Original Articles
Karli Geethanjali, K. Madhuri
Abstract
The composition of alanine, leucine, glutamic acid and arginine was the highest while lowest concentra tions of histidine, threonine and phenylalanine and tryptoph an. Cysteine was not found in any of the Rpo H sigm a factors. There was no much variation in the content in proli ne and histidine of all the sigma factors. The numb er of negative charged residues is more compared to positively cha rged residues. The instability index of all the sig ma factors was also same the highest being that of sigma factor sg f2. It was less than 40 showing that most of them a re stable. Aliphatic index was found to span within a range of 82 to 87.