>5g2g_B mol:protein length:127 STEROID DELTA-ISOMERASENLPTAQEVQGLMARYIELVDVGDIEAIVQMYADDATVEDPFGQPPIHGREQIAAFYRQGLGGGKVRACLTGPVRASHNGCGAMPFRVEMVWNGQPCALDVIDVMRFDEHGRIQTKQAYWSEVNLSVR