>1w6y_A mol:protein length:131 STEROID DELTA-ISOMERASEMNLPTAQEVQGLMARYIELVDVGDIEAIVQMYADDATVEDPFGQPPIHGREQIAAFYRQGLGGGKVRACLTGPVRASHNGCGAMPFRVEMVANGQPCALDVIDVMRFDEHGRIQTMQAYWSEVNLSVREPQ