>1vzz_A mol:protein length:131 STEROID DELTA-ISOMERASE MNLPTAQEVQGLMARYIELVDVGDIEAIVQMFADDATVEDPFGQPPIHGREQIAAFYRQ GLGGGKVRACLTGPVRASHNGCGAMPFRVEMVWNGQPCALDVILVMRFDEHGRIQTMQA YWSEVNLSVREPQ >1vzz_B mol:protein length:131 STEROID DELTA-ISOMERASE MNLPTAQEVQGLMARYIELVDVGDIEAIVQMFADDATVEDPFGQPPIHGREQIAAFYRQ GLGGGKVRACLTGPVRASHNGCGAMPFRVEMVWNGQPCALDVILVMRFDEHGRIQTMQA YWSEVNLSVREPQ >1vzz_B mol:protein length:131 STEROID DELTA-ISOMERASE MNLPTAQEVQGLMARYIELVDVGDIEAIVQMFADDATVEDPFGQPPIHGREQIAAFYRQ GLGGGKVRACLTGPVRASHNGCGAMPFRVEMVWNGQPCALDVILVMRFDEHGRIQTMQA YWSEVNLSVREPQ