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SIRPB1

SIRPB1 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 SIRPB1 rather than just read about it. In short: Signal-regulatory protein beta-1 is a protein that in humans is encoded by the SIRPB1 gene. SIRPB1 has also recently been designated CD172B (cluster of differentiation 172B).

SIRPB1 — main illustration
SIRPB1 — illustration

Key takeaways

  • SIRPB1 belongs to biology; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect SIRPB1 to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of SIRPB1 from memory before moving on to harder problems.

Reference excerpt

Signal-regulatory protein beta-1 is a protein that in humans is encoded by the SIRPB1 gene. SIRPB1 has also recently been designated CD172B (cluster of differentiation 172B). The protein encoded by this gene is a member of the signal-regulatory-protein (SIRP) family, and also belongs to the immunoglobulin superfamily. SIRP family members are receptor-type transmembrane glycoproteins known to be involved in the negative regulation of receptor tyrosine kinase-coupled signaling processes. This protein was found to interact with TYROBP/DAP12, a protein bearing immunoreceptor tyrosine-based activation motifs. This protein was also reported to participate in the recruitment of tyrosine kinase SYK. Alternatively spliced transcript variants have been found for this gene.

Interactions SIRPB1 has been shown to interact with TYROBP.

References

Further reading

External links SIRPB1 human gene location in the UCSC Genome Browser. SIRPB1 human gene details in the UCSC Genome Browser.

This article incorporates text from the United States National Library of Medicine, which is in the public domain.

Illustrations

SIRPB1 illustration
SIRPB1 illustration
SIRPB1 illustration
SIRPB1 illustration
SIRPB1 illustration

Worked examples

Example 1 — a first encounter with SIRPB1

Start with the simplest possible case. Write down what SIRPB1 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 SIRPB1 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 SIRPB1 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 SIRPB1

In research
SIRPB1 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 SIRPB1 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
SIRPB1 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Clusters of differentiation, Genes on human chromosome 20, so understanding it makes those chapters shorter.
In everyday life
Look for SIRPB1 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 SIRPB1 in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what SIRPB1 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 SIRPB1 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is SIRPB1 in simple terms?

Signal-regulatory protein beta-1 is a protein that in humans is encoded by the SIRPB1 gene. SIRPB1 has also recently been designated CD172B (cluster of differentiation 172B).

Why does SIRPB1 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 SIRPB1?

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 SIRPB1.

Tags

  • Clusters of differentiation
  • Genes on human chromosome 20

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