>1y7uC (C:) observed residues (from ATOM records)
kgktanesrvfktsrvfptdlndhntlfggkilsemdmvasisasrhsrkecvtasmdwv
dflhpvrssdcvsyesfviwtgrtsmevfvkvvseylisgekriaatsfvtfvalskenn
pvpvprvipdteeekeshriavlraeqrhirkaeskkvatlltf