engineering

Sterol 3beta-glucosyltransferase

Sterol 3beta-glucosyltransferase 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 Sterol 3beta-glucosyltransferase rather than just read about it. In short: In enzymology, a sterol 3beta-glucosyltransferase (EC 2.4.1.173) is an enzyme that catalyzes the chemical reaction UDP-glucose + a sterol ⇌ {\displaystyle \rightleftharpoons } UDP + a sterol 3-beta-D-glucoside Thus, the two substrates of this enzyme are UDP-glucose and sterol, whereas its two products are UDP and sterol 3-beta-D-glucoside. This enzyme belongs to the family of glycosyltransferases, specifically the h…

Key takeaways

Sterol 3beta-glucosyltransferase belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Sterol 3beta-glucosyltransferase to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Sterol 3beta-glucosyltransferase from memory before moving on to harder problems.

Reference excerpt

In enzymology, a sterol 3beta-glucosyltransferase (EC 2.4.1.173) is an enzyme that catalyzes the chemical reaction

UDP-glucose + a sterol ⇌ {\displaystyle \rightleftharpoons } UDP + a sterol 3-beta-D-glucoside Thus, the two substrates of this enzyme are UDP-glucose and sterol, whereas its two products are UDP and sterol 3-beta-D-glucoside. This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is UDP-glucose:sterol 3-O-beta-D-glucosyltransferase. Other names in common use include UDPG:sterol glucosyltransferase, UDP-glucose-sterol beta-glucosyltransferase, sterol:UDPG glucosyltransferase, UDPG-SGTase, uridine diphosphoglucose-poriferasterol glucosyltransferase, uridine diphosphoglucose-sterol glucosyltransferase, sterol glucosyltransferase, sterol-beta-D-glucosyltransferase, and UDP-glucose-sterol glucosyltransferase.

References

Duperon R; Duperon P (1987). "Intracellular-localization of UDP-glucose-sterol glucosyl transferase and UDP-galactose-sterol galactosyl transferase activities in the leaves of tomato (Solanum lycopersicon L, Solanaceae)". Comptes Rendus de l'Académie des Sciences, Série III. 304: 235–238. Kalinowska M; Wojciechowski ZA (1986). "Enzymatic-synthesis of nuatigenin 3-beta-D-glucoside in oat (Avena sativa) leaves". Phytochemistry. 25 (11): 2525–2529. Bibcode:1986PChem..25.2525K. doi:10.1016/S0031-9422(00)84501-X. Kalinowska M; Wojciechowski ZA (1987). "Subcellular-localization of UDPG-nuatigenin glucosyltransferase in oat leaves". Phytochemistry. 26 (2): 353–357. Bibcode:1987PChem..26..353K. doi:10.1016/S0031-9422(00)81413-2. Murakami-Murofushi K, Ohta J (1989). "Expression of UDP-glucose: poriferasterol glucosyltransferase in the process of differentiation of a true slime mold, Physarum polycephalum". Biochim. Biophys. Acta. 992 (3): 412–5. doi:10.1016/0304-4165(89)90108-6. PMID 2528379. Wojciechowski ZA, Zimowski J, Tyski S (1977). "Enzymatic synthesis of steryl 3beta-D-monoglucosides in the slime mold Physarum polycephalum". Phytochemistry. 16 (7): 911–914. Bibcode:1977PChem..16..911W. doi:10.1016/S0031-9422(00)86691-1.

Worked examples

Example 1 — a first encounter with Sterol 3beta-glucosyltransferase

Start with the simplest possible case. Write down what Sterol 3beta-glucosyltransferase 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 Sterol 3beta-glucosyltransferase 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 Sterol 3beta-glucosyltransferase 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 Sterol 3beta-glucosyltransferase

In research: Sterol 3beta-glucosyltransferase 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 Sterol 3beta-glucosyltransferase 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: Sterol 3beta-glucosyltransferase is common in secondary-school and first-year university syllabi. It links to neighbouring topics EC 2.4.1, EC 2.4 stubs, Enzymes of unknown structure, so understanding it makes those chapters shorter.
In everyday life: Look for Sterol 3beta-glucosyltransferase 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 “Sterol 3beta-glucosyltransferase” →

Affiliate

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

How to study Sterol 3beta-glucosyltransferase in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Sterol 3beta-glucosyltransferase 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 Sterol 3beta-glucosyltransferase out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Sterol 3beta-glucosyltransferase in simple terms?

In enzymology, a sterol 3beta-glucosyltransferase (EC 2.4.1.173) is an enzyme that catalyzes the chemical reaction UDP-glucose + a sterol ⇌ {\displaystyle \rightleftharpoons } UDP + a sterol 3-beta-D-glucoside Thus, the two substrates of this enzyme are UDP-glucose and sterol, whereas its two produ…

Why does Sterol 3beta-glucosyltransferase 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 Sterol 3beta-glucosyltransferase?

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 Sterol 3beta-glucosyltransferase.