>6F4Y_1|Chains A, B|Steroid Delta-isomerase|Pseudomonas putida (303) LPTAQEVQGLMARYIELVDVGDIEAIVQMYADDATVEDPFGQPPIHGREQIAAFYRQGLGGGKVRACLTGPVRASHNGCGAMPFRVEMVWNGQPCALDVISVMRFDEHGRIQTMQAYWSEVNLSV