>1v7yB (B:) observed residues (from ATOM records)
meryeslfaqlkerkegafvpfvtlgdpgieqslkiidtlieagadalelgipfsatlra
faagvtpaqcfemlalirqkhptipigllmyanlvfnkgidefyaqcekvgvdsvlvadv
pveesapfrqaalrhnvapificppnadddllrqiasygrgytyllsraaalplnhlvak
lkeynaapplqgfgisapdqvkaaidagaagaisgsaivkiieqhinepekmlaalkvfv
qpmkaatrs