>1vk9A (A:) observed residues (from ATOM records)
gsdkihhhhhhveknllrsalkifekkdlsllaysgrsifeskdsglkpvvelfkrfdnl
egslvidkmvgkaaasfllkmkpdhihakviskpalklmneygqsfsydekipfvlgkdg
ksmcpfeklvlemddpeeiirivlskf