CTSO GI:4557501 cathepsin O preproprotein 1 mdvralpwlp wllwllcrgg gdadsrapft ptwprsrere aaafreslnr 50 51 hrylnslfps enstafygin qfsylfpeef kaiylrskps kfprysaevh 100 101 msipnvslpl rfdwrdkqvv tqvrnqqmcg gcwafsvvga vesayaikgk 150 151 pledlsvqqv idcsynnygc nggstlnaln wlnkmqvklv kdseypfkaq 200 201 nglchyfsgs hsgfsikgys aydfsdqede makalltfgp lvvivdavsw 250 251 qdylggiiqh hcssgeanha vlitgfdktg stpywivrns wgsswgvdgy 300 301 ahvkmgsnvc giadsvssif v