>3u4cA (A:) observed residues (from ATOM records)
skrtafvmgasqgigkaialkladqhfslvinsrnldniesvkedilakhpeasvivlag
dmsdqhtragifqkiesqcgrldvlinnipggapdtfdncniedmtatftqktvayidai
krasslmkqnefgriinivgnlwkepganmftnsmmnaalinasknisiqlaphnitvnc
lnpgfiatdryhqfvenvmkknqkaeeqiasgipmkrvgsaeetaalaaflaseeasyit
gqqisadggsmksi