URL: https://www.researchgate.net/publication/280974613/figure/fig2/AS:614168835129354@1523440669396/Lactate-dehydrogenase-LDH-homo-and-tetramer-formation-The-LDH-isoenzymes-LDH-1-LDH-2.png
URL2: https://www.researchgate.net/figure/Lactate-dehydrogenase-LDH-homo-and-tetramer-formation-The-LDH-isoenzymes-LDH-1-LDH-2_fig2_280974613