>4notA (A:) observed residues (from ATOM records)
adtivaveldsypntdigdpnyphigidiksirskstarwnmqtgkvgtvhisynsvakr
lsavvsysgsssttvsydvdlnnvlpewvrvglsattglyketntilswsftsklktnse
nslhfsfhkfsqnpkdlilqgdaftdsdgnlqltkvsssgdpqgnsvgralfyapvhiwe
ksavvasfdatftflikspdrepadgitffiantdtsipsgsggrllglfpdan