Hearing Biochemistry

Eric C. Niederhoffer, Ph.D.

Associate Professor, Biochemistry & Molecular Biology

Copyright 2003- , E.C. Niederhoffer. All Rights Reserved.
All trademarks and copyrights are the property of their respective owners.

 

Hearing Genes and Proteins

 Primary defect  Gene  Protein  Type of molecule

 Hair cells
 MYO7A  Myosin VIIA  Motor protein
 MYO15  Myosin XV  Motor protein
 MYO6  Myosin VI  Motor protein
 USH1C  Harmonin  PDZ domain-containing protein
 CDH23  Cadherin-23  Cell adhesion protein
 Espn  Espin  Actin-binding protein
 KCNQ4  KCNQ4  K+ channel subunit
 Atp2b2/Pmca2  Ca2+-ATPase 2  Calcium pump
 OTOF  Otoferlin  Vesicle trafficking protein
 POU4F3  POU4F3  Transcription factor

 Nonsensory cells
 CX26/GJB2  Connexin 26  Gap junction protein
 CX30/GJB6  Connexin 30  Gap junction protein
 CX31/GJB3  Connexin 31  Gap junction protein
 Slc12a2/Nkcc1  NKCC1  Na+K+2Cl- cotransporter
 PDS  Pendrin  Iodide/chloride transporter
 CLDN14  Claudin-14  Tight junction component
 COCH  Cochlin  Extracellular matrix component
 EYA4  EYA4  Transcriptional coactivator
 POU3F4  POU3F4  Transcription factor

 Tectorial membrane
 COL11A2  Collagen XI (alpha2 chain)  Extracellular matrix
 TECTA  alpha-tectorin  Extracellular matrix
 Otog  Otogelin  Extracellular matrix

 Unknown
 TMPRSS3  TMPRSS3  Transmembrane serine protease
 PCDH15  Protocadherin-15  Cell adhesion protein
 HDIA1  Diaphanous-1  Regulator of actin cytoskeleton
 DFNA5    
 MYH9  Myosin IIA  Motor protein
 MTRNR1    Mitochondrial 12SrRNA
 MTTS1    Mitochondrial tRNAser(UCN)

Myosin

 Head  Rod  Tail

 Actin-binding, ATPase

 calmodulin-binding

 variable, binding to other proteins

 

Biochemistry and Molecular Biology Resources


Submit your questions and comments to the following:
eniederhoffer@siumed.edu