>6a6g_D mol:protein length:138 Iron-sulfur cluster assembly scaffold protein NifUGSHMIYSEFIMDYSKLKKFHGKIENAHKVEEGKNLSCGDEVTLYFLFDGDKIVDVKFEGHGCAISQASTNVMIEQIIGKTKQEALEMMKNAENMMLGKEFDENVLGPIINFYDVKNYPMRVKCFLLPWKTLEIALKNE