>1b6bA (A:) observed residues (from ATOM records)
anefrcltpedaagvfeiereafisvsgncplnldevqhfltlcpelslgwfvegrlvaf
iigslwdeerltqeslalhrprghsahlhalavhrsfrqqgkgsvllwrylhhvgaqpav
rravlmcedalvpfyqrfgfhpagpcaivvgsltftemhcslrghaal