>6f4y_A mol:protein length:125 Steroid Delta-isomeraseLPTAQEVQGLMARYIELVDVGDIEAIVQMYADDATVEDPFGQPPIHGREQIAAFYRQGLGGGKVRACLTGPVRASHNGCGAMPFRVEMVWNGQPCALDVISVMRFDEHGRIQTMQAYWSEVNLSV