>5h6x_B mol:protein length:100 RNA polymerase sigma factor RpoSEIGFSPLLTAEEEIHYATLALKGDMEARKKMIESNLRLVVKIARRYLNRGLPLLDLIEEGNLGLMKSVEKFDPKRGFRFSTYATWWIRQTIERAIMNQTR