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LRRC37A

LRRC37A 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 LRRC37A rather than just read about it. In short: Leucine rich repeat containing 37A is a protein in humans that is encoded by the LRRC37A gene. The LRRC37 gene family has been expanded in the genome of the simians through segmental duplications leading to new genes in simian, hominid and human species.

LRRC37A — main illustration
LRRC37A — illustration

Key takeaways

  • LRRC37A belongs to biology; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect LRRC37A to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of LRRC37A from memory before moving on to harder problems.

Reference excerpt

Leucine rich repeat containing 37A is a protein in humans that is encoded by the LRRC37A gene. The LRRC37 gene family has been expanded in the genome of the simians through segmental duplications leading to new genes in simian, hominid and human species. Most of these new genes belong to the ancestral LRRC37A-type. The human genomes contains at least 4 encoding gene paralogs with 3 of the ancestral type: LRRC37A, LRRC37A2, LRRC37A3 and a new type of receptor shared between hominid species: LRRC37B. In the human cerebral cortex, LRRC37B is selectively expressed in pyramidal neurons at the level of the axon initial segment, which is not found in other nonhuman primate species (chimpanzees, macaques). It decreases there the excitability of the neurons, a feature specific to the human species compared to other mammalian species. It acts by binding to secreted FGF13A and SCN1B which leads to an inhibition of the voltage-gate sodium channels which generate the action potentials.

References

Further reading

Illustrations

LRRC37A illustration
LRRC37A illustration

Worked examples

Example 1 — a first encounter with LRRC37A

Start with the simplest possible case. Write down what LRRC37A 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 LRRC37A 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 LRRC37A 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 LRRC37A

In research
LRRC37A 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 LRRC37A 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
LRRC37A is common in secondary-school and first-year university syllabi. It links to neighbouring topics Genes on human chromosome 17, Human chromosome 17 gene stubs, so understanding it makes those chapters shorter.
In everyday life
Look for LRRC37A 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 LRRC37A in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what LRRC37A means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain LRRC37A out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is LRRC37A in simple terms?

Leucine rich repeat containing 37A is a protein in humans that is encoded by the LRRC37A gene. The LRRC37 gene family has been expanded in the genome of the simians through segmental duplications leading to new genes in simian, hominid and human species.

Why does LRRC37A 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 LRRC37A?

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 LRRC37A.

Tags

  • Genes on human chromosome 17
  • Human chromosome 17 gene stubs

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