>1vi4A (A:) observed residues (from ATOM records)
mrditpdlcdkyesqvtllnlplqnfgqrsafwgeivtvrcyhdnskvrdvlsqngkgkv
lvvdghgschkalmgdqlailaikndwegviiygavrdvvamsemdlgikalgtspfkte
krgagqvnvtltmqnqivepgdylyadwngilmsetaldvae