>tr|Q1D507|Q1D507_MYXXD RNA polymerase sigma factor OS=Myxococcus xanthus GN=carQ MERFRDGAQDAFEDLFARHAPRVQGFLARMVRNGALAEDLLQATFLSVIRSRGRYEPGTR FIPWLMTIAANAARDALRHQRHVDAYASREDTATPASAAPDDSDPSLRRHLLDALQQLHP DHREAVVLSKVEGWSFEEIGALRGISPGAARLRAHRGYEKLRELLGELELEVAR