Traits

Traits linked to NSUN6

NOP2/Sun RNA methyltransferase 6

The Human Phenotype Ontology links 13 traits to NSUN6, by body system: features seen in people with one of the gene's rare conditions.

Abnormality of the nervous system

Trait	How often it is seen
Cerebellar vermis hypoplasia	Always
Delayed speech and language development	Always
Global developmental delay	Always
Intellectual disability	Always
Aggressive behavior	Often (30–79%)
Attention deficit	Often (30–79%)
Autism	Often (30–79%)
Difficulty sleeping	Often (30–79%)
Epilepsy	Often (30–79%)
Motor delay	Often (30–79%)

Abnormality of head or neck

Trait	How often it is seen
Abnormally small head	Often (30–79%)

Abnormality of the ear

Trait	How often it is seen
Low-set ears	Often (30–79%)

Growth abnormality

Trait	How often it is seen
Growth delay	Often (30–79%)

How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.

Where this comes from

The Human Phenotype Ontology, release 2026-09-01: the traits linked to NSUN6 and how often each is seen. Find out more at hpo.jax.org.

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