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Is CD3ε a CD3?

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Is CD3ε a CD3?

· Reviewed · Published Jul 24, 2026 · Updated Jul 24, 2026 · 8 min read

Is CD3ε a CD3?

Yes, CD3 consists of 5 different chains, namely gamma, delta, epsilon, zeta, and eta chains. Almost all anti-CD3 monoclonal antibodies target the epsilon chain, which is generally only expressed in T cells.

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Explore topics: Flow-through Antibodies CD3ε CD3

Da — when not otherwise indicated, molecular weight units are daltons. Mw — weight-average molecular weight. Mn — number-average molecular weight.

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Aladdin Scientific. "Is CD3ε a CD3?" Aladdin Knowledge Base, updated Jul 24, 2026. https://www.aladdinsci.com/us_en/faqs/is-cd3ε-a-cd3-en.html

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