engineering

Terephthalate 1,2-cis-dihydrodiol dehydrogenase

Terephthalate 1,2-cis-dihydrodiol dehydrogenase 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 Terephthalate 1,2-cis-dihydrodiol dehydrogenase rather than just read about it. In short: In enzymology, a terephthalate 1,2-cis-dihydrodiol dehydrogenase (EC 1.3.1.61) is an enzyme that catalyzes the chemical reaction: cis-4,5-dihydroxycyclohexa-1(6),2-diene-1,4-dicarboxylate + NAD+ ⇌ {\displaystyle \rightleftharpoons } 3,4-dihydroxybenzoate + CO2 + NADH Thus, the two substrates of this enzyme are cis-4,5-dihydroxycyclohexa-1(6),2-diene-1,4-dicarboxylate and NAD+, whereas its 3 products are 3,4-dihydrox…

Key takeaways

Terephthalate 1,2-cis-dihydrodiol dehydrogenase belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Terephthalate 1,2-cis-dihydrodiol dehydrogenase to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Terephthalate 1,2-cis-dihydrodiol dehydrogenase from memory before moving on to harder problems.

Reference excerpt

In enzymology, a terephthalate 1,2-cis-dihydrodiol dehydrogenase (EC 1.3.1.61) is an enzyme that catalyzes the chemical reaction:

cis-4,5-dihydroxycyclohexa-1(6),2-diene-1,4-dicarboxylate + NAD+ ⇌ {\displaystyle \rightleftharpoons } 3,4-dihydroxybenzoate + CO2 + NADH Thus, the two substrates of this enzyme are cis-4,5-dihydroxycyclohexa-1(6),2-diene-1,4-dicarboxylate and NAD+, whereas its 3 products are 3,4-dihydroxybenzoate, CO2, and NADH. This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-CH group of donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is cis-4,5-dihydroxycyclohexa-1(6),2-diene-1,4-dicarboxylate:NAD+ oxidoreductase (decarboxylating). This enzyme participates in 2,4-dichlorobenzoate degradation.

References

Wang YZ, Zhou Y, Zylstra GJ (1995). "Molecular analysis of isophthalate and terephthalate degradation by Comamonas testosteroni YZW-D". Environ. Health Perspect. 103 (Suppl. 5): 9–12. doi:10.1289/ehp.95103s49. PMC 1519302. PMID 8565920.

Worked examples

Example 1 — a first encounter with Terephthalate 1,2-cis-dihydrodiol dehydrogenase

Start with the simplest possible case. Write down what Terephthalate 1,2-cis-dihydrodiol dehydrogenase 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 Terephthalate 1,2-cis-dihydrodiol dehydrogenase 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 Terephthalate 1,2-cis-dihydrodiol dehydrogenase 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 Terephthalate 1,2-cis-dihydrodiol dehydrogenase

In research: Terephthalate 1,2-cis-dihydrodiol dehydrogenase 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 Terephthalate 1,2-cis-dihydrodiol dehydrogenase 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: Terephthalate 1,2-cis-dihydrodiol dehydrogenase is common in secondary-school and first-year university syllabi. It links to neighbouring topics EC 1.3.1, EC 1.3 stubs, Enzymes of unknown structure, so understanding it makes those chapters shorter.
In everyday life: Look for Terephthalate 1,2-cis-dihydrodiol dehydrogenase 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 Terephthalate 1,2-cis-dihydrodiol dehydrogenase in 20 minutes

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

Frequently asked questions

What is Terephthalate 1,2-cis-dihydrodiol dehydrogenase in simple terms?

In enzymology, a terephthalate 1,2-cis-dihydrodiol dehydrogenase (EC 1.3.1.61) is an enzyme that catalyzes the chemical reaction: cis-4,5-dihydroxycyclohexa-1(6),2-diene-1,4-dicarboxylate + NAD+ ⇌ {\displaystyle \rightleftharpoons } 3,4-dihydroxybenzoate + CO2 + NADH Thus, the two substrates of thi…

Why does Terephthalate 1,2-cis-dihydrodiol dehydrogenase 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 Terephthalate 1,2-cis-dihydrodiol dehydrogenase?

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 Terephthalate 1,2-cis-dihydrodiol dehydrogenase.