>4nrrA (A:) observed residues (from ATOM records)
sefafvkiasdgkgftrygepylirganywqgmnlgaddcsggdrkrmeleikqmaemgi
nnlrvmassegpddqpyrmrpsmmpqpgkynegvfvgldylldtmdrynmtavmtlgnfw
qwsggfgqyvawitgnqtipypvgdvtydeftqfaarfyndseiapkanklfkdhiytvq
nrrntvngkiykedpvimswqianapqeapaswfeeistfikkgapkhlvsaglesklde
ydfdrahdhknidyttchcwvenwgiydpadpdglphaneymhdflesrskwaaqlnkpi
vmeefgmardawrnpedetykylpstptshkdeyyqkafnqivslasnrsfsgsnfwayg
gegrstyppnpygmvwlgdpphephgwysvysndttvqiikdynanllkvqkelsk