Gene clustering: 2001: 62
Some Rules
§DN:  IF (and a) AND  (ec@1 OR oxidoreductase)
§DN:  IF (biosynthesis step)
§DN:  IF (cytoplasmic biosynthesis)
§DN:  IF (the step)
§DN:  IF (to step)
§
§UP:  IF ((intergenic OR region) AND (precursor OR signal))
§UP:  IF (e.coli) AND (intergenic OR (hypothetical region))
§UP:  IF (region the transmembrane)
§UP:  IF (hypothetical region to the)
§UP:  IF (hypothetical membrane)
§UP:  IF (in membrane potential)
§UP:  IF (hypothetical belongs)
§UP:  IF (of transcription)
§UP:  IF (protein of regulation) UP:  IF (protein transcription)
§UP:  IF (hypothetical by) UP:  IF (recombination)
§UP:  IF (dna-binding) UP:  IF (dna for)
§UP:  IF (element) UP:  IF (insertion)