biology

T-cell surface glycoprotein CD3 epsilon chain

T-cell surface glycoprotein CD3 epsilon chain 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 T-cell surface glycoprotein CD3 epsilon chain rather than just read about it. In short: CD3e molecule, epsilon also known as CD3E is a polypeptide which in humans is encoded by the CD3E gene which resides on chromosome 11. Function The protein encoded by this gene is the CD3-epsilon polypeptide, which together with CD3-gamma, -delta and -zeta, and the T-cell receptor alpha/beta and gamma/delta heterodimers, forms the T cell receptor-CD3 complex.

Key takeaways

T-cell surface glycoprotein CD3 epsilon chain belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect T-cell surface glycoprotein CD3 epsilon chain to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of T-cell surface glycoprotein CD3 epsilon chain from memory before moving on to harder problems.

Reference excerpt

CD3e molecule, epsilon also known as CD3E is a polypeptide which in humans is encoded by the CD3E gene which resides on chromosome 11.

Function The protein encoded by this gene is the CD3-epsilon polypeptide, which together with CD3-gamma, -delta and -zeta, and the T-cell receptor alpha/beta and gamma/delta heterodimers, forms the T cell receptor-CD3 complex. This complex plays an important role in coupling antigen recognition to several intracellular signal-transduction pathways. The genes encoding the epsilon, gamma and delta polypeptides are located in the same cluster on chromosome 11. The epsilon polypeptide plays an essential role in T-cell development.

Clinical significance Defects in this gene cause severe immunodeficiency. This gene has also been linked to a susceptibility to type I diabetes in women.

Interactions T-cell surface glycoprotein CD3 epsilon chain has been shown to interact with TOP2B, CD3EAP and NCK2.

See also CD3 (immunology) Cluster of differentiation

References

Illustrations

Worked examples

Example 1 — a first encounter with T-cell surface glycoprotein CD3 epsilon chain

Start with the simplest possible case. Write down what T-cell surface glycoprotein CD3 epsilon chain 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 T-cell surface glycoprotein CD3 epsilon chain 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 T-cell surface glycoprotein CD3 epsilon chain 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 T-cell surface glycoprotein CD3 epsilon chain

In research: T-cell surface glycoprotein CD3 epsilon chain 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 T-cell surface glycoprotein CD3 epsilon chain 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: T-cell surface glycoprotein CD3 epsilon chain is common in secondary-school and first-year university syllabi. It links to neighbouring topics Clusters of differentiation, Genes on human chromosome 11, so understanding it makes those chapters shorter.
In everyday life: Look for T-cell surface glycoprotein CD3 epsilon chain 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 “T-cell surface glycoprotein CD3 epsilon chain” →

Affiliate

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

How to study T-cell surface glycoprotein CD3 epsilon chain in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what T-cell surface glycoprotein CD3 epsilon chain 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 T-cell surface glycoprotein CD3 epsilon chain out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is T-cell surface glycoprotein CD3 epsilon chain in simple terms?

CD3e molecule, epsilon also known as CD3E is a polypeptide which in humans is encoded by the CD3E gene which resides on chromosome 11. Function The protein encoded by this gene is the CD3-epsilon polypeptide, which together with CD3-gamma, -delta and -zeta, and the T-cell receptor alpha/beta and ga…

Why does T-cell surface glycoprotein CD3 epsilon chain 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 T-cell surface glycoprotein CD3 epsilon chain?

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 T-cell surface glycoprotein CD3 epsilon chain.