Domain organizations showing the presence or absence of CBS. Kumar JamiSravan B. ClarkGreg T. AyeleBelay AshePaula Bharadwaja KirtiPulugurtha 2012 <p>Anx domain structures showing CBS and K/H/RGD motifs. The occurrence of these motifs in different genomes was analyzed from all deduced proteins. Dark circles represent the absence of CBS or K/H/RGD motifs. Domain structures are not drawn to scale.</p>