>1ib1F (F:) observed residues (from ATOM records)
sgipgspgrqrrhtlpanefrcltpedaagvfeiereafisvsgncplnldevqhfltlc
pelslgwfvegrlvafiigslwdeerltqeslalhrprghsahlhalavhrsfrqqgkgs
vllwrylhhvgaqpavrravlmcedalvpfyqrfgfhpagpcaivvgsltftemhcslr