18.42
[1]. Dmitri Ivanov, et al. A serpin from the gut bacterium Bifidobacterium longum inhibits eukaryotic elastase-like serine proteases. J Biol Chem. 2006 Jun 2;281(25):17246-17252.
[2]. D Polacek, et al. In vitro proteolysis of human plasma low density lipoproteins by an elastase released from human blood polymorphonuclear cells. J Biol Chem. 186 Feb 15;261(5):2057-6.
H02-H15-H1-H5
P261-P264-P270-P271-P280-P02+P52-P04+P40-P0-P62+P64-P405-P501