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Pendrin; Na+-independent chloride/iodide transporter; solute carrier family 26 member 4 (SLC26A4, PDS)
Function:
- Na+ independent transporter of chloride & iodide
Structure:
- belongs to the SLC26A/sulP transporter (TC 2.A.53) family
- contains 1 STAS domain
Compartment: membrane (probable)
Expression:
- high expression in adult thyroid
- lower expression in adult & fetal kidney & fetal brain
- not expressed in other tissues
Pathology:
- defects in SLC26A4 are a cause of:
a) Pendred syndrome
b) non-syndromic autosomal recessive neurosensory deafness 4
Laboratory:
- SLC26A4 gene mutation
Related
autosomal recessive neurosensory deafness 4 (vestibular aqueduct syndrome, DFNB4)
enlarged vestibular aqueduct syndrome (EVA)
Pendred syndrome (goiter-deafness syndrome)
General
solute carrier family 26 (SLC26, SLC26A)
transmembrane 11 protein
Properties
SIZE: entity length = 780 aa
MW = 86 kD
COMPARTMENT: cellular membrane
MOTIF: cytoplasmic domain {1-109}
transmembrane domain {110-130}
exoplasmic loop {131-135}
transmembrane domain {136-156}
cytoplasmic loop {157-191}
transmembrane domain {192-212}
exoplasmic loop {213-263}
transmembrane domain {264-284}
cytoplasmic loop {285-295}
transmembrane domain {296-316}
exoplasmic loop {317-344}
transmembrane domain {345-365}
cytoplasmic loop {366-384}
transmembrane domain {385-405}
exoplasmic loop {406-421}
transmembrane domain {422-442}
cytoplasmic loop {443-448}
transmembrane domain {449-469}
exoplasmic loop {470-486}
transmembrane domain {487-507}
cytoplasmic loop {508-652}
transmembrane domain {653-673}
exoplasmic domain {674-780}
Database Correlations
OMIM correlations
MORBIDMAP 605646
UniProt O43511
PFAM correlations
Kegg hsa:5172
References
- UniProt :accession O43511
- Hereditary hearing loss homepage; Note: gene page
http://webhost.ua.ac.be/hhh/
- GeneReviews
https://www.genecards.org/cgi-bin/carddisp.pl?gene=SLC26A4
- SHMPD; The Singapore human mutation and polymorphism database
http://shmpd.bii.a-star.edu.sg/gene.php?genestart=S&genename=SLC26A4+%40+PDS
- Wikipedia; Pendrin entry
http://en.wikipedia.org/wiki/Pendrin