biology

SMARCD3

SMARCD3 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 SMARCD3 rather than just read about it. In short: SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily D member 3 is a protein that in humans is encoded by the SMARCD3 gene. Function The protein encoded by this gene is a member of the SWI/SNF family of proteins, whose members display helicase and ATPase activities and which are thought to regulate transcription of certain genes by altering the chromatin structure around those genes.

Key takeaways

SMARCD3 belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect SMARCD3 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of SMARCD3 from memory before moving on to harder problems.

Reference excerpt

SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily D member 3 is a protein that in humans is encoded by the SMARCD3 gene.

Function The protein encoded by this gene is a member of the SWI/SNF family of proteins, whose members display helicase and ATPase activities and which are thought to regulate transcription of certain genes by altering the chromatin structure around those genes. The encoded protein is part of the large ATP-dependent chromatin remodeling complex SNF/SWI and has sequence similarity to the yeast Swp73 protein. Multiple alternatively spliced transcript variants have been found for this gene. Mutually exclusive incorporation of the variants into the larger SWI/SNF complex are thought to direct the complex to remodel particular sites in chromatin, leading to alterations in gene activity that dictate cell behavior or differentiation during development and disease. SMARCD3 together with TBX15 triggers development glycolytic fast-twitch muscles by the activation of the Akt/PKB signaling pathway.

References

Illustrations

Worked examples

Example 1 — a first encounter with SMARCD3

Start with the simplest possible case. Write down what SMARCD3 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 SMARCD3 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 SMARCD3 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 SMARCD3

In research: SMARCD3 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 SMARCD3 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: SMARCD3 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Genes on human chromosome 7, Human chromosome 7 gene stubs, so understanding it makes those chapters shorter.
In everyday life: Look for SMARCD3 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 SMARCD3 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what SMARCD3 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 SMARCD3 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is SMARCD3 in simple terms?

SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily D member 3 is a protein that in humans is encoded by the SMARCD3 gene. Function The protein encoded by this gene is a member of the SWI/SNF family of proteins, whose members display helicase and ATPase activities and…

Why does SMARCD3 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 SMARCD3?

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 SMARCD3.