>5kp1_B mol:protein length:135 Steroid Delta-isomeraseMNLPTAQEVQGLMARXIELVDVGDIEAIVQMYADDATVENPFGQPPIHGREQIAAFYRQGLGGGKVRACLTGPVRASHNGCGAMPFRVEMVWNGQPCALDVIDVMRFDEHGRIQTMQAYWSEVNLSVREPQLVPR