Table 4.

Notable GALNS Pathogenic Variants

Reference SequencesDNA Nucleotide
Change
Predicted
Protein Change
Comment [Reference]
NM_000512​.5
NP_000503​.1
c.337A>Tp.Ile113PheBritish-Irish variant [Neufeld & Muenzer 2001]
NM_000512​.5 c.898+1G>C--Homozygotes have slowly progressive course [Tomatsu et al 2005].
NM_000512​.5
NP_000503​.1
c.935C>Gp.Thr312SerBritish-Irish variant, mild phenotype [Neufeld & Muenzer 2001]
c.29G>Ap.Trp10TerSevere phenotype [Zanetti et al 2019]
c.178G>Ap.Asp60AsnMilder phenotype [Sawamoto et al 2020]
c.612C>Gp.Asn204LysMilder phenotype [Sawamoto et al 2020]
c.776G>Ap.Arg259GlnMilder phenotype [Sawamoto et al 2020]
c.1519T>Cp.Cys507ArgSevere phenotype [Zanetti et al 2019]
c.1520G>Tp.Cys507PheNo homozygotes described in the literature [Zanetti et al 2019]
c.1156C>Tp.Arg386CysThe most common pathogenic variant, accounting for 8.9% [Peracha et al 2018]

Variants listed in the table have been provided by the authors. GeneReviews staff have not independently verified the classification of variants.

GeneReviews follows the standard naming conventions of the Human Genome Variation Society (varnomen​.hgvs.org). See Quick Reference for an explanation of nomenclature.

From: Mucopolysaccharidosis Type IVA

Cover of GeneReviews®
GeneReviews® [Internet].
Adam MP, Feldman J, Mirzaa GM, et al., editors.
Seattle (WA): University of Washington, Seattle; 1993-2024.
Copyright © 1993-2024, University of Washington, Seattle. GeneReviews is a registered trademark of the University of Washington, Seattle. All rights reserved.

GeneReviews® chapters are owned by the University of Washington. Permission is hereby granted to reproduce, distribute, and translate copies of content materials for noncommercial research purposes only, provided that (i) credit for source (http://www.genereviews.org/) and copyright (© 1993-2024 University of Washington) are included with each copy; (ii) a link to the original material is provided whenever the material is published elsewhere on the Web; and (iii) reproducers, distributors, and/or translators comply with the GeneReviews® Copyright Notice and Usage Disclaimer. No further modifications are allowed. For clarity, excerpts of GeneReviews chapters for use in lab reports and clinic notes are a permitted use.

For more information, see the GeneReviews® Copyright Notice and Usage Disclaimer.

For questions regarding permissions or whether a specified use is allowed, contact: ude.wu@tssamda.

NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.