On this page, you will find information about a genetic change that was identified in a UDN participant. 

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A change in this gene was identified in a male, age 5 with absolute iron deficiency anemia (read full description).

Date of Report

Jul 18, 2017

Full Name

Spectrin alpha, erythrocytic 1

Chromosome 1 (1q23.1)


The SPTA1 gene codes for spectrin, which is a part of the red blood cell membrane and important in determining its shape (Knowles et al., 1984).

Database Links

GeneCards: GC01M158580

Genetics Home Reference: SPTA1

NCBI Gene: 6708

OMIM: 182860

UniProtKB/Swiss-Prot: P02549

Clinical Significance

A change in this gene was identified in a UDN participant

Gene SPTA1
Inheritance Pattern Autosomal dominant/Autosomal recessive
Position Chr1: 158592867
Transcript NM_003126
DNA Change c.6026G>A
Protein Change p.R2009H

Of note: Spectrin staining and blood smears were normal. Additionally, the protein coded for by this gene was not found to be defective.

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