>3t8n_D mol:protein length:131 Steroid Delta-isomeraseMNLPTAQEVQGLMARAIELVDVGDIEAIVQMYADDATVEDPFGQPPIHGREQIAAFYRQGLGGGKVRACLTGPVRASHNGCGAMPFRVEMVWNGQPCALDVIAVMRFDEHGRIQTMQAYWSEVNLSVREPQ