>2xzsB (B:) observed residues (from ATOM records)
frqenvddyydtgeelgsgqfavvkkcrekstglqyaakfikkrrgvsredierevsilk
eiqhpnvitlhevyenktdvililelvaggelfdflaekeslteeeateflkqilngvyy
lhslqiahfdlkpenimlldrnvpkprikiidfglahkidfgnefknifgtpefvapeiv
nyeplgleadmwsigvityillsgaspflgdtkqetlanvsavnyefedeyfsntsalak
dfirrllvkdpkkrmtiqdslqhpwikpkdtqqalsrkasavnmekfkkfaar