>5AI1_1|Chain A|KETOSTEROID ISOMERASE|PSEUDOMONAS PUTIDA (303) MNLPTAQEVQGLMARYIELVDVGDIEAIVQMFADDATVENPFGQPPIHGREQIAAFFRQGLGGGKVRACLTGPVRASHNGCGAMPFRVEMVWNGQPCALDVIDVMRFDEHGRIQTMQAFWSEVNLSVREPQ