>1xg5D (D:) observed residues (from ATOM records)
arpgmerwrdrlalvtgasggigaavaralvqqglkvvgcartvgnieelaaecksagyp
gtlipyrcdlsneedilsmfsairsqhsgvdicinnaglarpdtllsgstsgwkdmfnvn
vlalsictreayqsmkernvddghiininsmsghrvlplsvthfysatkyavtalteglr
qelreaqthiratcispgvvetqfafklhdkdpekaaatyeqmkclkpedvaeaviyvls
tpahiqigdiqmrptgs