Why don't all protein sequences in DNA get synthesized?

The genome, and subsequently extracted proteome, is much larger than the collection of proteins for which there is any other experimental evidence for existing.

Why is that?

Is there a reason that apparently dud inactive proteins are listed in the DNA?

  • 1
    $\begingroup$ This, and another recent post to this list suggested your background was informatics, rather than biological, perhaps at the post-graduate level. Your questions are not stupid, but are rather basic to a molecular biology student, and based on false assumptions (in this case your concept of proteome). Please look at the Help on Asking Questions which explains the need to give context and explain the basis (e.g. text, link or Wikipedia) of your assertions. And the tone of your questions and terms like "dud proteins" do not encourage answers. $\endgroup$ – David Feb 10 at 14:40

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