>1q52D (D:) observed residues (from ATOM records)
npfdakawrlvdgfddltdityhrhvddatvrvafnrpevrnafrphtvdelyrvldhar
mspdvgvvlltgngpspkdggwafcsggdhilevqrlirfmpkvviclvngwaaggghsl
hvvcdltlasreyarfkqtdadvgsfdggygsaylarqvgqkfareifflgrtytaeqmh
qmgavnavaehaeletvglqwaaeinakspqaqrmlkfafnllddglvgqqlfageatrl
aymtdeavegrdaflqkrppdwspfpryf