ID SIGMA54_2; PATTERN. AC PS00718; DT 01-DEC-1992 CREATED; 01-JUL-1999 DATA UPDATE; 29-MAY-2024 INFO UPDATE. DE Sigma-54 factors family signature 2. PA R-R-T-[IV]-[ATN]-K-Y-R. CC /VERSION=1; DO PDOC00593; //