>3OV4_1|Chains A, B, C, D|Steroid Delta-isomerase|Comamonas testosteroni (285) MNTPEHMTAVVQRYVAALNAGDLDGIVALFADDATVEDGGGGEPRSGTAAIREFYANSLKLPLAVELTQEVRAVANEAAFAFTVSFEYQGRKTVVAPIDHFRFNGAGKVVSMRALFGEKNIHAGA