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biology

PIK3CG

PIK3CG 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 PIK3CG rather than just read about it. In short: Phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit gamma isoform is an enzyme that in humans is encoded by the PIK3CG gene. Function This gene encodes a protein that belongs to the pi3/pi4-kinase family of proteins.

PIK3CG — main illustration
PIK3CG — illustration

Key takeaways

  • PIK3CG belongs to biology; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect PIK3CG to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of PIK3CG from memory before moving on to harder problems.

Reference excerpt

Phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit gamma isoform is an enzyme that in humans is encoded by the PIK3CG gene.

Function This gene encodes a protein that belongs to the pi3/pi4-kinase family of proteins. The gene product is an enzyme that phosphorylates phosphoinositides on the 3-hydroxyl group of the inositol ring. It is an important modulator of extracellular signals, including those elicited by E-cadherin-mediated cell-cell adhesion, which plays an important role in maintenance of the structural and functional integrity of epithelia. In addition to its role in promoting assembly of adherens junctions, the protein is thought to play a pivotal role in the regulation of cytotoxicity in NK cells. The gene is located in a commonly deleted segment of chromosome 7 previously identified in myeloid leukemias. More recently, this gene has been shown to be a critical myeloid-restricted vulnerability in Acute Myeloid Leukemia (AML). Its targeting, either by the small-molecule inhibitor IPI-549 or by a first-in-class proteolysis-targeting chimera (PROTAC) named ARM165, has been shown to reduce AML cell progression both in vitro and in vivo.

Interactions PIK3CG has been shown to interact with:

BCR gene, KRAS, PIK3CD, and PIK3R5.

See also Class I PI 3-kinases p87PIKAP

References

Further reading

Illustrations

PIK3CG illustration
PIK3CG illustration
PIK3CG illustration
PIK3CG illustration
PIK3CG illustration

Worked examples

Example 1 — a first encounter with PIK3CG

Start with the simplest possible case. Write down what PIK3CG 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 PIK3CG 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 PIK3CG 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 PIK3CG

In research
PIK3CG 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 PIK3CG 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
PIK3CG is common in secondary-school and first-year university syllabi. It links to neighbouring topics Cell signaling, EC 2.7.1, Genes on human chromosome 7, so understanding it makes those chapters shorter.
In everyday life
Look for PIK3CG 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 PIK3CG in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what PIK3CG 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 PIK3CG out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is PIK3CG in simple terms?

Phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit gamma isoform is an enzyme that in humans is encoded by the PIK3CG gene. Function This gene encodes a protein that belongs to the pi3/pi4-kinase family of proteins.

Why does PIK3CG 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 PIK3CG?

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 PIK3CG.

Tags

  • Cell signaling
  • EC 2.7.1
  • Genes on human chromosome 7
  • Human chromosome 7 gene stubs

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