URL: https://www.researchgate.net/publication/236968907/figure/fig1/AS:299323616186371@1448375719414/The-crystal-structure-of-the-LDH-from-B-stearothermophilus-22-The-homotetrameric.png
URL2: https://www.independentndt.co.nz/admin/content/?g=pdb-101-molecule-of-the-month-lactate-dehydrogenase-ll-vEwq48i0
