondrial Cystienyl-tRNA Synthetase 2

Interactions ING1 has been shown to interact with:

References

Further reading

External links ING1+protein,+human at the U.S. National Library of Medicine Medical Subject Headings (MeSH) This article incorporates text from the United States National Library of Medicine, which is in the public domain.

Illustrations

ING1 illustration
ING1 illustration
ING1 illustration
ING1 illustration
ING1 illustration

Worked examples

Example 1 — a first encounter with ING1

Start with the simplest possible case. Write down what ING1 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 ING1 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 ING1 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 ING1

In research
ING1 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 ING1 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
ING1 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Genes on human chromosome 13, Transcription factors, so understanding it makes those chapters shorter.
In everyday life
Look for ING1 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 ING1 in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what ING1 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 ING1 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is ING1 in simple terms?

Inhibitor of growth protein 1 is a protein that in humans is encoded by the ING1 gene. Function This gene encodes a tumor suppressor protein that can induce cell growth arrest and apoptosis.

Why does ING1 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 ING1?

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 ING1.

Tags

  • Genes on human chromosome 13
  • Transcription factors

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