Understanding rs886043598: A Genetic Variant in the EP300 Gene
The genetic variant rs886043598 is a rare change in the human genome located within the EP300 gene. It has been identified in clinical research databases in association with Rubinstein-Taybi syndrome 2.
What each genotype means
Typical genetic profile
This genotype represents the reference sequence at this position in the EP300 gene. It is considered the common or typical form found in the general population.
This is the most common genotype observed in the general population.
Potential clinical significance
This genotype includes one copy of the variant associated with Rubinstein-Taybi syndrome 2. Because this condition is typically inherited in an autosomal dominant manner, you should discuss these findings with a genetic counselor or medical professional to understand the clinical implications for your health.
This genotype is rare in the general population.
Pathogenic variant carrier
This genotype consists of two copies of the variant linked to Rubinstein-Taybi syndrome 2 in clinical databases. Please consult with a healthcare provider or clinical geneticist to discuss the significance of this result and any appropriate follow-up steps.
This genotype is extremely rare in the general population.
Potential clinical significance
This genotype includes one copy of the variant associated with Rubinstein-Taybi syndrome 2. You should consult with a medical professional or genetic counselor to interpret how this specific genetic finding relates to your personal health history.
This genotype is rare in the general population.
Pathogenic variant carrier
This genotype consists of two copies of the variant linked to Rubinstein-Taybi syndrome 2 in clinical databases. It is important to discuss this result with a qualified healthcare provider to understand its clinical relevance and potential impact on your health.
This genotype is extremely rare in the general population.
What is rs886043598?
The identifier rs886043598 refers to a specific single nucleotide polymorphism (SNP) cataloged in the dbSNP database. In genetics, a SNP represents a variation at a single position in the DNA sequence among individuals. This particular variant is located on chromosome 22. While many SNPs are common variations that contribute to the diversity of human traits, others are rare and may have more significant impacts on biological function. The rsID system, managed by the National Center for Biotechnology Information (NCBI), provides a stable way for researchers to track these specific locations across different studies. Because rs886043598 is a rare variant, it is not typically found in the general population at high frequencies, making it a subject of interest primarily in clinical genetics and specialized research contexts rather than broad population-wide association studies.
The Role of the EP300 Gene
The variant rs886043598 is situated within the EP300 gene. This gene provides instructions for making a protein called p300, which functions as a histone acetyltransferase. This protein plays a critical role in regulating gene expression by modifying chromatin, the complex of DNA and proteins that packages genetic material within the cell nucleus. By altering the structure of chromatin, the p300 protein helps determine which genes are turned on or off in various tissues throughout the body. Because it acts as a master regulator of many developmental processes, the proper function of the EP300 gene is essential for normal growth and development. Disruptions or mutations in this gene can interfere with these complex regulatory pathways, which is why variants in this region are often scrutinized in the context of developmental disorders.
Clinical Associations and Evidence
Research databases, including ClinVar, have documented rs886043598 in association with Rubinstein-Taybi syndrome 2. This is a rare genetic condition characterized by distinctive facial features, intellectual disability, and skeletal abnormalities. The evidence linking this specific variant to the condition is categorized as pathogenic in clinical reporting. It is important to note that the presence of a variant does not automatically imply a diagnosis. Clinical genetics is a complex field where the interpretation of a variant depends on the specific context of the individual's health, family history, and other genetic factors. The classification of this variant as pathogenic is based on clinical observations and molecular evidence documented in medical literature. As with all genetic findings, this information is intended for educational purposes and should not be used for self-diagnosis or medical decision-making.
Population Frequency and Distribution
The variant rs886043598 is considered rare across human populations. In large-scale genomic databases like gnomAD, which aggregate data from thousands of individuals to estimate the frequency of genetic variants, this SNP does not appear with high frequency. Rare variants are often specific to certain families or populations and are not widely distributed in the general public. Because of its rarity, there is limited data regarding its distribution across different ancestral groups. Most of the information available for this variant comes from clinical case studies rather than population-wide surveys. This lack of broad data is common for rare, pathogenic variants, as they are typically identified through clinical testing of individuals presenting with specific symptoms rather than through random sampling of the general population.
What This Information Means for You
If you have encountered this variant in a personal genetic report, it is essential to understand that such data is not a medical diagnosis. Genetic variants are only one piece of a much larger biological puzzle. The interpretation of a variant like rs886043598 requires professional clinical expertise to evaluate in the context of an individual's overall health and clinical presentation. You cannot and should not use this information to make health decisions or to diagnose a condition. If you are concerned about a genetic finding, the most appropriate step is to consult with a qualified healthcare provider, such as a genetic counselor or a medical geneticist. These professionals are trained to interpret complex genetic data, explain the implications of specific variants, and guide you through the process of clinical evaluation if necessary.
How common is this variant?
The variant rs886043598 is rare in the general population, with most documented instances appearing in clinical settings rather than broad population studies.
Frequently asked questions
Is rs886043598 a diagnosis for Rubinstein-Taybi syndrome?
No, the presence of a genetic variant is not a diagnosis. A clinical diagnosis of Rubinstein-Taybi syndrome is made by a healthcare professional based on a combination of physical symptoms, medical history, and specialized genetic testing.
Where can I find more information about EP300?
You can find detailed, reliable information about the EP300 gene and its function on the MedlinePlus Genetics website, which is maintained by the National Library of Medicine.
What should I do if my genetic report mentions this variant?
If you are concerned about a result in your genetic report, you should schedule an appointment with a genetic counselor or a medical geneticist. They can help you understand what the result means for your specific situation.
Why is this variant called 'rare'?
A variant is considered rare if it is found in a very small percentage of the population. Unlike common variants that contribute to traits like height or eye color, rare variants are often associated with specific, less common medical conditions.
Sources & further reading
Educational information only, last refreshed 10/7/2026. Not medical advice — these associations describe population statistics, not individual predictions.
Curious what your genotype is for rs886043598?
Upload a raw DNA file from 23andMe, AncestryDNA, MyHeritage, or FamilyTreeDNA and see this variant — plus thousands more — interpreted in your full report.
Get my report — $29Related variants
This variant in the HLA-DQB1 region is associated with peanut allergy susceptibility, reflecting the broader role of HLA class II variation in food allergy risk.
This variant is a robustly replicated genetic marker associated with short sleep duration across diverse ancestral populations.
This variant in the TYK2 gene is identified as a shared causal signal in the genetic architecture of psoriasis and rheumatoid arthritis.
This TYK2 variant shows evidence of antagonistic pleiotropy, with opposite effects on the risk of psoriasis versus rheumatoid arthritis.
This SNP acts as an intermediate allele tag for the C9orf72 repeat expansion, which is linked to both ALS risk and longevity outcomes.
This variant in the CDKN2B-AS1 long noncoding RNA gene is associated with extreme longevity in genome-wide association studies.