Erratum to: The p.T191M mutation of the CBS gene is highly prevalent among homocystinuric patients from Spain, Portugal and South America.

In this article, one of the novel mutations, c.208_209+ 8del10, was incorrectly given as c.69_70+8del10.

The p.T191M mutation of the CBS gene is highly prevalent among homocystinuric patients from Spain, Portugal and South America.

Classical homocystinuria is due to cystathionine beta-synthase (CBS) deficiency. More than 130 mutations, which differ in prevalence and severity, have been described at the CBS gene. Mutation p.