engineering

Nucleoside-triphosphate—adenylate kinase

Nucleoside-triphosphate—adenylate kinase is a engineering 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 Nucleoside-triphosphate—adenylate kinase rather than just read about it. In short: In enzymology, a nucleoside-triphosphate-adenylate kinase (EC 2.7.4.10) is an enzyme that catalyzes the chemical reaction nucleoside triphosphate + AMP ⇌ {\displaystyle \rightleftharpoons } nucleoside diphosphate + ADP Thus, the two substrates of this enzyme are nucleoside triphosphate and AMP, whereas its two products are nucleoside diphosphate and ADP. This enzyme belongs to the family of transferases, specificall…

Key takeaways

Nucleoside-triphosphate—adenylate kinase belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
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Reproduce the core statement of Nucleoside-triphosphate—adenylate kinase from memory before moving on to harder problems.

Reference excerpt

In enzymology, a nucleoside-triphosphate-adenylate kinase (EC 2.7.4.10) is an enzyme that catalyzes the chemical reaction

nucleoside triphosphate + AMP ⇌ {\displaystyle \rightleftharpoons } nucleoside diphosphate + ADP Thus, the two substrates of this enzyme are nucleoside triphosphate and AMP, whereas its two products are nucleoside diphosphate and ADP. This enzyme belongs to the family of transferases, specifically those transferring phosphorus-containing groups (phosphotransferases) with a phosphate group as acceptor. The systematic name of this enzyme class is nucleoside-triphosphate:AMP phosphotransferase. Other names in common use include guanosine triphosphate-adenylate kinase, nucleoside triphosphate-adenosine monophosphate transphosphorylase, GTP:AMP phosphotransferase, and isozyme 3 of adenylate kinase. This enzyme participates in pyrimidine metabolism.

Structural studies As of late 2007, two structures have been solved for this class of enzymes, with PDB accession codes PDB: 1ZD8 and PDB: 2AK3.

References

Albrecht GJ (1970). "Purification and properties of nucleoside triphosphate-adenosine monophosphate transphosphorylase from beef heart mitochondria". Biochemistry. 9 (12): 2462–70. doi:10.1021/bi00814a011. PMID 5423264. CHIGA M, ROGERS AE, PLAUT GW (1961). "Nucleotide transphosphorylases from liver. II. Purification and properties of a 6-oxypurine nucleoside triphosphate-adenosine monophosphate transphosphorylase from swine liver". J. Biol. Chem. 236 (6): 1800–5. doi:10.1016/S0021-9258(19)63306-5. PMID 13693071.

Worked examples

Example 1 — a first encounter with Nucleoside-triphosphate—adenylate kinase

Start with the simplest possible case. Write down what Nucleoside-triphosphate—adenylate kinase claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, 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 Nucleoside-triphosphate—adenylate kinase 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 Nucleoside-triphosphate—adenylate kinase 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 Nucleoside-triphosphate—adenylate kinase

In research: Nucleoside-triphosphate—adenylate kinase appears in engineering 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 Nucleoside-triphosphate—adenylate kinase 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: Nucleoside-triphosphate—adenylate kinase is common in secondary-school and first-year university syllabi. It links to neighbouring topics EC 2.7.4, EC 2.7 stubs, Enzymes of known structure, so understanding it makes those chapters shorter.
In everyday life: Look for Nucleoside-triphosphate—adenylate kinase 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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Frequently asked questions

What is Nucleoside-triphosphate—adenylate kinase in simple terms?

In enzymology, a nucleoside-triphosphate-adenylate kinase (EC 2.7.4.10) is an enzyme that catalyzes the chemical reaction nucleoside triphosphate + AMP ⇌ {\displaystyle \rightleftharpoons } nucleoside diphosphate + ADP Thus, the two substrates of this enzyme are nucleoside triphosphate and AMP, whe…

Why does Nucleoside-triphosphate—adenylate kinase matter?

Because it connects several engineering 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 Nucleoside-triphosphate—adenylate kinase?

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 Nucleoside-triphosphate—adenylate kinase.