Genomic organization of the human cathepsin K gene Genomic organization of the human cathepsin K gene. The eight exons are shown as black boxes with the translation initiation ATG and TGA stop codons indicated. The thick black lines indicate the seven introns. The cumulative size of the cathepsin K genomic sequence is shown on the scale. Source: Pycnodysostosis: Cathepsin K Deficiency, The Online Metabolic and Molecular Bases of Inherited Disease Citation: Valle D, Beaudet AL, Vogelstein B, Kinzler KW, Antonarakis SE, Ballabio A, Gibson K, Mitchell G. The Online Metabolic and Molecular Bases of Inherited Disease; 2014 Available at: https://ommbid.mhmedical.com/DownloadImage.aspx?image=/data/books/971/ch137fg7.png&sec=62642417&BookID=971&ChapterSecID=62642348&imagename= Accessed: October 03, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved