biology

Terminal uridylyltransferase 7

Terminal uridylyltransferase 7 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 Terminal uridylyltransferase 7 rather than just read about it. In short: Terminal uridylyltransferase 7 (TUT7), also known as zinc finger, CCHC domain containing 6 (ZCCHC6), is an enzyme that in humans is encoded by the TUT7 gene located on chromosome 9. The ZCCHC6 protein mediates the terminal uridylation of RNA transcripts with short poly-A tails and is involved in mRNA and microRNA degradation Structure The ZCCHC6 gene contains 33 exons with at least six known isoforms due to alternat…

Key takeaways

Terminal uridylyltransferase 7 belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Terminal uridylyltransferase 7 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Terminal uridylyltransferase 7 from memory before moving on to harder problems.

Reference excerpt

Terminal uridylyltransferase 7 (TUT7), also known as zinc finger, CCHC domain containing 6 (ZCCHC6), is an enzyme that in humans is encoded by the TUT7 gene located on chromosome 9. The ZCCHC6 protein mediates the terminal uridylation of RNA transcripts with short poly-A tails and is involved in mRNA and microRNA degradation

Structure The ZCCHC6 gene contains 33 exons with at least six known isoforms due to alternative splicing. The ZCCHC6 gene encodes for a protein that is 171 kDa in molecular weight and is localized to the cytoplasm.

Function It catalyzes the following reaction, requiring Mg2+ and Mn2+ as co-factors. UTP + RNA(n) = diphosphate + RNA(n+1) Uridylation catalyzed by ZCCHC6 takes place readily on deadenylated mRNAs inside the cells. Purified ZCCHC6 selectively recognizes and uridylates RNA molecules possessing short poly(A) tails (less than 25 nucleotides) in vitro. In cells depleted of ZCCHC6, the majority of mRNAs lose the signature oligo(U) tails that are characteristic of ZCCHC6 reactivity, and the half-life of mRNA molecules are accordingly prolonged. In addition to mRNA degradation, uridylation is also thought to function in pre-microRNA maturation, with some group II pre-microRNA requiring 3' mono-uridylation for Dicer processing. ZCCHC6 is thought to work in redundancy with ZCCHC11 to mediate the biogenesis of the let-7 microRNA through uridylation. Genetic Inactivation of ZCCHC6 Suppresses Interleukin-6 Expression and Reduces the Severity of Experimental Osteoarthritis in Mice.

References

Illustrations

Worked examples

Example 1 — a first encounter with Terminal uridylyltransferase 7

Start with the simplest possible case. Write down what Terminal uridylyltransferase 7 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 Terminal uridylyltransferase 7 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 Terminal uridylyltransferase 7 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 Terminal uridylyltransferase 7

In research: Terminal uridylyltransferase 7 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 Terminal uridylyltransferase 7 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: Terminal uridylyltransferase 7 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Genes on human chromosome 9, Human chromosome 9 gene stubs, Human proteins, so understanding it makes those chapters shorter.
In everyday life: Look for Terminal uridylyltransferase 7 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 “Terminal uridylyltransferase 7” →

Affiliate

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

How to study Terminal uridylyltransferase 7 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Terminal uridylyltransferase 7 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 Terminal uridylyltransferase 7 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Terminal uridylyltransferase 7 in simple terms?

Why does Terminal uridylyltransferase 7 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 Terminal uridylyltransferase 7?

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 Terminal uridylyltransferase 7.