Traits

Traits linked to GATB

glutamyl-tRNA amidotransferase subunit B

The Human Phenotype Ontology links 10 traits to GATB, by body system: features seen in people with one of the gene's rare conditions.

Laboratory abnormality

Trait	How often it is seen
Increased lactate in body	Always
Elevated blood creatine phosphokinase	Often (30–79%)
Nonimmune hydrops fetalis	Often (30–79%)
Low blood sugar	Sometimes (5–29%)

Abnormality of blood and blood-forming tissues

Trait	How often it is seen
Low number of red blood cells or hemoglobin	Always

Abnormality of prenatal development or birth

Trait	How often it is seen
Premature birth	Sometimes (5–29%)

Abnormality of the cardiovascular system

Trait	How often it is seen
Enlarged heart	Always

Abnormality of the ear

Trait	How often it is seen
Hearing impairment	Always

Abnormality of the endocrine system

Trait	How often it is seen
Low blood cortisol level	Often (30–79%)

Growth abnormality

Trait	How often it is seen
Prenatal growth deficiency	Sometimes (5–29%)

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 GATB and how often each is seen. Find out more at hpo.jax.org.

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