ATP-binding cassette sub-family A member 13 also known as ABCA13 is a protein

Protein

Proteins are biochemical compounds consisting of one or more polypeptides typically folded into a globular or fibrous form, facilitating a biological function. A polypeptide is a single linear polymer chain of amino acids bonded together by peptide bonds between the carboxyl and amino groups of...

 that in humans is encoded by the ABCA13 gene on chromosome 7. It belongs to the wide ATP-binding cassette family

ATP-binding cassette family

The ATP-binding cassette family is a group of proteins which bind and hydrolyse ATP in order to transport substances across cellular membranes...

 of proteins. The protein contains 5058 residues, and is currently the largest known protein of the ABC family.

Clinical significance

One study suggests that rare variations and mutations of the gene may be linked to psychiatric disorders such as schizophrenia

Schizophrenia

Schizophrenia is a mental disorder characterized by a disintegration of thought processes and of emotional responsiveness. It most commonly manifests itself as auditory hallucinations, paranoid or bizarre delusions, or disorganized speech and thinking, and it is accompanied by significant social...

, bipolar disorder

Bipolar disorder

Bipolar disorder or bipolar affective disorder, historically known as manic–depressive disorder, is a psychiatric diagnosis that describes a category of mood disorders defined by the presence of one or more episodes of abnormally elevated energy levels, cognition, and mood with or without one or...

, and depression.