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RPL10
ribosomal protein L10
RPL10 is located on the long (q) arm of chromosome X, at band Xq28. Arm ratio per GRCh38 - banding schematic.
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Overview
RPL10 is located on the X chromosome at position Xq28 and belongs to the ribosomal protein gene family. The gene produces ribosomal protein L10, which forms part of the 60S subunit of eukaryotic ribosomes. Ribosomes are molecular machines present in all cells, responsible for translating genetic information from messenger RNA into the amino acid sequences of proteins.
Because protein synthesis is fundamental to virtually every cellular process, ribosomal proteins such as L10 are considered essential housekeeping components. The RPL10 gene is expressed in all tissue types, reflecting the universal requirement for ribosomes in maintaining cellular function and supporting growth and development.
What the gene does
Ribosomal protein L10 is a core structural component of the large 60S ribosomal subunit, which joins with the small 40S subunit to form the complete ribosome during translation. The protein contributes to the architecture of the ribosomal peptidyl transferase centre, where peptide bonds are formed between amino acids during protein elongation.
Beyond its structural role, L10 participates in maintaining the stability of ribosomal RNA within the large subunit. The protein interacts with multiple ribosomal RNA helices and helps coordinate the precise geometry required for efficient translation. By ensuring correct subunit assembly and function, RPL10 supports the fidelity and speed of protein synthesis across diverse cellular contexts, from routine maintenance to rapid growth and stress responses.
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Chromosome location
The RPL10 gene resides on the long arm of the X chromosome at band Xq28, a region near the chromosome's tip that contains numerous genes. Because RPL10 is X-linked, males carry one copy of the gene while females carry two. The chromosomal location has implications for inheritance patterns when pathogenic variants arise, particularly in male individuals who lack a second X chromosome to compensate for loss of function.
Protein structure
Domain architecture has not been experimentally characterised in detail for this protein.
Key variants
Genetic variants in RPL10 range from benign polymorphisms to pathogenic changes that can interfere with ribosome assembly or function. Pathogenic variants may alter the protein's ability to integrate into the ribosomal complex or disrupt interactions with ribosomal RNA. The spectrum of reported variants includes missense substitutions and small in-frame deletions affecting conserved amino acid residues critical for structural integrity.
No pathogenic or likely-pathogenic ClinVar variants recorded yet for this gene.
Associated conditions
Alterations in RPL10 have been associated with disorders affecting development and cellular growth, reflecting the gene's fundamental role in protein synthesis. Because ribosomes are required in all cells, disruptions to ribosomal protein genes can have wide-ranging effects on tissues with high rates of cell division and protein turnover. The clinical consequences of RPL10 variants may vary depending on the specific change and its impact on ribosome function.
No disease links recorded for this gene in our reference set.
UK clinical status
Sources: NHS GMS PanelApp · Genomics England PanelApp · NHS National Genomic Test Directory
Frequently asked questions
What does the RPL10 gene do?
RPL10 encodes ribosomal protein L10, a structural component of the large 60S ribosomal subunit. This protein is essential for assembling functional ribosomes, which translate genetic information into proteins in all human cells.
Why is RPL10 located on the X chromosome?
RPL10 resides at Xq28 on the X chromosome, meaning males have one copy and females have two. This X-linked location influences how variants are inherited and expressed, particularly in males who lack a second copy to compensate for loss of function.
Are variants in RPL10 common?
Most individuals carry the typical RPL10 sequence, and pathogenic variants are rare. When present, pathogenic changes can disrupt ribosome function, but the overall frequency of disease-causing RPL10 variants in the general population is low.