engineering

Glycerol dehydratase

Glycerol dehydratase 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 Glycerol dehydratase rather than just read about it. In short: In enzymology, a glycerol dehydratase (EC 4.2.1.30) catalyzes the chemical reaction: glycerol ⇌ 3-hydroxypropanal + H2O This enzyme belongs to the family of lyases, specifically the hydro-lyases, which cleave carbon-oxygen bonds. The systematic name of this enzyme class is glycerol hydro-lyase (3-hydroxypropanol-forming).

Key takeaways

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

Reference excerpt

In enzymology, a glycerol dehydratase (EC 4.2.1.30) catalyzes the chemical reaction:

glycerol ⇌ 3-hydroxypropanal + H2O This enzyme belongs to the family of lyases, specifically the hydro-lyases, which cleave carbon-oxygen bonds. The systematic name of this enzyme class is glycerol hydro-lyase (3-hydroxypropanol-forming). Other names in common use include glycerol dehydrase, and glycerol hydro-lyase. This enzyme participates in glycerolipid metabolism. It employs one cofactor, cobalamin.

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

References

Forage RG, Foster MA (1982). "Glycerol fermentation in Klebsiella pneumoniae: functions of the coenzyme B12-dependent glycerol and diol dehydratases". J. Bacteriol. 149 (2): 413–9. doi:10.1128/JB.149.2.413-419.1982. PMC 216523. PMID 7035429. Schneider Z, Larsen EG, Jacobson G, Johnson BC, Pawelkiewicz J (1970). "Purification and properties of glycerol dehydrase". J. Biol. Chem. 245 (13): 3388–96. doi:10.1016/S0021-9258(18)63008-X. PMID 4989992. Schneider Z, Pawelkiewicz J (1966). "The properties of glycerol dehydratase isolated from Aerobacter aerogenes, and the properties of the apoenzyme subunits". Acta Biochim. Pol. 13 (4): 311–28. PMID 5962440. SMILEY KL, SOBOLOV M (1962). "A cobamide-requiring glycerol dehydrase from an acrolein-forming Lactobacillus". Arch. Biochem. Biophys. 97 (3): 538–43. doi:10.1016/0003-9861(62)90118-2. PMID 14039344.

Illustrations

Worked examples

Example 1 — a first encounter with Glycerol dehydratase

Start with the simplest possible case. Write down what Glycerol dehydratase 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 Glycerol dehydratase 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 Glycerol dehydratase 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 Glycerol dehydratase

In research: Glycerol dehydratase 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 Glycerol dehydratase 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: Glycerol dehydratase is common in secondary-school and first-year university syllabi. It links to neighbouring topics Cobamide enzymes, EC 4.2.1, EC 4.2 stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Glycerol dehydratase 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 Glycerol dehydratase in 20 minutes

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

Frequently asked questions

What is Glycerol dehydratase in simple terms?

In enzymology, a glycerol dehydratase (EC 4.2.1.30) catalyzes the chemical reaction: glycerol ⇌ 3-hydroxypropanal + H2O This enzyme belongs to the family of lyases, specifically the hydro-lyases, which cleave carbon-oxygen bonds. The systematic name of this enzyme class is glycerol hydro-lyase (3-h…

Why does Glycerol dehydratase 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 Glycerol dehydratase?

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 Glycerol dehydratase.