ribonucleoprotein

biochemistry

Also known as: RNP

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July 23, 2026

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A ribonucleoprotein (RNP) is a complex formed by RNA and protein. RNA itself is a single-stranded nucleic acid made of nucleotides, playing a crucial role in converting genetic information from DNA into proteins.123

There are several types of RNA, including messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). rRNA molecules are key structural components of ribosomes, the cellular machinery responsible for protein synthesis. RNPs can also include small nuclear RNAs (snRNAs), which are involved in RNA splicing, and components of enzymes like telomerase. The RNA portion of some RNPs can even act as a biological catalyst.324

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RNA
RNA structure
…complexes with molecules known as ribonucleoproteins (RNPs). The RNA portion of at least one cellular RNP has been shown to act as a biological catalyst, a function previously ascribed only to proteins.
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…complexes with molecules known as ribonucleoproteins (RNPs). The RNA portion of at least one cellular RNP has been shown to act as a biological catalyst, a function previously ascribed only to proteins.
Read More