>5xzuA (A:) observed residues (from ATOM records)
wglnnaaradgklwfgtaadipgleqddryymkeynnthdfggttpanimkfmftepeqn
vfnftgaqefldiafashklvrchnliwqselptwvtnpttnwtnetlskvlqnhvytlv
shfgdqcyswdvvnealsddpagsyqnniwfdtigpeyvamafeyaekavkdhklnvkly
yndynieypgpkstaaqnivkelkarniqidgvgleshfiagetpsqatqitnmadftsl
didvavteldvrlylppnatseaqqvadyyatvaacaatercigitvwdfddtyswvpst
fagqgyadlffqpdgpntplvkkaaydgclqalq